[llvm] 471facf - [X86] Add absolute-difference vector tests

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Sat Jan 14 13:34:12 PST 2023


Author: Simon Pilgrim
Date: 2023-01-14T21:33:58Z
New Revision: 471facf5468a33d1ddc995b3a0cbe077aa6152dc

URL: https://github.com/llvm/llvm-project/commit/471facf5468a33d1ddc995b3a0cbe077aa6152dc
DIFF: https://github.com/llvm/llvm-project/commit/471facf5468a33d1ddc995b3a0cbe077aa6152dc.diff

LOG: [X86] Add absolute-difference vector tests

X86 doesn't have absdiff instructions, but we should be able to canonicalize to avoid unnecessary scalarization/extensions/selects

Added: 
    llvm/test/CodeGen/X86/abds-vector-128.ll
    llvm/test/CodeGen/X86/abds-vector-256.ll
    llvm/test/CodeGen/X86/abds-vector-512.ll
    llvm/test/CodeGen/X86/abdu-vector-128.ll
    llvm/test/CodeGen/X86/abdu-vector-256.ll
    llvm/test/CodeGen/X86/abdu-vector-512.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/abds-vector-128.ll b/llvm/test/CodeGen/X86/abds-vector-128.ll
new file mode 100644
index 000000000000..41384b1489ce
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abds-vector-128.ll
@@ -0,0 +1,1893 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux                  | FileCheck %s --check-prefixes=SSE,SSE2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse4.2   | FileCheck %s --check-prefixes=SSE,SSE42
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx      | FileCheck %s --check-prefixes=AVX,AVX1
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx2     | FileCheck %s --check-prefixes=AVX,AVX2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512vl | FileCheck %s --check-prefixes=AVX,AVX512
+
+;
+; trunc(abs(sub(sext(a),sext(b)))) -> abds(a,b)
+;
+
+define <16 x i8> @abd_ext_v16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_ext_v16i8:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm4 = xmm4[0],xmm0[0],xmm4[1],xmm0[1],xmm4[2],xmm0[2],xmm4[3],xmm0[3],xmm4[4],xmm0[4],xmm4[5],xmm0[5],xmm4[6],xmm0[6],xmm4[7],xmm0[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm4[0],xmm3[1],xmm4[1],xmm3[2],xmm4[2],xmm3[3],xmm4[3]
+; SSE2-NEXT:    psrad $24, %xmm3
+; SSE2-NEXT:    pxor %xmm9, %xmm9
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    pcmpgtd %xmm3, %xmm5
+; SSE2-NEXT:    movdqa %xmm3, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm5[2],xmm3[3],xmm5[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm5 = xmm5[4],xmm4[4],xmm5[5],xmm4[5],xmm5[6],xmm4[6],xmm5[7],xmm4[7]
+; SSE2-NEXT:    psrad $24, %xmm5
+; SSE2-NEXT:    pxor %xmm6, %xmm6
+; SSE2-NEXT:    pcmpgtd %xmm5, %xmm6
+; SSE2-NEXT:    movdqa %xmm5, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm6[0],xmm4[1],xmm6[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm5 = xmm5[2],xmm6[2],xmm5[3],xmm6[3]
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm7 = xmm7[8],xmm2[8],xmm7[9],xmm2[9],xmm7[10],xmm2[10],xmm7[11],xmm2[11],xmm7[12],xmm2[12],xmm7[13],xmm2[13],xmm7[14],xmm2[14],xmm7[15],xmm2[15]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm6 = xmm6[0],xmm7[0],xmm6[1],xmm7[1],xmm6[2],xmm7[2],xmm6[3],xmm7[3]
+; SSE2-NEXT:    psrad $24, %xmm6
+; SSE2-NEXT:    pxor %xmm8, %xmm8
+; SSE2-NEXT:    pcmpgtd %xmm6, %xmm8
+; SSE2-NEXT:    movdqa %xmm6, %xmm2
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm8[0],xmm2[1],xmm8[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm8[2],xmm6[3],xmm8[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm8 = xmm8[4],xmm7[4],xmm8[5],xmm7[5],xmm8[6],xmm7[6],xmm8[7],xmm7[7]
+; SSE2-NEXT:    psrad $24, %xmm8
+; SSE2-NEXT:    pxor %xmm10, %xmm10
+; SSE2-NEXT:    pcmpgtd %xmm8, %xmm10
+; SSE2-NEXT:    movdqa %xmm8, %xmm7
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm7 = xmm7[0],xmm10[0],xmm7[1],xmm10[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm8 = xmm8[2],xmm10[2],xmm8[3],xmm10[3]
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm10 = xmm10[0],xmm1[0],xmm10[1],xmm1[1],xmm10[2],xmm1[2],xmm10[3],xmm1[3],xmm10[4],xmm1[4],xmm10[5],xmm1[5],xmm10[6],xmm1[6],xmm10[7],xmm1[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm11 = xmm11[0],xmm10[0],xmm11[1],xmm10[1],xmm11[2],xmm10[2],xmm11[3],xmm10[3]
+; SSE2-NEXT:    psrad $24, %xmm11
+; SSE2-NEXT:    pxor %xmm12, %xmm12
+; SSE2-NEXT:    pcmpgtd %xmm11, %xmm12
+; SSE2-NEXT:    movdqa %xmm11, %xmm13
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm13 = xmm13[0],xmm12[0],xmm13[1],xmm12[1]
+; SSE2-NEXT:    psubq %xmm13, %xmm0
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm11 = xmm11[2],xmm12[2],xmm11[3],xmm12[3]
+; SSE2-NEXT:    psubq %xmm11, %xmm3
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $24, %xmm10
+; SSE2-NEXT:    pxor %xmm11, %xmm11
+; SSE2-NEXT:    pcmpgtd %xmm10, %xmm11
+; SSE2-NEXT:    movdqa %xmm10, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm11[0],xmm12[1],xmm11[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm11[2],xmm10[3],xmm11[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm5
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm10 = xmm10[0],xmm1[0],xmm10[1],xmm1[1],xmm10[2],xmm1[2],xmm10[3],xmm1[3]
+; SSE2-NEXT:    psrad $24, %xmm10
+; SSE2-NEXT:    pxor %xmm11, %xmm11
+; SSE2-NEXT:    pcmpgtd %xmm10, %xmm11
+; SSE2-NEXT:    movdqa %xmm10, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm11[0],xmm12[1],xmm11[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm2
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm11[2],xmm10[3],xmm11[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm6
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $24, %xmm1
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm9
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm10, %xmm7
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm9[2],xmm1[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm5, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm5
+; SSE2-NEXT:    psubq %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm6, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm6
+; SSE2-NEXT:    psubq %xmm1, %xmm6
+; SSE2-NEXT:    movdqa %xmm7, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm7
+; SSE2-NEXT:    psubq %xmm1, %xmm7
+; SSE2-NEXT:    movdqa %xmm8, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm8
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE2-NEXT:    pand %xmm1, %xmm8
+; SSE2-NEXT:    pand %xmm1, %xmm7
+; SSE2-NEXT:    packuswb %xmm8, %xmm7
+; SSE2-NEXT:    pand %xmm1, %xmm6
+; SSE2-NEXT:    pand %xmm1, %xmm2
+; SSE2-NEXT:    packuswb %xmm6, %xmm2
+; SSE2-NEXT:    packuswb %xmm7, %xmm2
+; SSE2-NEXT:    pand %xmm1, %xmm5
+; SSE2-NEXT:    pand %xmm1, %xmm4
+; SSE2-NEXT:    packuswb %xmm5, %xmm4
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm1, %xmm0
+; SSE2-NEXT:    packuswb %xmm3, %xmm0
+; SSE2-NEXT:    packuswb %xmm4, %xmm0
+; SSE2-NEXT:    packuswb %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v16i8:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    psrld $16, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm2, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovsxbq %xmm3, %xmm3
+; SSE42-NEXT:    movdqa %xmm0, %xmm4
+; SSE42-NEXT:    psrlq $48, %xmm4
+; SSE42-NEXT:    pmovsxbq %xmm4, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxbq %xmm4, %xmm4
+; SSE42-NEXT:    movdqa %xmm0, %xmm6
+; SSE42-NEXT:    psrldq {{.*#+}} xmm6 = xmm6[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm6, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovsxbq %xmm7, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm8
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrld $16, %xmm0
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrlq $48, %xmm0
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm8
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm2, %xmm10
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm2
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm9, %xmm10
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm9
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm3, %xmm10
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm3
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm5, %xmm10
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm5
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm4, %xmm10
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm4
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm6, %xmm10
+; SSE42-NEXT:    movdqa %xmm6, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm6
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm7, %xmm10
+; SSE42-NEXT:    movdqa %xmm7, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm7
+; SSE42-NEXT:    psubq %xmm8, %xmm1
+; SSE42-NEXT:    movdqa %xmm8, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm8
+; SSE42-NEXT:    movapd {{.*#+}} xmm0 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE42-NEXT:    andpd %xmm0, %xmm8
+; SSE42-NEXT:    andpd %xmm0, %xmm7
+; SSE42-NEXT:    packusdw %xmm8, %xmm7
+; SSE42-NEXT:    andpd %xmm0, %xmm6
+; SSE42-NEXT:    andpd %xmm0, %xmm4
+; SSE42-NEXT:    packusdw %xmm6, %xmm4
+; SSE42-NEXT:    packusdw %xmm7, %xmm4
+; SSE42-NEXT:    andpd %xmm0, %xmm5
+; SSE42-NEXT:    andpd %xmm0, %xmm3
+; SSE42-NEXT:    packusdw %xmm5, %xmm3
+; SSE42-NEXT:    andpd %xmm0, %xmm9
+; SSE42-NEXT:    andpd %xmm0, %xmm2
+; SSE42-NEXT:    packusdw %xmm2, %xmm9
+; SSE42-NEXT:    packusdw %xmm3, %xmm9
+; SSE42-NEXT:    packuswb %xmm4, %xmm9
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v16i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm2, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm3[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm3[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm6[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm6, %xmm6
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm8
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm9, %xmm10
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm11, %xmm11
+; AVX1-NEXT:    vpsubq %xmm11, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm11, %xmm11
+; AVX1-NEXT:    vpsubq %xmm11, %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm10, %xmm10
+; AVX1-NEXT:    vpsubq %xmm10, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxbq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm10, %xmm10
+; AVX1-NEXT:    vpsubq %xmm10, %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm9[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm7, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm5
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm4, %ymm11, %ymm4
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm2, %ymm10, %ymm2
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm3, %ymm9, %ymm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm5
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm6, %ymm6
+; AVX2-NEXT:    vpsubq %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm5, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm0, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm4, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i8> %a to <16 x i64>
+  %bext = sext <16 x i8> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i8>
+  ret <16 x i8> %trunc
+}
+
+define <16 x i8> @abd_ext_v16i8_undef(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_ext_v16i8_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm4 = xmm4[0],xmm0[0],xmm4[1],xmm0[1],xmm4[2],xmm0[2],xmm4[3],xmm0[3],xmm4[4],xmm0[4],xmm4[5],xmm0[5],xmm4[6],xmm0[6],xmm4[7],xmm0[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm4[0],xmm3[1],xmm4[1],xmm3[2],xmm4[2],xmm3[3],xmm4[3]
+; SSE2-NEXT:    psrad $24, %xmm3
+; SSE2-NEXT:    pxor %xmm9, %xmm9
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    pcmpgtd %xmm3, %xmm5
+; SSE2-NEXT:    movdqa %xmm3, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm5[2],xmm3[3],xmm5[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm5 = xmm5[4],xmm4[4],xmm5[5],xmm4[5],xmm5[6],xmm4[6],xmm5[7],xmm4[7]
+; SSE2-NEXT:    psrad $24, %xmm5
+; SSE2-NEXT:    pxor %xmm6, %xmm6
+; SSE2-NEXT:    pcmpgtd %xmm5, %xmm6
+; SSE2-NEXT:    movdqa %xmm5, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm6[0],xmm4[1],xmm6[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm5 = xmm5[2],xmm6[2],xmm5[3],xmm6[3]
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm7 = xmm7[8],xmm2[8],xmm7[9],xmm2[9],xmm7[10],xmm2[10],xmm7[11],xmm2[11],xmm7[12],xmm2[12],xmm7[13],xmm2[13],xmm7[14],xmm2[14],xmm7[15],xmm2[15]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm6 = xmm6[0],xmm7[0],xmm6[1],xmm7[1],xmm6[2],xmm7[2],xmm6[3],xmm7[3]
+; SSE2-NEXT:    psrad $24, %xmm6
+; SSE2-NEXT:    pxor %xmm8, %xmm8
+; SSE2-NEXT:    pcmpgtd %xmm6, %xmm8
+; SSE2-NEXT:    movdqa %xmm6, %xmm2
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm8[0],xmm2[1],xmm8[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm8[2],xmm6[3],xmm8[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm8 = xmm8[4],xmm7[4],xmm8[5],xmm7[5],xmm8[6],xmm7[6],xmm8[7],xmm7[7]
+; SSE2-NEXT:    psrad $24, %xmm8
+; SSE2-NEXT:    pxor %xmm10, %xmm10
+; SSE2-NEXT:    pcmpgtd %xmm8, %xmm10
+; SSE2-NEXT:    movdqa %xmm8, %xmm7
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm7 = xmm7[0],xmm10[0],xmm7[1],xmm10[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm8 = xmm8[2],xmm10[2],xmm8[3],xmm10[3]
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm10 = xmm10[0],xmm1[0],xmm10[1],xmm1[1],xmm10[2],xmm1[2],xmm10[3],xmm1[3],xmm10[4],xmm1[4],xmm10[5],xmm1[5],xmm10[6],xmm1[6],xmm10[7],xmm1[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm11 = xmm11[0],xmm10[0],xmm11[1],xmm10[1],xmm11[2],xmm10[2],xmm11[3],xmm10[3]
+; SSE2-NEXT:    psrad $24, %xmm11
+; SSE2-NEXT:    pxor %xmm12, %xmm12
+; SSE2-NEXT:    pcmpgtd %xmm11, %xmm12
+; SSE2-NEXT:    movdqa %xmm11, %xmm13
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm13 = xmm13[0],xmm12[0],xmm13[1],xmm12[1]
+; SSE2-NEXT:    psubq %xmm13, %xmm0
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm11 = xmm11[2],xmm12[2],xmm11[3],xmm12[3]
+; SSE2-NEXT:    psubq %xmm11, %xmm3
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $24, %xmm10
+; SSE2-NEXT:    pxor %xmm11, %xmm11
+; SSE2-NEXT:    pcmpgtd %xmm10, %xmm11
+; SSE2-NEXT:    movdqa %xmm10, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm11[0],xmm12[1],xmm11[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm11[2],xmm10[3],xmm11[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm5
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm10 = xmm10[0],xmm1[0],xmm10[1],xmm1[1],xmm10[2],xmm1[2],xmm10[3],xmm1[3]
+; SSE2-NEXT:    psrad $24, %xmm10
+; SSE2-NEXT:    pxor %xmm11, %xmm11
+; SSE2-NEXT:    pcmpgtd %xmm10, %xmm11
+; SSE2-NEXT:    movdqa %xmm10, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm11[0],xmm12[1],xmm11[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm2
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm11[2],xmm10[3],xmm11[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm6
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $24, %xmm1
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm9
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm10, %xmm7
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm9[2],xmm1[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm5, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm5
+; SSE2-NEXT:    psubq %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm6, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm6
+; SSE2-NEXT:    psubq %xmm1, %xmm6
+; SSE2-NEXT:    movdqa %xmm7, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm7
+; SSE2-NEXT:    psubq %xmm1, %xmm7
+; SSE2-NEXT:    movdqa %xmm8, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm8
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE2-NEXT:    pand %xmm1, %xmm8
+; SSE2-NEXT:    pand %xmm1, %xmm7
+; SSE2-NEXT:    packuswb %xmm8, %xmm7
+; SSE2-NEXT:    pand %xmm1, %xmm6
+; SSE2-NEXT:    pand %xmm1, %xmm2
+; SSE2-NEXT:    packuswb %xmm6, %xmm2
+; SSE2-NEXT:    packuswb %xmm7, %xmm2
+; SSE2-NEXT:    pand %xmm1, %xmm5
+; SSE2-NEXT:    pand %xmm1, %xmm4
+; SSE2-NEXT:    packuswb %xmm5, %xmm4
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm1, %xmm0
+; SSE2-NEXT:    packuswb %xmm3, %xmm0
+; SSE2-NEXT:    packuswb %xmm4, %xmm0
+; SSE2-NEXT:    packuswb %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v16i8_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    psrld $16, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm2, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovsxbq %xmm3, %xmm3
+; SSE42-NEXT:    movdqa %xmm0, %xmm4
+; SSE42-NEXT:    psrlq $48, %xmm4
+; SSE42-NEXT:    pmovsxbq %xmm4, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxbq %xmm4, %xmm4
+; SSE42-NEXT:    movdqa %xmm0, %xmm6
+; SSE42-NEXT:    psrldq {{.*#+}} xmm6 = xmm6[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm6, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovsxbq %xmm7, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm8
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrld $16, %xmm0
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovsxbq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrlq $48, %xmm0
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovsxbq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm8
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm2, %xmm10
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm2
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm9, %xmm10
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm9
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm3, %xmm10
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm3
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm5, %xmm10
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm5
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm4, %xmm10
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm4
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm6, %xmm10
+; SSE42-NEXT:    movdqa %xmm6, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm6
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm7, %xmm10
+; SSE42-NEXT:    movdqa %xmm7, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm7
+; SSE42-NEXT:    psubq %xmm8, %xmm1
+; SSE42-NEXT:    movdqa %xmm8, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm8
+; SSE42-NEXT:    movapd {{.*#+}} xmm0 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE42-NEXT:    andpd %xmm0, %xmm8
+; SSE42-NEXT:    andpd %xmm0, %xmm7
+; SSE42-NEXT:    packusdw %xmm8, %xmm7
+; SSE42-NEXT:    andpd %xmm0, %xmm6
+; SSE42-NEXT:    andpd %xmm0, %xmm4
+; SSE42-NEXT:    packusdw %xmm6, %xmm4
+; SSE42-NEXT:    packusdw %xmm7, %xmm4
+; SSE42-NEXT:    andpd %xmm0, %xmm5
+; SSE42-NEXT:    andpd %xmm0, %xmm3
+; SSE42-NEXT:    packusdw %xmm5, %xmm3
+; SSE42-NEXT:    andpd %xmm0, %xmm9
+; SSE42-NEXT:    andpd %xmm0, %xmm2
+; SSE42-NEXT:    packusdw %xmm2, %xmm9
+; SSE42-NEXT:    packusdw %xmm3, %xmm9
+; SSE42-NEXT:    packuswb %xmm4, %xmm9
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v16i8_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm2, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm3[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm3[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm6[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm6, %xmm6
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm8
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm9, %xmm10
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm11, %xmm11
+; AVX1-NEXT:    vpsubq %xmm11, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm11, %xmm11
+; AVX1-NEXT:    vpsubq %xmm11, %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm10, %xmm10
+; AVX1-NEXT:    vpsubq %xmm10, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxbq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm10, %xmm10
+; AVX1-NEXT:    vpsubq %xmm10, %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm9[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm7, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm5
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm4, %ymm11, %ymm4
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm2, %ymm10, %ymm2
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm3, %ymm9, %ymm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i8_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm5
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm6, %ymm6
+; AVX2-NEXT:    vpsubq %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm5, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm0, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm4, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i8> %a to <16 x i64>
+  %bext = sext <16 x i8> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i8>
+  ret <16 x i8> %trunc
+}
+
+define <8 x i16> @abd_ext_v8i16(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_ext_v8i16:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSE2-NEXT:    psrad $16, %xmm2
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm4
+; SSE2-NEXT:    movdqa %xmm2, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm3 = xmm3[0],xmm4[0],xmm3[1],xmm4[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm4[2],xmm2[3],xmm4[3]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    pxor %xmm6, %xmm6
+; SSE2-NEXT:    pcmpgtd %xmm0, %xmm6
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm6[0],xmm4[1],xmm6[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm6[2],xmm0[3],xmm6[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm6 = xmm6[4],xmm1[4],xmm6[5],xmm1[5],xmm6[6],xmm1[6],xmm6[7],xmm1[7]
+; SSE2-NEXT:    psrad $16, %xmm6
+; SSE2-NEXT:    pxor %xmm7, %xmm7
+; SSE2-NEXT:    pcmpgtd %xmm6, %xmm7
+; SSE2-NEXT:    movdqa %xmm6, %xmm8
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm8 = xmm8[0],xmm7[0],xmm8[1],xmm7[1]
+; SSE2-NEXT:    psubq %xmm8, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm7[2],xmm6[3],xmm7[3]
+; SSE2-NEXT:    psubq %xmm6, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm5[0],xmm6[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm6, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm4[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm3[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v8i16:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovsxwq %xmm2, %xmm2
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxwq %xmm3, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm4
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovsxwq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm2, %xmm6
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm2
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm5, %xmm6
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm5
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm3, %xmm6
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm3
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm4, %xmm6
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm4
+; SSE42-NEXT:    pblendw {{.*#+}} xmm4 = xmm4[0],xmm1[1,2,3],xmm4[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm3 = xmm3[0],xmm1[1,2,3],xmm3[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm4, %xmm3
+; SSE42-NEXT:    pblendw {{.*#+}} xmm5 = xmm5[0],xmm1[1,2,3],xmm5[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm2 = xmm2[0],xmm1[1,2,3],xmm2[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm2, %xmm5
+; SSE42-NEXT:    packusdw %xmm3, %xmm5
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v8i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i16> %a to <8 x i64>
+  %bext = sext <8 x i16> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 false)
+  %trunc = trunc <8 x i64> %abs to <8 x i16>
+  ret <8 x i16> %trunc
+}
+
+define <8 x i16> @abd_ext_v8i16_undef(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_ext_v8i16_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSE2-NEXT:    psrad $16, %xmm2
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm4
+; SSE2-NEXT:    movdqa %xmm2, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm3 = xmm3[0],xmm4[0],xmm3[1],xmm4[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm4[2],xmm2[3],xmm4[3]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    pxor %xmm6, %xmm6
+; SSE2-NEXT:    pcmpgtd %xmm0, %xmm6
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm6[0],xmm4[1],xmm6[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm6[2],xmm0[3],xmm6[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm6 = xmm6[4],xmm1[4],xmm6[5],xmm1[5],xmm6[6],xmm1[6],xmm6[7],xmm1[7]
+; SSE2-NEXT:    psrad $16, %xmm6
+; SSE2-NEXT:    pxor %xmm7, %xmm7
+; SSE2-NEXT:    pcmpgtd %xmm6, %xmm7
+; SSE2-NEXT:    movdqa %xmm6, %xmm8
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm8 = xmm8[0],xmm7[0],xmm8[1],xmm7[1]
+; SSE2-NEXT:    psubq %xmm8, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm7[2],xmm6[3],xmm7[3]
+; SSE2-NEXT:    psubq %xmm6, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm5[0],xmm6[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm6, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm4[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm3[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v8i16_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovsxwq %xmm2, %xmm2
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxwq %xmm3, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm4
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovsxwq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm2, %xmm6
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm2
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm5, %xmm6
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm5
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm3, %xmm6
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm3
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm4, %xmm6
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm4
+; SSE42-NEXT:    pblendw {{.*#+}} xmm4 = xmm4[0],xmm1[1,2,3],xmm4[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm3 = xmm3[0],xmm1[1,2,3],xmm3[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm4, %xmm3
+; SSE42-NEXT:    pblendw {{.*#+}} xmm5 = xmm5[0],xmm1[1,2,3],xmm5[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm2 = xmm2[0],xmm1[1,2,3],xmm2[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm2, %xmm5
+; SSE42-NEXT:    packusdw %xmm3, %xmm5
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v8i16_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i16_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i16> %a to <8 x i64>
+  %bext = sext <8 x i16> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 true)
+  %trunc = trunc <8 x i64> %abs to <8 x i16>
+  ret <8 x i16> %trunc
+}
+
+define <4 x i32> @abd_ext_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_ext_v4i32:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm3, %xmm3
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm0, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[1],xmm4[1]
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm4[0],xmm2[1],xmm4[1]
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm4[0],xmm1[1],xmm4[1]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pcmpgtd %xmm5, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm5 = xmm5[0],xmm3[0],xmm5[1],xmm3[1]
+; SSE2-NEXT:    psubq %xmm5, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v4i32:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm2
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm3
+; SSE42-NEXT:    pmovsxdq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm4, %xmm4
+; SSE42-NEXT:    psubq %xmm2, %xmm4
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm4, %xmm2
+; SSE42-NEXT:    psubq %xmm3, %xmm1
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm3
+; SSE42-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,2],xmm3[0,2]
+; SSE42-NEXT:    movaps %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v4i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm3
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm1
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqd %ymm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <4 x i32> %a to <4 x i64>
+  %bext = sext <4 x i32> %b to <4 x i64>
+  %sub = sub <4 x i64> %aext, %bext
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 false)
+  %trunc = trunc <4 x i64> %abs to <4 x i32>
+  ret <4 x i32> %trunc
+}
+
+define <4 x i32> @abd_ext_v4i32_undef(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_ext_v4i32_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm3, %xmm3
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm0, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[1],xmm4[1]
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm4[0],xmm2[1],xmm4[1]
+; SSE2-NEXT:    pxor %xmm4, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm4[0],xmm1[1],xmm4[1]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pcmpgtd %xmm5, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm5 = xmm5[0],xmm3[0],xmm5[1],xmm3[1]
+; SSE2-NEXT:    psubq %xmm5, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v4i32_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm2
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm3
+; SSE42-NEXT:    pmovsxdq %xmm1, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovsxdq %xmm0, %xmm0
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm4, %xmm4
+; SSE42-NEXT:    psubq %xmm2, %xmm4
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm4, %xmm2
+; SSE42-NEXT:    psubq %xmm3, %xmm1
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm3
+; SSE42-NEXT:    shufps {{.*#+}} xmm2 = xmm2[0,2],xmm3[0,2]
+; SSE42-NEXT:    movaps %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v4i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm3
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm1
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqd %ymm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = sext <4 x i32> %a to <4 x i64>
+  %bext = sext <4 x i32> %b to <4 x i64>
+  %sub = sub <4 x i64> %aext, %bext
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 true)
+  %trunc = trunc <4 x i64> %abs to <4 x i32>
+  ret <4 x i32> %trunc
+}
+
+define <2 x i64> @abd_ext_v2i64(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_ext_v2i64:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    movq %xmm2, %rax
+; SSE2-NEXT:    movq %rax, %rcx
+; SSE2-NEXT:    sarq $63, %rcx
+; SSE2-NEXT:    movq %xmm0, %rdx
+; SSE2-NEXT:    movq %rdx, %rsi
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE2-NEXT:    movq %xmm0, %rdi
+; SSE2-NEXT:    movq %rdi, %r8
+; SSE2-NEXT:    sarq $63, %r8
+; SSE2-NEXT:    movq %xmm1, %r9
+; SSE2-NEXT:    movq %r9, %r10
+; SSE2-NEXT:    sarq $63, %r10
+; SSE2-NEXT:    subq %r9, %rdx
+; SSE2-NEXT:    sbbq %r10, %rsi
+; SSE2-NEXT:    subq %rdi, %rax
+; SSE2-NEXT:    sbbq %r8, %rcx
+; SSE2-NEXT:    sarq $63, %rcx
+; SSE2-NEXT:    xorq %rcx, %rax
+; SSE2-NEXT:    subq %rcx, %rax
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    xorq %rsi, %rdx
+; SSE2-NEXT:    subq %rsi, %rdx
+; SSE2-NEXT:    movq %rdx, %xmm0
+; SSE2-NEXT:    movq %rax, %xmm1
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v2i64:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movq %xmm0, %rax
+; SSE42-NEXT:    movq %rax, %rcx
+; SSE42-NEXT:    sarq $63, %rcx
+; SSE42-NEXT:    pextrq $1, %xmm0, %rdx
+; SSE42-NEXT:    movq %rdx, %rsi
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    movq %xmm1, %rdi
+; SSE42-NEXT:    movq %rdi, %r8
+; SSE42-NEXT:    sarq $63, %r8
+; SSE42-NEXT:    pextrq $1, %xmm1, %r9
+; SSE42-NEXT:    movq %r9, %r10
+; SSE42-NEXT:    sarq $63, %r10
+; SSE42-NEXT:    subq %r9, %rdx
+; SSE42-NEXT:    sbbq %r10, %rsi
+; SSE42-NEXT:    subq %rdi, %rax
+; SSE42-NEXT:    sbbq %r8, %rcx
+; SSE42-NEXT:    sarq $63, %rcx
+; SSE42-NEXT:    xorq %rcx, %rax
+; SSE42-NEXT:    subq %rcx, %rax
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    xorq %rsi, %rdx
+; SSE42-NEXT:    subq %rsi, %rdx
+; SSE42-NEXT:    movq %rdx, %xmm1
+; SSE42-NEXT:    movq %rax, %xmm0
+; SSE42-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_ext_v2i64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovq %xmm0, %rax
+; AVX-NEXT:    movq %rax, %rcx
+; AVX-NEXT:    sarq $63, %rcx
+; AVX-NEXT:    vpextrq $1, %xmm0, %rdx
+; AVX-NEXT:    movq %rdx, %rsi
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    vmovq %xmm1, %rdi
+; AVX-NEXT:    movq %rdi, %r8
+; AVX-NEXT:    sarq $63, %r8
+; AVX-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX-NEXT:    movq %r9, %r10
+; AVX-NEXT:    sarq $63, %r10
+; AVX-NEXT:    subq %r9, %rdx
+; AVX-NEXT:    sbbq %r10, %rsi
+; AVX-NEXT:    subq %rdi, %rax
+; AVX-NEXT:    sbbq %r8, %rcx
+; AVX-NEXT:    sarq $63, %rcx
+; AVX-NEXT:    xorq %rcx, %rax
+; AVX-NEXT:    subq %rcx, %rax
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    xorq %rsi, %rdx
+; AVX-NEXT:    subq %rsi, %rdx
+; AVX-NEXT:    vmovq %rdx, %xmm0
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX-NEXT:    retq
+  %aext = sext <2 x i64> %a to <2 x i128>
+  %bext = sext <2 x i64> %b to <2 x i128>
+  %sub = sub <2 x i128> %aext, %bext
+  %abs = call <2 x i128> @llvm.abs.v2i128(<2 x i128> %sub, i1 false)
+  %trunc = trunc <2 x i128> %abs to <2 x i64>
+  ret <2 x i64> %trunc
+}
+
+define <2 x i64> @abd_ext_v2i64_undef(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_ext_v2i64_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    movq %xmm2, %rax
+; SSE2-NEXT:    movq %rax, %rcx
+; SSE2-NEXT:    sarq $63, %rcx
+; SSE2-NEXT:    movq %xmm0, %rdx
+; SSE2-NEXT:    movq %rdx, %rsi
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE2-NEXT:    movq %xmm0, %rdi
+; SSE2-NEXT:    movq %rdi, %r8
+; SSE2-NEXT:    sarq $63, %r8
+; SSE2-NEXT:    movq %xmm1, %r9
+; SSE2-NEXT:    movq %r9, %r10
+; SSE2-NEXT:    sarq $63, %r10
+; SSE2-NEXT:    subq %r9, %rdx
+; SSE2-NEXT:    sbbq %r10, %rsi
+; SSE2-NEXT:    subq %rdi, %rax
+; SSE2-NEXT:    sbbq %r8, %rcx
+; SSE2-NEXT:    sarq $63, %rcx
+; SSE2-NEXT:    xorq %rcx, %rax
+; SSE2-NEXT:    subq %rcx, %rax
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    xorq %rsi, %rdx
+; SSE2-NEXT:    subq %rsi, %rdx
+; SSE2-NEXT:    movq %rdx, %xmm0
+; SSE2-NEXT:    movq %rax, %xmm1
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v2i64_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movq %xmm0, %rax
+; SSE42-NEXT:    movq %rax, %rcx
+; SSE42-NEXT:    sarq $63, %rcx
+; SSE42-NEXT:    pextrq $1, %xmm0, %rdx
+; SSE42-NEXT:    movq %rdx, %rsi
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    movq %xmm1, %rdi
+; SSE42-NEXT:    movq %rdi, %r8
+; SSE42-NEXT:    sarq $63, %r8
+; SSE42-NEXT:    pextrq $1, %xmm1, %r9
+; SSE42-NEXT:    movq %r9, %r10
+; SSE42-NEXT:    sarq $63, %r10
+; SSE42-NEXT:    subq %r9, %rdx
+; SSE42-NEXT:    sbbq %r10, %rsi
+; SSE42-NEXT:    subq %rdi, %rax
+; SSE42-NEXT:    sbbq %r8, %rcx
+; SSE42-NEXT:    sarq $63, %rcx
+; SSE42-NEXT:    xorq %rcx, %rax
+; SSE42-NEXT:    subq %rcx, %rax
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    xorq %rsi, %rdx
+; SSE42-NEXT:    subq %rsi, %rdx
+; SSE42-NEXT:    movq %rdx, %xmm1
+; SSE42-NEXT:    movq %rax, %xmm0
+; SSE42-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_ext_v2i64_undef:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovq %xmm0, %rax
+; AVX-NEXT:    movq %rax, %rcx
+; AVX-NEXT:    sarq $63, %rcx
+; AVX-NEXT:    vpextrq $1, %xmm0, %rdx
+; AVX-NEXT:    movq %rdx, %rsi
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    vmovq %xmm1, %rdi
+; AVX-NEXT:    movq %rdi, %r8
+; AVX-NEXT:    sarq $63, %r8
+; AVX-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX-NEXT:    movq %r9, %r10
+; AVX-NEXT:    sarq $63, %r10
+; AVX-NEXT:    subq %r9, %rdx
+; AVX-NEXT:    sbbq %r10, %rsi
+; AVX-NEXT:    subq %rdi, %rax
+; AVX-NEXT:    sbbq %r8, %rcx
+; AVX-NEXT:    sarq $63, %rcx
+; AVX-NEXT:    xorq %rcx, %rax
+; AVX-NEXT:    subq %rcx, %rax
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    xorq %rsi, %rdx
+; AVX-NEXT:    subq %rsi, %rdx
+; AVX-NEXT:    vmovq %rdx, %xmm0
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX-NEXT:    retq
+  %aext = sext <2 x i64> %a to <2 x i128>
+  %bext = sext <2 x i64> %b to <2 x i128>
+  %sub = sub <2 x i128> %aext, %bext
+  %abs = call <2 x i128> @llvm.abs.v2i128(<2 x i128> %sub, i1 true)
+  %trunc = trunc <2 x i128> %abs to <2 x i64>
+  ret <2 x i64> %trunc
+}
+
+;
+; sub(smax(a,b),smin(a,b)) -> abds(a,b)
+;
+
+define <16 x i8> @abd_minmax_v16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v16i8:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm1, %xmm2
+; SSE2-NEXT:    pcmpgtb %xmm0, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pand %xmm2, %xmm3
+; SSE2-NEXT:    pandn %xmm1, %xmm2
+; SSE2-NEXT:    por %xmm3, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pcmpgtb %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm3, %xmm0
+; SSE2-NEXT:    pandn %xmm1, %xmm3
+; SSE2-NEXT:    por %xmm3, %xmm0
+; SSE2-NEXT:    psubb %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v16i8:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pminsb %xmm1, %xmm2
+; SSE42-NEXT:    pmaxsb %xmm1, %xmm0
+; SSE42-NEXT:    psubb %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v16i8:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminsb %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxsb %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubb %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <16 x i8> @llvm.smin.v16i8(<16 x i8> %a, <16 x i8> %b)
+  %max = call <16 x i8> @llvm.smax.v16i8(<16 x i8> %a, <16 x i8> %b)
+  %sub = sub <16 x i8> %max, %min
+  ret <16 x i8> %sub
+}
+
+define <8 x i16> @abd_minmax_v8i16(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE-LABEL: abd_minmax_v8i16:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movdqa %xmm0, %xmm2
+; SSE-NEXT:    pminsw %xmm1, %xmm2
+; SSE-NEXT:    pmaxsw %xmm1, %xmm0
+; SSE-NEXT:    psubw %xmm2, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminsw %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxsw %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubw %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <8 x i16> @llvm.smin.v8i16(<8 x i16> %a, <8 x i16> %b)
+  %max = call <8 x i16> @llvm.smax.v8i16(<8 x i16> %a, <8 x i16> %b)
+  %sub = sub <8 x i16> %max, %min
+  ret <8 x i16> %sub
+}
+
+define <4 x i32> @abd_minmax_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v4i32:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm1, %xmm2
+; SSE2-NEXT:    pcmpgtd %xmm0, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pand %xmm2, %xmm3
+; SSE2-NEXT:    pandn %xmm1, %xmm2
+; SSE2-NEXT:    por %xmm3, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pcmpgtd %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm3, %xmm0
+; SSE2-NEXT:    pandn %xmm1, %xmm3
+; SSE2-NEXT:    por %xmm3, %xmm0
+; SSE2-NEXT:    psubd %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v4i32:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pminsd %xmm1, %xmm2
+; SSE42-NEXT:    pmaxsd %xmm1, %xmm0
+; SSE42-NEXT:    psubd %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v4i32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminsd %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubd %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <4 x i32> @llvm.smin.v4i32(<4 x i32> %a, <4 x i32> %b)
+  %max = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b)
+  %sub = sub <4 x i32> %max, %min
+  ret <4 x i32> %sub
+}
+
+define <2 x i64> @abd_minmax_v2i64(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v2i64:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [2147483648,2147483648]
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pxor %xmm2, %xmm3
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
+; SSE2-NEXT:    movdqa %xmm3, %xmm6
+; SSE2-NEXT:    pcmpeqd %xmm2, %xmm6
+; SSE2-NEXT:    pshufd {{.*#+}} xmm6 = xmm6[1,1,3,3]
+; SSE2-NEXT:    pand %xmm6, %xmm5
+; SSE2-NEXT:    pshufd {{.*#+}} xmm4 = xmm4[1,1,3,3]
+; SSE2-NEXT:    por %xmm5, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm5
+; SSE2-NEXT:    pand %xmm4, %xmm5
+; SSE2-NEXT:    pandn %xmm1, %xmm4
+; SSE2-NEXT:    por %xmm5, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm3
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm3[0,0,2,2]
+; SSE2-NEXT:    pand %xmm6, %xmm2
+; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[1,1,3,3]
+; SSE2-NEXT:    por %xmm2, %xmm3
+; SSE2-NEXT:    pand %xmm3, %xmm0
+; SSE2-NEXT:    pandn %xmm1, %xmm3
+; SSE2-NEXT:    por %xmm3, %xmm0
+; SSE2-NEXT:    psubq %xmm4, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v2i64:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pcmpgtq %xmm1, %xmm0
+; SSE42-NEXT:    movdqa %xmm2, %xmm3
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm3
+; SSE42-NEXT:    blendvpd %xmm0, %xmm2, %xmm1
+; SSE42-NEXT:    psubq %xmm3, %xmm1
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_minmax_v2i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpcmpgtq %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm1, %xmm0, %xmm3
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vpsubq %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v2i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpcmpgtq %xmm1, %xmm0, %xmm2
+; AVX2-NEXT:    vblendvpd %xmm2, %xmm1, %xmm0, %xmm3
+; AVX2-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0
+; AVX2-NEXT:    vpsubq %xmm3, %xmm0, %xmm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v2i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsq %xmm1, %xmm0, %xmm2
+; AVX512-NEXT:    vpmaxsq %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpsubq %xmm2, %xmm0, %xmm0
+; AVX512-NEXT:    retq
+  %min = call <2 x i64> @llvm.smin.v2i64(<2 x i64> %a, <2 x i64> %b)
+  %max = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %a, <2 x i64> %b)
+  %sub = sub <2 x i64> %max, %min
+  ret <2 x i64> %sub
+}
+
+;
+; abs(sub_nsw(x, y)) -> abds(a,b)
+;
+
+define <16 x i8> @abd_subnsw_v16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_subnsw_v16i8:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    psubb %xmm1, %xmm0
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    psubb %xmm0, %xmm1
+; SSE2-NEXT:    pminub %xmm1, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_subnsw_v16i8:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    psubb %xmm1, %xmm0
+; SSE42-NEXT:    pabsb %xmm0, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_subnsw_v16i8:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpsubb %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpabsb %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %sub = sub nsw <16 x i8> %a, %b
+  %abs = call <16 x i8> @llvm.abs.v16i8(<16 x i8> %sub, i1 false)
+  ret <16 x i8> %abs
+}
+
+define <8 x i16> @abd_subnsw_v8i16(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_subnsw_v8i16:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    psubw %xmm1, %xmm0
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    psubw %xmm0, %xmm1
+; SSE2-NEXT:    pmaxsw %xmm1, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_subnsw_v8i16:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    psubw %xmm1, %xmm0
+; SSE42-NEXT:    pabsw %xmm0, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_subnsw_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpsubw %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpabsw %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %sub = sub nsw <8 x i16> %a, %b
+  %abs = call <8 x i16> @llvm.abs.v8i16(<8 x i16> %sub, i1 false)
+  ret <8 x i16> %abs
+}
+
+define <4 x i32> @abd_subnsw_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_subnsw_v4i32:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    psubd %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubd %xmm1, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_subnsw_v4i32:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    psubd %xmm1, %xmm0
+; SSE42-NEXT:    pabsd %xmm0, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_subnsw_v4i32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpsubd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpabsd %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %sub = sub nsw <4 x i32> %a, %b
+  %abs = call <4 x i32> @llvm.abs.v4i32(<4 x i32> %sub, i1 false)
+  ret <4 x i32> %abs
+}
+
+define <2 x i64> @abd_subnsw_v2i64(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_subnsw_v2i64:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_subnsw_v2i64:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    psubq %xmm1, %xmm0
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    psubq %xmm0, %xmm1
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_subnsw_v2i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vblendvpd %xmm0, %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v2i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %xmm0, %xmm1, %xmm1
+; AVX2-NEXT:    vblendvpd %xmm0, %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v2i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpabsq %xmm0, %xmm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <2 x i64> %a, %b
+  %abs = call <2 x i64> @llvm.abs.v2i64(<2 x i64> %sub, i1 false)
+  ret <2 x i64> %abs
+}
+
+declare <16 x i8> @llvm.abs.v16i8(<16 x i8>, i1)
+declare <8 x i16> @llvm.abs.v8i16(<8 x i16>, i1)
+declare <4 x i32> @llvm.abs.v4i32(<4 x i32>, i1)
+declare <2 x i64> @llvm.abs.v2i64(<2 x i64>, i1)
+declare <4 x i64> @llvm.abs.v4i64(<4 x i64>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <2 x i128> @llvm.abs.v2i128(<2 x i128>, i1)
+
+declare <16 x i8> @llvm.smax.v16i8(<16 x i8>, <16 x i8>)
+declare <8 x i16> @llvm.smax.v8i16(<8 x i16>, <8 x i16>)
+declare <4 x i32> @llvm.smax.v4i32(<4 x i32>, <4 x i32>)
+declare <2 x i64> @llvm.smax.v2i64(<2 x i64>, <2 x i64>)
+
+declare <16 x i8> @llvm.smin.v16i8(<16 x i8>, <16 x i8>)
+declare <8 x i16> @llvm.smin.v8i16(<8 x i16>, <8 x i16>)
+declare <4 x i32> @llvm.smin.v4i32(<4 x i32>, <4 x i32>)
+declare <2 x i64> @llvm.smin.v2i64(<2 x i64>, <2 x i64>)

diff  --git a/llvm/test/CodeGen/X86/abds-vector-256.ll b/llvm/test/CodeGen/X86/abds-vector-256.ll
new file mode 100644
index 000000000000..b24903fe1199
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abds-vector-256.ll
@@ -0,0 +1,1757 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx      | FileCheck %s --check-prefixes=AVX1
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx2     | FileCheck %s --check-prefixes=AVX2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512vl | FileCheck %s --check-prefixes=AVX512
+
+;
+; trunc(abs(sub(sext(a),sext(b)))) -> abds(a,b)
+;
+
+define <32 x i8> @abd_ext_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_ext_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm4, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm4, %xmm10
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm4[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm4[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm4, %xmm11
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm4
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm8
+; AVX1-NEXT:    vpmovsxbq %xmm8, %xmm3
+; AVX1-NEXT:    vmovdqa %xmm3, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm8, %xmm12
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm12[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm13, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm14[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm6, %xmm0
+; AVX1-NEXT:    vmovdqu %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm14[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm14[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpsubq %xmm14, %xmm2, %xmm0
+; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; AVX1-NEXT:    vpmovsxbq %xmm13, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm10, %xmm6
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm13, %xmm13
+; AVX1-NEXT:    vpsubq %xmm13, %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm11, %xmm11
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm4, %xmm0
+; AVX1-NEXT:    vmovdqu %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm10
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm13
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm13[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpsubq %xmm14, %xmm9, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm12[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm13[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm14, %xmm15
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm12[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm12, %xmm12
+; AVX1-NEXT:    vpmovsxbq %xmm8, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm13[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm8, %xmm8
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm8
+; AVX1-NEXT:    vpmovsxbw %xmm3, %xmm12
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm12[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbw %xmm2, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm13, %xmm13
+; AVX1-NEXT:    vpsubq %xmm13, %xmm1, %xmm13
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm12[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpsubq %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbq %xmm3, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm12
+; AVX1-NEXT:    vpsubq %xmm12, %xmm0, %xmm12
+; AVX1-NEXT:    vpsrld $16, %xmm3, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX1-NEXT:    vpsrld $16, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm2
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm4 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm4, %ymm3
+; AVX1-NEXT:    vpxor %xmm0, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubq %xmm7, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm4, %xmm0, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm3, %ymm4, %ymm3, %ymm3
+; AVX1-NEXT:    vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm7 # 16-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm0, %xmm6
+; AVX1-NEXT:    vpsubq %xmm7, %xmm0, %xmm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm6
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm6, %ymm4, %ymm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm11, %ymm5, %ymm4
+; AVX1-NEXT:    vpsubq %xmm11, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm5, %xmm0, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm5, %ymm5
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm5
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm11 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm10, %ymm11, %ymm4
+; AVX1-NEXT:    vpsubq %xmm10, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm11, %xmm0, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm10, %ymm7
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm7, %ymm4, %ymm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm15, %ymm9, %ymm7
+; AVX1-NEXT:    vpsubq %xmm15, %xmm0, %xmm10
+; AVX1-NEXT:    vpsubq %xmm9, %xmm0, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm10, %ymm9, %ymm9
+; AVX1-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm14, %ymm9
+; AVX1-NEXT:    vpsubq %xmm14, %xmm0, %xmm10
+; AVX1-NEXT:    vpsubq %xmm8, %xmm0, %xmm8
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm10, %ymm8
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm8, %ymm9, %ymm8
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm13, %ymm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm1
+; AVX1-NEXT:    vpsubq %xmm13, %xmm0, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm10, %ymm1
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm1, %ymm9, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm12, %ymm9
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm2
+; AVX1-NEXT:    vpsubq %xmm12, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm0, %ymm9, %ymm2
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm0 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm0, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm9
+; AVX1-NEXT:    vpackusdw %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm1, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm9
+; AVX1-NEXT:    vpackusdw %xmm9, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vandpd %ymm0, %ymm8, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm8
+; AVX1-NEXT:    vpackusdw %xmm8, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm7, %ymm7
+; AVX1-NEXT:    vextractf128 $1, %ymm7, %xmm8
+; AVX1-NEXT:    vpackusdw %xmm8, %xmm7, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm2, %xmm2
+; AVX1-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm0, %ymm4, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm5, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm6, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vandpd %ymm0, %ymm3, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vpackusdw %xmm0, %xmm4, %xmm0
+; AVX1-NEXT:    vpackuswb %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm7, %ymm7
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm8 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm8, %ymm8
+; AVX2-NEXT:    vpmovsxwq %xmm6, %ymm6
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm4, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm5, %ymm5
+; AVX2-NEXT:    vpmovsxwq %xmm9, %ymm9
+; AVX2-NEXT:    vpsubq %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm7, %ymm7
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm9, %ymm9
+; AVX2-NEXT:    vpsubq %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm1
+; AVX2-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX2-NEXT:    vpsubq %ymm3, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm9, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm9, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm5, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm5, %ymm9, %ymm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm2, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX2-NEXT:    vpsubq %ymm0, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm9, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm8, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm8, %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm6
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm6 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm8, %ymm8
+; AVX2-NEXT:    vpackusdw %ymm8, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm6, %ymm7, %ymm7
+; AVX2-NEXT:    vpackusdw %ymm7, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm2, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm5, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm4, %ymm2
+; AVX2-NEXT:    vandpd %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpackusdw %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackuswb %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm6
+; AVX512-NEXT:    vpsubq %zmm6, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm5, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm3[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <32 x i8> %a to <32 x i64>
+  %bext = sext <32 x i8> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 false)
+  %trunc = trunc <32 x i64> %abs to <32 x i8>
+  ret <32 x i8> %trunc
+}
+
+define <32 x i8> @abd_ext_v32i8_undef(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_ext_v32i8_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm4, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm4, %xmm10
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm4[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm4[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm4, %xmm11
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm4
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm8
+; AVX1-NEXT:    vpmovsxbq %xmm8, %xmm3
+; AVX1-NEXT:    vmovdqa %xmm3, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm8, %xmm12
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm12[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm13, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm14[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm6, %xmm0
+; AVX1-NEXT:    vmovdqu %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm14[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm7, %xmm7
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm14[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpsubq %xmm14, %xmm2, %xmm0
+; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
+; AVX1-NEXT:    vpmovsxbq %xmm13, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm10, %xmm6
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm13, %xmm13
+; AVX1-NEXT:    vpsubq %xmm13, %xmm5, %xmm5
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm11, %xmm11
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm4, %xmm0
+; AVX1-NEXT:    vmovdqu %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm10
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxbw %xmm1, %xmm13
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm13[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpsubq %xmm14, %xmm9, %xmm9
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm14 = xmm12[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm15 = xmm13[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm15, %xmm15
+; AVX1-NEXT:    vpsubq %xmm15, %xmm14, %xmm15
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm12[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm12, %xmm12
+; AVX1-NEXT:    vpmovsxbq %xmm8, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm13[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm8, %xmm8
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm8
+; AVX1-NEXT:    vpmovsxbw %xmm3, %xmm12
+; AVX1-NEXT:    vpmovsxbq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm12[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbw %xmm2, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm13, %xmm13
+; AVX1-NEXT:    vpsubq %xmm13, %xmm1, %xmm13
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm12[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpsubq %xmm0, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovsxbq %xmm3, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm12
+; AVX1-NEXT:    vpsubq %xmm12, %xmm0, %xmm12
+; AVX1-NEXT:    vpsrld $16, %xmm3, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX1-NEXT:    vpsrld $16, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxbq %xmm2, %xmm2
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm2
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm4 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm4, %ymm3
+; AVX1-NEXT:    vpxor %xmm0, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubq %xmm7, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm4, %xmm0, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm3, %ymm4, %ymm3, %ymm3
+; AVX1-NEXT:    vmovdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm7 # 16-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm0, %xmm6
+; AVX1-NEXT:    vpsubq %xmm7, %xmm0, %xmm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm6
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm6, %ymm4, %ymm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm11, %ymm5, %ymm4
+; AVX1-NEXT:    vpsubq %xmm11, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm5, %xmm0, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm5, %ymm5
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm5
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm11 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm10, %ymm11, %ymm4
+; AVX1-NEXT:    vpsubq %xmm10, %xmm0, %xmm7
+; AVX1-NEXT:    vpsubq %xmm11, %xmm0, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm10, %ymm7
+; AVX1-NEXT:    vblendvpd %ymm4, %ymm7, %ymm4, %ymm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm15, %ymm9, %ymm7
+; AVX1-NEXT:    vpsubq %xmm15, %xmm0, %xmm10
+; AVX1-NEXT:    vpsubq %xmm9, %xmm0, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm10, %ymm9, %ymm9
+; AVX1-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm14, %ymm9
+; AVX1-NEXT:    vpsubq %xmm14, %xmm0, %xmm10
+; AVX1-NEXT:    vpsubq %xmm8, %xmm0, %xmm8
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm10, %ymm8
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm8, %ymm9, %ymm8
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm13, %ymm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm1
+; AVX1-NEXT:    vpsubq %xmm13, %xmm0, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm10, %ymm1
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm1, %ymm9, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm12, %ymm9
+; AVX1-NEXT:    vpsubq %xmm2, %xmm0, %xmm2
+; AVX1-NEXT:    vpsubq %xmm12, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm0, %ymm9, %ymm2
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm0 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm0, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm9
+; AVX1-NEXT:    vpackusdw %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm1, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm9
+; AVX1-NEXT:    vpackusdw %xmm9, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm2, %xmm1
+; AVX1-NEXT:    vandpd %ymm0, %ymm8, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm8
+; AVX1-NEXT:    vpackusdw %xmm8, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm7, %ymm7
+; AVX1-NEXT:    vextractf128 $1, %ymm7, %xmm8
+; AVX1-NEXT:    vpackusdw %xmm8, %xmm7, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm2, %xmm2
+; AVX1-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm0, %ymm4, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm5, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm0, %ymm6, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vandpd %ymm0, %ymm3, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vpackusdw %xmm0, %xmm4, %xmm0
+; AVX1-NEXT:    vpackuswb %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v32i8_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm7, %ymm7
+; AVX2-NEXT:    vpmovsxbq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm8 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm8, %ymm8
+; AVX2-NEXT:    vpmovsxwq %xmm6, %ymm6
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm4, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm5, %ymm5
+; AVX2-NEXT:    vpmovsxwq %xmm9, %ymm9
+; AVX2-NEXT:    vpsubq %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm10, %ymm10
+; AVX2-NEXT:    vpsubq %ymm10, %ymm7, %ymm7
+; AVX2-NEXT:    vpmovsxbq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm9, %ymm9
+; AVX2-NEXT:    vpsubq %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm1
+; AVX2-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX2-NEXT:    vpsubq %ymm3, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm9, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm9, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm5, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm5, %ymm9, %ymm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm2, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX2-NEXT:    vpsubq %ymm0, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm9, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm8, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm8, %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm6
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm6 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm8, %ymm8
+; AVX2-NEXT:    vpackusdw %ymm8, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm6, %ymm7, %ymm7
+; AVX2-NEXT:    vpackusdw %ymm7, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm2, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm5, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm4, %ymm2
+; AVX2-NEXT:    vandpd %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpackusdw %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackuswb %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v32i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm6
+; AVX512-NEXT:    vpsubq %zmm6, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm5, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm3[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <32 x i8> %a to <32 x i64>
+  %bext = sext <32 x i8> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 true)
+  %trunc = trunc <32 x i64> %abs to <32 x i8>
+  ret <32 x i8> %trunc
+}
+
+define <16 x i16> @abd_ext_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_ext_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm7, %xmm7
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm2, %ymm11, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm4, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm3, %ymm10, %ymm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm5, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm4, %ymm9, %ymm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm4 = ymm4[0],ymm1[1,2,3],ymm4[4],ymm1[5,6,7],ymm4[8],ymm1[9,10,11],ymm4[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm3 = ymm3[0],ymm1[1,2,3],ymm3[4],ymm1[5,6,7],ymm3[8],ymm1[9,10,11],ymm3[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm3, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX512-NEXT:    vpmovsxwq %xmm3, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i16> %a to <16 x i64>
+  %bext = sext <16 x i16> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i16>
+  ret <16 x i16> %trunc
+}
+
+define <16 x i16> @abd_ext_v16i16_undef(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_ext_v16i16_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm7, %xmm7
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovsxwq %xmm9, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm9
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovsxwq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm2, %ymm11, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm4, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm3, %ymm10, %ymm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm5, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm4, %ymm9, %ymm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i16_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm0, %ymm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovsxwq %xmm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovsxwq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm4 = ymm4[0],ymm1[1,2,3],ymm4[4],ymm1[5,6,7],ymm4[8],ymm1[9,10,11],ymm4[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm3 = ymm3[0],ymm1[1,2,3],ymm3[4],ymm1[5,6,7],ymm3[8],ymm1[9,10,11],ymm3[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm3, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX512-NEXT:    vpmovsxwq %xmm3, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i16> %a to <16 x i64>
+  %bext = sext <16 x i16> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i16>
+  ret <16 x i16> %trunc
+}
+
+define <8 x i32> @abd_ext_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_ext_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm2, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX1-NEXT:    vpmovsxdq %xmm5, %xmm6
+; AVX1-NEXT:    vpsubq %xmm6, %xmm3, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vpmovsxdq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpmovsxdq %xmm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxdq %ymm0, %zmm0
+; AVX512-NEXT:    vpmovsxdq %ymm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i32> %a to <8 x i64>
+  %bext = sext <8 x i32> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 false)
+  %trunc = trunc <8 x i64> %abs to <8 x i32>
+  ret <8 x i32> %trunc
+}
+
+define <8 x i32> @abd_ext_v8i32_undef(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_ext_v8i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm2, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX1-NEXT:    vpmovsxdq %xmm5, %xmm6
+; AVX1-NEXT:    vpsubq %xmm6, %xmm3, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm5, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm5
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovsxdq %xmm1, %xmm1
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vpmovsxdq %xmm2, %ymm2
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpmovsxdq %xmm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovsxdq %xmm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxdq %ymm0, %zmm0
+; AVX512-NEXT:    vpmovsxdq %ymm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i32> %a to <8 x i64>
+  %bext = sext <8 x i32> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 true)
+  %trunc = trunc <8 x i64> %abs to <8 x i32>
+  ret <8 x i32> %trunc
+}
+
+define <4 x i64> @abd_ext_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_ext_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    pushq %rbp
+; AVX1-NEXT:    pushq %r15
+; AVX1-NEXT:    pushq %r14
+; AVX1-NEXT:    pushq %r13
+; AVX1-NEXT:    pushq %r12
+; AVX1-NEXT:    pushq %rbx
+; AVX1-NEXT:    vmovq %xmm0, %r11
+; AVX1-NEXT:    movq %r11, %r10
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX1-NEXT:    movq %rcx, %r9
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rdx
+; AVX1-NEXT:    movq %rdx, %r8
+; AVX1-NEXT:    sarq $63, %r8
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX1-NEXT:    movq %rsi, %rdi
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    vmovq %xmm1, %rbx
+; AVX1-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX1-NEXT:    sarq $63, %rbx
+; AVX1-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX1-NEXT:    movq %r14, %r15
+; AVX1-NEXT:    sarq $63, %r15
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %r12
+; AVX1-NEXT:    movq %r12, %r13
+; AVX1-NEXT:    sarq $63, %r13
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX1-NEXT:    movq %rax, %rbp
+; AVX1-NEXT:    sarq $63, %rbp
+; AVX1-NEXT:    subq %rax, %rsi
+; AVX1-NEXT:    sbbq %rbp, %rdi
+; AVX1-NEXT:    subq %r12, %rdx
+; AVX1-NEXT:    sbbq %r13, %r8
+; AVX1-NEXT:    subq %r14, %rcx
+; AVX1-NEXT:    sbbq %r15, %r9
+; AVX1-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX1-NEXT:    sbbq %rbx, %r10
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    xorq %r10, %r11
+; AVX1-NEXT:    subq %r10, %r11
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    xorq %r9, %rcx
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    sarq $63, %r8
+; AVX1-NEXT:    xorq %r8, %rdx
+; AVX1-NEXT:    subq %r8, %rdx
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    xorq %rdi, %rsi
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    vmovq %rsi, %xmm0
+; AVX1-NEXT:    vmovq %rdx, %xmm1
+; AVX1-NEXT:    vmovq %rcx, %xmm2
+; AVX1-NEXT:    vmovq %r11, %xmm3
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    popq %rbx
+; AVX1-NEXT:    popq %r12
+; AVX1-NEXT:    popq %r13
+; AVX1-NEXT:    popq %r14
+; AVX1-NEXT:    popq %r15
+; AVX1-NEXT:    popq %rbp
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    pushq %rbp
+; AVX2-NEXT:    pushq %r15
+; AVX2-NEXT:    pushq %r14
+; AVX2-NEXT:    pushq %r13
+; AVX2-NEXT:    pushq %r12
+; AVX2-NEXT:    pushq %rbx
+; AVX2-NEXT:    vmovq %xmm0, %r11
+; AVX2-NEXT:    movq %r11, %r10
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX2-NEXT:    movq %rcx, %r9
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rdx
+; AVX2-NEXT:    movq %rdx, %r8
+; AVX2-NEXT:    sarq $63, %r8
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX2-NEXT:    movq %rsi, %rdi
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    vmovq %xmm1, %rbx
+; AVX2-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX2-NEXT:    sarq $63, %rbx
+; AVX2-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX2-NEXT:    movq %r14, %r15
+; AVX2-NEXT:    sarq $63, %r15
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %r12
+; AVX2-NEXT:    movq %r12, %r13
+; AVX2-NEXT:    sarq $63, %r13
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    movq %rax, %rbp
+; AVX2-NEXT:    sarq $63, %rbp
+; AVX2-NEXT:    subq %rax, %rsi
+; AVX2-NEXT:    sbbq %rbp, %rdi
+; AVX2-NEXT:    subq %r12, %rdx
+; AVX2-NEXT:    sbbq %r13, %r8
+; AVX2-NEXT:    subq %r14, %rcx
+; AVX2-NEXT:    sbbq %r15, %r9
+; AVX2-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX2-NEXT:    sbbq %rbx, %r10
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    xorq %r10, %r11
+; AVX2-NEXT:    subq %r10, %r11
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    xorq %r9, %rcx
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    sarq $63, %r8
+; AVX2-NEXT:    xorq %r8, %rdx
+; AVX2-NEXT:    subq %r8, %rdx
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    xorq %rdi, %rsi
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    vmovq %rsi, %xmm0
+; AVX2-NEXT:    vmovq %rdx, %xmm1
+; AVX2-NEXT:    vmovq %rcx, %xmm2
+; AVX2-NEXT:    vmovq %r11, %xmm3
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    popq %rbx
+; AVX2-NEXT:    popq %r12
+; AVX2-NEXT:    popq %r13
+; AVX2-NEXT:    popq %r14
+; AVX2-NEXT:    popq %r15
+; AVX2-NEXT:    popq %rbp
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    vmovq %xmm0, %r11
+; AVX512-NEXT:    movq %r11, %r10
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    movq %rcx, %r9
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rdx
+; AVX512-NEXT:    movq %rdx, %r8
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX512-NEXT:    movq %rsi, %rdi
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    vmovq %xmm1, %rbx
+; AVX512-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX512-NEXT:    movq %r14, %r15
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %r12
+; AVX512-NEXT:    movq %r12, %r13
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX512-NEXT:    movq %rax, %rbp
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    subq %rax, %rsi
+; AVX512-NEXT:    sbbq %rbp, %rdi
+; AVX512-NEXT:    subq %r12, %rdx
+; AVX512-NEXT:    sbbq %r13, %r8
+; AVX512-NEXT:    subq %r14, %rcx
+; AVX512-NEXT:    sbbq %r15, %r9
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq %rbx, %r10
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %r11
+; AVX512-NEXT:    subq %r10, %r11
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rcx
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    xorq %r8, %rdx
+; AVX512-NEXT:    subq %r8, %rdx
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    xorq %rdi, %rsi
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    vmovq %rsi, %xmm0
+; AVX512-NEXT:    vmovq %rdx, %xmm1
+; AVX512-NEXT:    vmovq %rcx, %xmm2
+; AVX512-NEXT:    vmovq %r11, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = sext <4 x i64> %a to <4 x i128>
+  %bext = sext <4 x i64> %b to <4 x i128>
+  %sub = sub <4 x i128> %aext, %bext
+  %abs = call <4 x i128> @llvm.abs.v4i128(<4 x i128> %sub, i1 false)
+  %trunc = trunc <4 x i128> %abs to <4 x i64>
+  ret <4 x i64> %trunc
+}
+
+define <4 x i64> @abd_ext_v4i64_undef(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_ext_v4i64_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    pushq %rbp
+; AVX1-NEXT:    pushq %r15
+; AVX1-NEXT:    pushq %r14
+; AVX1-NEXT:    pushq %r13
+; AVX1-NEXT:    pushq %r12
+; AVX1-NEXT:    pushq %rbx
+; AVX1-NEXT:    vmovq %xmm0, %r11
+; AVX1-NEXT:    movq %r11, %r10
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX1-NEXT:    movq %rcx, %r9
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rdx
+; AVX1-NEXT:    movq %rdx, %r8
+; AVX1-NEXT:    sarq $63, %r8
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX1-NEXT:    movq %rsi, %rdi
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    vmovq %xmm1, %rbx
+; AVX1-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX1-NEXT:    sarq $63, %rbx
+; AVX1-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX1-NEXT:    movq %r14, %r15
+; AVX1-NEXT:    sarq $63, %r15
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %r12
+; AVX1-NEXT:    movq %r12, %r13
+; AVX1-NEXT:    sarq $63, %r13
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX1-NEXT:    movq %rax, %rbp
+; AVX1-NEXT:    sarq $63, %rbp
+; AVX1-NEXT:    subq %rax, %rsi
+; AVX1-NEXT:    sbbq %rbp, %rdi
+; AVX1-NEXT:    subq %r12, %rdx
+; AVX1-NEXT:    sbbq %r13, %r8
+; AVX1-NEXT:    subq %r14, %rcx
+; AVX1-NEXT:    sbbq %r15, %r9
+; AVX1-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX1-NEXT:    sbbq %rbx, %r10
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    xorq %r10, %r11
+; AVX1-NEXT:    subq %r10, %r11
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    xorq %r9, %rcx
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    sarq $63, %r8
+; AVX1-NEXT:    xorq %r8, %rdx
+; AVX1-NEXT:    subq %r8, %rdx
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    xorq %rdi, %rsi
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    vmovq %rsi, %xmm0
+; AVX1-NEXT:    vmovq %rdx, %xmm1
+; AVX1-NEXT:    vmovq %rcx, %xmm2
+; AVX1-NEXT:    vmovq %r11, %xmm3
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    popq %rbx
+; AVX1-NEXT:    popq %r12
+; AVX1-NEXT:    popq %r13
+; AVX1-NEXT:    popq %r14
+; AVX1-NEXT:    popq %r15
+; AVX1-NEXT:    popq %rbp
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i64_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    pushq %rbp
+; AVX2-NEXT:    pushq %r15
+; AVX2-NEXT:    pushq %r14
+; AVX2-NEXT:    pushq %r13
+; AVX2-NEXT:    pushq %r12
+; AVX2-NEXT:    pushq %rbx
+; AVX2-NEXT:    vmovq %xmm0, %r11
+; AVX2-NEXT:    movq %r11, %r10
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX2-NEXT:    movq %rcx, %r9
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rdx
+; AVX2-NEXT:    movq %rdx, %r8
+; AVX2-NEXT:    sarq $63, %r8
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX2-NEXT:    movq %rsi, %rdi
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    vmovq %xmm1, %rbx
+; AVX2-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX2-NEXT:    sarq $63, %rbx
+; AVX2-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX2-NEXT:    movq %r14, %r15
+; AVX2-NEXT:    sarq $63, %r15
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %r12
+; AVX2-NEXT:    movq %r12, %r13
+; AVX2-NEXT:    sarq $63, %r13
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX2-NEXT:    movq %rax, %rbp
+; AVX2-NEXT:    sarq $63, %rbp
+; AVX2-NEXT:    subq %rax, %rsi
+; AVX2-NEXT:    sbbq %rbp, %rdi
+; AVX2-NEXT:    subq %r12, %rdx
+; AVX2-NEXT:    sbbq %r13, %r8
+; AVX2-NEXT:    subq %r14, %rcx
+; AVX2-NEXT:    sbbq %r15, %r9
+; AVX2-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX2-NEXT:    sbbq %rbx, %r10
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    xorq %r10, %r11
+; AVX2-NEXT:    subq %r10, %r11
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    xorq %r9, %rcx
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    sarq $63, %r8
+; AVX2-NEXT:    xorq %r8, %rdx
+; AVX2-NEXT:    subq %r8, %rdx
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    xorq %rdi, %rsi
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    vmovq %rsi, %xmm0
+; AVX2-NEXT:    vmovq %rdx, %xmm1
+; AVX2-NEXT:    vmovq %rcx, %xmm2
+; AVX2-NEXT:    vmovq %r11, %xmm3
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    popq %rbx
+; AVX2-NEXT:    popq %r12
+; AVX2-NEXT:    popq %r13
+; AVX2-NEXT:    popq %r14
+; AVX2-NEXT:    popq %r15
+; AVX2-NEXT:    popq %rbp
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i64_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    vmovq %xmm0, %r11
+; AVX512-NEXT:    movq %r11, %r10
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    movq %rcx, %r9
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rdx
+; AVX512-NEXT:    movq %rdx, %r8
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX512-NEXT:    movq %rsi, %rdi
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    vmovq %xmm1, %rbx
+; AVX512-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm1, %r14
+; AVX512-NEXT:    movq %r14, %r15
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %r12
+; AVX512-NEXT:    movq %r12, %r13
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX512-NEXT:    movq %rax, %rbp
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    subq %rax, %rsi
+; AVX512-NEXT:    sbbq %rbp, %rdi
+; AVX512-NEXT:    subq %r12, %rdx
+; AVX512-NEXT:    sbbq %r13, %r8
+; AVX512-NEXT:    subq %r14, %rcx
+; AVX512-NEXT:    sbbq %r15, %r9
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r11 # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq %rbx, %r10
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %r11
+; AVX512-NEXT:    subq %r10, %r11
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rcx
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    xorq %r8, %rdx
+; AVX512-NEXT:    subq %r8, %rdx
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    xorq %rdi, %rsi
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    vmovq %rsi, %xmm0
+; AVX512-NEXT:    vmovq %rdx, %xmm1
+; AVX512-NEXT:    vmovq %rcx, %xmm2
+; AVX512-NEXT:    vmovq %r11, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = sext <4 x i64> %a to <4 x i128>
+  %bext = sext <4 x i64> %b to <4 x i128>
+  %sub = sub <4 x i128> %aext, %bext
+  %abs = call <4 x i128> @llvm.abs.v4i128(<4 x i128> %sub, i1 true)
+  %trunc = trunc <4 x i128> %abs to <4 x i64>
+  ret <4 x i64> %trunc
+}
+
+;
+; sub(smax(a,b),smin(a,b)) -> abds(a,b)
+;
+
+define <32 x i8> @abd_minmax_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminsb %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminsb %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxsb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubb %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxsb %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubb %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminsb %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxsb %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsb %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxsb %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <32 x i8> @llvm.smin.v32i8(<32 x i8> %a, <32 x i8> %b)
+  %max = call <32 x i8> @llvm.smax.v32i8(<32 x i8> %a, <32 x i8> %b)
+  %sub = sub <32 x i8> %max, %min
+  ret <32 x i8> %sub
+}
+
+define <16 x i16> @abd_minmax_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminsw %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminsw %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxsw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubw %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxsw %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubw %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminsw %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxsw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsw %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxsw %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <16 x i16> @llvm.smin.v16i16(<16 x i16> %a, <16 x i16> %b)
+  %max = call <16 x i16> @llvm.smax.v16i16(<16 x i16> %a, <16 x i16> %b)
+  %sub = sub <16 x i16> %max, %min
+  ret <16 x i16> %sub
+}
+
+define <8 x i32> @abd_minmax_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminsd %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminsd %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubd %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxsd %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubd %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminsd %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxsd %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsd %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxsd %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubd %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <8 x i32> @llvm.smin.v8i32(<8 x i32> %a, <8 x i32> %b)
+  %max = call <8 x i32> @llvm.smax.v8i32(<8 x i32> %a, <8 x i32> %b)
+  %sub = sub <8 x i32> %max, %min
+  ret <8 x i32> %sub
+}
+
+define <4 x i64> @abd_minmax_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpcmpgtq %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm1, %xmm0, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpcmpgtq %xmm4, %xmm5, %xmm6
+; AVX1-NEXT:    vblendvpd %xmm6, %xmm4, %xmm5, %xmm7
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vpsubq %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vblendvpd %xmm6, %xmm5, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubq %xmm7, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm1, %ymm0, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpsubq %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsq %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxsq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <4 x i64> @llvm.smin.v4i64(<4 x i64> %a, <4 x i64> %b)
+  %max = call <4 x i64> @llvm.smax.v4i64(<4 x i64> %a, <4 x i64> %b)
+  %sub = sub <4 x i64> %max, %min
+  ret <4 x i64> %sub
+}
+
+;
+; abs(sub_nsw(x, y)) -> abds(a,b)
+;
+
+define <32 x i8> @abd_subnsw_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubb %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsb %xmm0, %xmm0
+; AVX1-NEXT:    vpabsb %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubb %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsb %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubb %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsb %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <32 x i8> %a, %b
+  %abs = call <32 x i8> @llvm.abs.v32i8(<32 x i8> %sub, i1 false)
+  ret <32 x i8> %abs
+}
+
+define <16 x i16> @abd_subnsw_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubw %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsw %xmm0, %xmm0
+; AVX1-NEXT:    vpabsw %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsw %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubw %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsw %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <16 x i16> %a, %b
+  %abs = call <16 x i16> @llvm.abs.v16i16(<16 x i16> %sub, i1 false)
+  ret <16 x i16> %abs
+}
+
+define <8 x i32> @abd_subnsw_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubd %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsd %xmm0, %xmm0
+; AVX1-NEXT:    vpabsd %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubd %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsd %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubd %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsd %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <8 x i32> %a, %b
+  %abs = call <8 x i32> @llvm.abs.v8i32(<8 x i32> %sub, i1 false)
+  ret <8 x i32> %abs
+}
+
+define <4 x i64> @abd_subnsw_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm1
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <4 x i64> %a, %b
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 false)
+  ret <4 x i64> %abs
+}
+
+declare <32 x i8> @llvm.abs.v32i8(<32 x i8>, i1)
+declare <16 x i16> @llvm.abs.v16i16(<16 x i16>, i1)
+declare <8 x i32> @llvm.abs.v8i32(<8 x i32>, i1)
+declare <4 x i64> @llvm.abs.v4i64(<4 x i64>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <32 x i64> @llvm.abs.v32i64(<32 x i64>, i1)
+declare <4 x i128> @llvm.abs.v4i128(<4 x i128>, i1)
+
+declare <32 x i8> @llvm.smax.v32i8(<32 x i8>, <32 x i8>)
+declare <16 x i16> @llvm.smax.v16i16(<16 x i16>, <16 x i16>)
+declare <8 x i32> @llvm.smax.v8i32(<8 x i32>, <8 x i32>)
+declare <4 x i64> @llvm.smax.v4i64(<4 x i64>, <4 x i64>)
+
+declare <32 x i8> @llvm.smin.v32i8(<32 x i8>, <32 x i8>)
+declare <16 x i16> @llvm.smin.v16i16(<16 x i16>, <16 x i16>)
+declare <8 x i32> @llvm.smin.v8i32(<8 x i32>, <8 x i32>)
+declare <4 x i64> @llvm.smin.v4i64(<4 x i64>, <4 x i64>)

diff  --git a/llvm/test/CodeGen/X86/abds-vector-512.ll b/llvm/test/CodeGen/X86/abds-vector-512.ll
new file mode 100644
index 000000000000..0f6d37bcdda4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abds-vector-512.ll
@@ -0,0 +1,768 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX512,AVX512BW
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512dq | FileCheck %s --check-prefixes=AVX512,AVX512DQ
+
+;
+; trunc(abs(sub(sext(a),sext(b)))) -> abds(a,b)
+;
+
+define <64 x i8> @abd_ext_v64i8(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512-LABEL: abd_ext_v64i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovsxbw %xmm4, %ymm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm6
+; AVX512-NEXT:    vpmovsxwq %xmm6, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX512-NEXT:    vpmovsxwq %xmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm9
+; AVX512-NEXT:    vpmovsxbw %xmm9, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm5, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm7, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm8, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm5, %zmm3
+; AVX512-NEXT:    vpabsq %zmm4, %zmm4
+; AVX512-NEXT:    vpabsq %zmm7, %zmm5
+; AVX512-NEXT:    vpabsq %zmm6, %zmm6
+; AVX512-NEXT:    vpabsq %zmm8, %zmm7
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm7, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm7[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm6, %xmm6
+; AVX512-NEXT:    vpmovqb %zmm5, %xmm5
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm5 = xmm5[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm5, %ymm0
+; AVX512-NEXT:    vpmovqb %zmm4, %xmm4
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <64 x i8> %a to <64 x i64>
+  %bext = sext <64 x i8> %b to <64 x i64>
+  %sub = sub <64 x i64> %aext, %bext
+  %abs = call <64 x i64> @llvm.abs.v64i64(<64 x i64> %sub, i1 false)
+  %trunc = trunc <64 x i64> %abs to <64 x i8>
+  ret <64 x i8> %trunc
+}
+
+define <64 x i8> @abd_ext_v64i8_undef(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512-LABEL: abd_ext_v64i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovsxbw %xmm4, %ymm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm6
+; AVX512-NEXT:    vpmovsxwq %xmm6, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX512-NEXT:    vpmovsxwq %xmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm9
+; AVX512-NEXT:    vpmovsxbw %xmm9, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm5, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm10
+; AVX512-NEXT:    vpsubq %zmm10, %zmm7, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovsxwq %xmm9, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxbw %xmm1, %ymm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm9
+; AVX512-NEXT:    vpsubq %zmm9, %zmm8, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm5, %zmm3
+; AVX512-NEXT:    vpabsq %zmm4, %zmm4
+; AVX512-NEXT:    vpabsq %zmm7, %zmm5
+; AVX512-NEXT:    vpabsq %zmm6, %zmm6
+; AVX512-NEXT:    vpabsq %zmm8, %zmm7
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm7, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm7[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm6, %xmm6
+; AVX512-NEXT:    vpmovqb %zmm5, %xmm5
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm5 = xmm5[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm5, %ymm0
+; AVX512-NEXT:    vpmovqb %zmm4, %xmm4
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <64 x i8> %a to <64 x i64>
+  %bext = sext <64 x i8> %b to <64 x i64>
+  %sub = sub <64 x i64> %aext, %bext
+  %abs = call <64 x i64> @llvm.abs.v64i64(<64 x i64> %sub, i1 true)
+  %trunc = trunc <64 x i64> %abs to <64 x i8>
+  ret <64 x i8> %trunc
+}
+
+define <32 x i16> @abd_ext_v32i16(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512-LABEL: abd_ext_v32i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm4
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm3, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm3, %xmm3
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqw %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <32 x i16> %a to <32 x i64>
+  %bext = sext <32 x i16> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 false)
+  %trunc = trunc <32 x i64> %abs to <32 x i16>
+  ret <32 x i16> %trunc
+}
+
+define <32 x i16> @abd_ext_v32i16_undef(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512-LABEL: abd_ext_v32i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovsxwq %xmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovsxwq %xmm4, %zmm4
+; AVX512-NEXT:    vpmovsxwq %xmm0, %zmm0
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovsxwq %xmm5, %zmm5
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vpmovsxwq %xmm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm3, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm3, %xmm3
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqw %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <32 x i16> %a to <32 x i64>
+  %bext = sext <32 x i16> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 true)
+  %trunc = trunc <32 x i64> %abs to <32 x i16>
+  ret <32 x i16> %trunc
+}
+
+define <16 x i32> @abd_ext_v16i32(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_ext_v16i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vpmovsxdq %ymm2, %zmm2
+; AVX512-NEXT:    vpmovsxdq %ymm0, %zmm0
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512-NEXT:    vpmovsxdq %ymm3, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxdq %ymm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    vpmovqd %zmm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i32> %a to <16 x i64>
+  %bext = sext <16 x i32> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i32>
+  ret <16 x i32> %trunc
+}
+
+define <16 x i32> @abd_ext_v16i32_undef(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_ext_v16i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vpmovsxdq %ymm2, %zmm2
+; AVX512-NEXT:    vpmovsxdq %ymm0, %zmm0
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512-NEXT:    vpmovsxdq %ymm3, %zmm3
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovsxdq %ymm1, %zmm1
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    vpmovqd %zmm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %aext = sext <16 x i32> %a to <16 x i64>
+  %bext = sext <16 x i32> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i32>
+  ret <16 x i32> %trunc
+}
+
+define <8 x i64> @abd_ext_v8i64(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_ext_v8i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    pushq %rax
+; AVX512-NEXT:    vmovq %xmm0, %r9
+; AVX512-NEXT:    movq %r9, (%rsp) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rbp
+; AVX512-NEXT:    movq %rbp, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r13
+; AVX512-NEXT:    movq %r13, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r12
+; AVX512-NEXT:    movq %r12, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vmovq %xmm0, %r15
+; AVX512-NEXT:    movq %r15, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r14
+; AVX512-NEXT:    movq %r14, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rbx
+; AVX512-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r11
+; AVX512-NEXT:    movq %r11, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    vmovq %xmm1, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm0
+; AVX512-NEXT:    vmovq %xmm0, %rdi
+; AVX512-NEXT:    movq %rdi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r10
+; AVX512-NEXT:    movq %r10, %r8
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rsi
+; AVX512-NEXT:    movq %rsi, %rax
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rdx
+; AVX512-NEXT:    movq %rdx, %rcx
+; AVX512-NEXT:    sarq $63, %rcx
+; AVX512-NEXT:    subq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %rcx, %r11
+; AVX512-NEXT:    subq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %rax, %rbx
+; AVX512-NEXT:    subq %r10, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %r8, %r14
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq %rdi, %r15
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rsi # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rsi # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r12 # 8-byte Folded Reload
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r13 # 8-byte Folded Reload
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %rbp # 8-byte Folded Reload
+; AVX512-NEXT:    movq (%rsp), %rax # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r9 # 8-byte Folded Reload
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rax
+; AVX512-NEXT:    subq %r9, %rax
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    xorq %rbp, %rcx
+; AVX512-NEXT:    subq %rbp, %rcx
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    xorq %r13, %rdx
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    xorq %r12, %rsi
+; AVX512-NEXT:    subq %r12, %rsi
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    movq %r8, %rdi
+; AVX512-NEXT:    xorq %r15, %rdi
+; AVX512-NEXT:    subq %r15, %rdi
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Reload
+; AVX512-NEXT:    xorq %r14, %r8
+; AVX512-NEXT:    subq %r14, %r8
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r9 # 8-byte Reload
+; AVX512-NEXT:    xorq %rbx, %r9
+; AVX512-NEXT:    subq %rbx, %r9
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r10 # 8-byte Reload
+; AVX512-NEXT:    xorq %r11, %r10
+; AVX512-NEXT:    subq %r11, %r10
+; AVX512-NEXT:    vmovq %r10, %xmm0
+; AVX512-NEXT:    vmovq %r9, %xmm1
+; AVX512-NEXT:    vmovq %r8, %xmm2
+; AVX512-NEXT:    vmovq %rdi, %xmm3
+; AVX512-NEXT:    vmovq %rsi, %xmm4
+; AVX512-NEXT:    vmovq %rdx, %xmm5
+; AVX512-NEXT:    vmovq %rcx, %xmm6
+; AVX512-NEXT:    vmovq %rax, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm5[0],xmm4[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm7[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    addq $8, %rsp
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i64> %a to <8 x i128>
+  %bext = sext <8 x i64> %b to <8 x i128>
+  %sub = sub <8 x i128> %aext, %bext
+  %abs = call <8 x i128> @llvm.abs.v8i128(<8 x i128> %sub, i1 false)
+  %trunc = trunc <8 x i128> %abs to <8 x i64>
+  ret <8 x i64> %trunc
+}
+
+define <8 x i64> @abd_ext_v8i64_undef(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_ext_v8i64_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    pushq %rax
+; AVX512-NEXT:    vmovq %xmm0, %r9
+; AVX512-NEXT:    movq %r9, (%rsp) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rbp
+; AVX512-NEXT:    movq %rbp, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r13
+; AVX512-NEXT:    movq %r13, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r12
+; AVX512-NEXT:    movq %r12, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vmovq %xmm0, %r15
+; AVX512-NEXT:    movq %r15, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r14
+; AVX512-NEXT:    movq %r14, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rbx
+; AVX512-NEXT:    movq %rbx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r11
+; AVX512-NEXT:    movq %r11, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    vmovq %xmm1, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vpextrq $1, %xmm1, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm0
+; AVX512-NEXT:    vmovq %xmm0, %rdi
+; AVX512-NEXT:    movq %rdi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    vpextrq $1, %xmm0, %r10
+; AVX512-NEXT:    movq %r10, %r8
+; AVX512-NEXT:    sarq $63, %r8
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rsi
+; AVX512-NEXT:    movq %rsi, %rax
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rdx
+; AVX512-NEXT:    movq %rdx, %rcx
+; AVX512-NEXT:    sarq $63, %rcx
+; AVX512-NEXT:    subq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %rcx, %r11
+; AVX512-NEXT:    subq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %rax, %rbx
+; AVX512-NEXT:    subq %r10, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
+; AVX512-NEXT:    sbbq %r8, %r14
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq %rdi, %r15
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rsi # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rsi # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r12 # 8-byte Folded Reload
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r13 # 8-byte Folded Reload
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %rbp # 8-byte Folded Reload
+; AVX512-NEXT:    movq (%rsp), %rax # 8-byte Reload
+; AVX512-NEXT:    subq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Folded Reload
+; AVX512-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %r9 # 8-byte Folded Reload
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rax
+; AVX512-NEXT:    subq %r9, %rax
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    xorq %rbp, %rcx
+; AVX512-NEXT:    subq %rbp, %rcx
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    xorq %r13, %rdx
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    xorq %r12, %rsi
+; AVX512-NEXT:    subq %r12, %rsi
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    movq %r8, %rdi
+; AVX512-NEXT:    xorq %r15, %rdi
+; AVX512-NEXT:    subq %r15, %rdi
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r8 # 8-byte Reload
+; AVX512-NEXT:    xorq %r14, %r8
+; AVX512-NEXT:    subq %r14, %r8
+; AVX512-NEXT:    sarq $63, %rbx
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r9 # 8-byte Reload
+; AVX512-NEXT:    xorq %rbx, %r9
+; AVX512-NEXT:    subq %rbx, %r9
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r10 # 8-byte Reload
+; AVX512-NEXT:    xorq %r11, %r10
+; AVX512-NEXT:    subq %r11, %r10
+; AVX512-NEXT:    vmovq %r10, %xmm0
+; AVX512-NEXT:    vmovq %r9, %xmm1
+; AVX512-NEXT:    vmovq %r8, %xmm2
+; AVX512-NEXT:    vmovq %rdi, %xmm3
+; AVX512-NEXT:    vmovq %rsi, %xmm4
+; AVX512-NEXT:    vmovq %rdx, %xmm5
+; AVX512-NEXT:    vmovq %rcx, %xmm6
+; AVX512-NEXT:    vmovq %rax, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm5[0],xmm4[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm7[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    addq $8, %rsp
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = sext <8 x i64> %a to <8 x i128>
+  %bext = sext <8 x i64> %b to <8 x i128>
+  %sub = sub <8 x i128> %aext, %bext
+  %abs = call <8 x i128> @llvm.abs.v8i128(<8 x i128> %sub, i1 true)
+  %trunc = trunc <8 x i128> %abs to <8 x i64>
+  ret <8 x i64> %trunc
+}
+
+;
+; sub(smax(a,b),smin(a,b)) -> abds(a,b)
+;
+
+define <64 x i8> @abd_minmax_v64i8(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512BW-LABEL: abd_minmax_v64i8:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpminsb %zmm1, %zmm0, %zmm2
+; AVX512BW-NEXT:    vpmaxsb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpsubb %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_minmax_v64i8:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vpminsb %ymm1, %ymm0, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm4
+; AVX512DQ-NEXT:    vpminsb %ymm3, %ymm4, %ymm5
+; AVX512DQ-NEXT:    vpmaxsb %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpmaxsb %ymm3, %ymm4, %ymm1
+; AVX512DQ-NEXT:    vpsubb %ymm5, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %min = call <64 x i8> @llvm.smin.v64i8(<64 x i8> %a, <64 x i8> %b)
+  %max = call <64 x i8> @llvm.smax.v64i8(<64 x i8> %a, <64 x i8> %b)
+  %sub = sub <64 x i8> %max, %min
+  ret <64 x i8> %sub
+}
+
+define <32 x i16> @abd_minmax_v32i16(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512BW-LABEL: abd_minmax_v32i16:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpminsw %zmm1, %zmm0, %zmm2
+; AVX512BW-NEXT:    vpmaxsw %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpsubw %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_minmax_v32i16:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vpminsw %ymm1, %ymm0, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm4
+; AVX512DQ-NEXT:    vpminsw %ymm3, %ymm4, %ymm5
+; AVX512DQ-NEXT:    vpmaxsw %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpmaxsw %ymm3, %ymm4, %ymm1
+; AVX512DQ-NEXT:    vpsubw %ymm5, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %min = call <32 x i16> @llvm.smin.v32i16(<32 x i16> %a, <32 x i16> %b)
+  %max = call <32 x i16> @llvm.smax.v32i16(<32 x i16> %a, <32 x i16> %b)
+  %sub = sub <32 x i16> %max, %min
+  ret <32 x i16> %sub
+}
+
+define <16 x i32> @abd_minmax_v16i32(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_minmax_v16i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsd %zmm1, %zmm0, %zmm2
+; AVX512-NEXT:    vpmaxsd %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpsubd %zmm2, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %min = call <16 x i32> @llvm.smin.v16i32(<16 x i32> %a, <16 x i32> %b)
+  %max = call <16 x i32> @llvm.smax.v16i32(<16 x i32> %a, <16 x i32> %b)
+  %sub = sub <16 x i32> %max, %min
+  ret <16 x i32> %sub
+}
+
+define <8 x i64> @abd_minmax_v8i64(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_minmax_v8i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminsq %zmm1, %zmm0, %zmm2
+; AVX512-NEXT:    vpmaxsq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpsubq %zmm2, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %min = call <8 x i64> @llvm.smin.v8i64(<8 x i64> %a, <8 x i64> %b)
+  %max = call <8 x i64> @llvm.smax.v8i64(<8 x i64> %a, <8 x i64> %b)
+  %sub = sub <8 x i64> %max, %min
+  ret <8 x i64> %sub
+}
+
+;
+; abs(sub_nsw(x, y)) -> abds(a,b)
+;
+
+define <64 x i8> @abd_subnsw_v64i8(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512BW-LABEL: abd_subnsw_v64i8:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpsubb %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpabsb %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_subnsw_v64i8:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT:    vpsubb %ymm2, %ymm3, %ymm2
+; AVX512DQ-NEXT:    vpsubb %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpabsb %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpabsb %ymm2, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %sub = sub nsw <64 x i8> %a, %b
+  %abs = call <64 x i8> @llvm.abs.v64i8(<64 x i8> %sub, i1 false)
+  ret <64 x i8> %abs
+}
+
+define <32 x i16> @abd_subnsw_v32i16(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512BW-LABEL: abd_subnsw_v32i16:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpsubw %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpabsw %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_subnsw_v32i16:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT:    vpsubw %ymm2, %ymm3, %ymm2
+; AVX512DQ-NEXT:    vpsubw %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpabsw %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpabsw %ymm2, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %sub = sub nsw <32 x i16> %a, %b
+  %abs = call <32 x i16> @llvm.abs.v32i16(<32 x i16> %sub, i1 false)
+  ret <32 x i16> %abs
+}
+
+define <16 x i32> @abd_subnsw_v16i32(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_subnsw_v16i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubd %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsd %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <16 x i32> %a, %b
+  %abs = call <16 x i32> @llvm.abs.v16i32(<16 x i32> %sub, i1 false)
+  ret <16 x i32> %abs
+}
+
+define <8 x i64> @abd_subnsw_v8i64(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_subnsw_v8i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <8 x i64> %a, %b
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 false)
+  ret <8 x i64> %abs
+}
+
+declare <64 x i8> @llvm.abs.v64i8(<64 x i8>, i1)
+declare <32 x i16> @llvm.abs.v32i16(<32 x i16>, i1)
+declare <16 x i32> @llvm.abs.v16i32(<16 x i32>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <32 x i64> @llvm.abs.v32i64(<32 x i64>, i1)
+declare <64 x i64> @llvm.abs.v64i64(<64 x i64>, i1)
+declare <8 x i128> @llvm.abs.v8i128(<8 x i128>, i1)
+
+declare <64 x i8> @llvm.smax.v64i8(<64 x i8>, <64 x i8>)
+declare <32 x i16> @llvm.smax.v32i16(<32 x i16>, <32 x i16>)
+declare <16 x i32> @llvm.smax.v16i32(<16 x i32>, <16 x i32>)
+declare <8 x i64> @llvm.smax.v8i64(<8 x i64>, <8 x i64>)
+
+declare <64 x i8> @llvm.smin.v64i8(<64 x i8>, <64 x i8>)
+declare <32 x i16> @llvm.smin.v32i16(<32 x i16>, <32 x i16>)
+declare <16 x i32> @llvm.smin.v16i32(<16 x i32>, <16 x i32>)
+declare <8 x i64> @llvm.smin.v8i64(<8 x i64>, <8 x i64>)

diff  --git a/llvm/test/CodeGen/X86/abdu-vector-128.ll b/llvm/test/CodeGen/X86/abdu-vector-128.ll
new file mode 100644
index 000000000000..ff6d3ab324d5
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abdu-vector-128.ll
@@ -0,0 +1,1668 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux                  | FileCheck %s --check-prefixes=SSE,SSE2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse4.2   | FileCheck %s --check-prefixes=SSE,SSE42
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx      | FileCheck %s --check-prefixes=AVX,AVX1
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx2     | FileCheck %s --check-prefixes=AVX,AVX2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512vl | FileCheck %s --check-prefixes=AVX,AVX512
+
+;
+; trunc(abs(sub(zext(a),zext(b)))) -> abdu(a,b)
+;
+
+define <16 x i8> @abd_ext_v16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_ext_v16i8:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    pxor %xmm9, %xmm9
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm4 = xmm4[0],xmm9[0],xmm4[1],xmm9[1],xmm4[2],xmm9[2],xmm4[3],xmm9[3],xmm4[4],xmm9[4],xmm4[5],xmm9[5],xmm4[6],xmm9[6],xmm4[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm4, %xmm3
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm9[0],xmm3[1],xmm9[1],xmm3[2],xmm9[2],xmm3[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm3, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm9[0],xmm0[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm9[2],xmm3[3],xmm9[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm4 = xmm4[4],xmm9[4],xmm4[5],xmm9[5],xmm4[6],xmm9[6],xmm4[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm4, %xmm5
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm5 = xmm5[0],xmm9[0],xmm5[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm4 = xmm4[2],xmm9[2],xmm4[3],xmm9[3]
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm9[8],xmm2[9],xmm9[9],xmm2[10],xmm9[10],xmm2[11],xmm9[11],xmm2[12],xmm9[12],xmm2[13],xmm9[13],xmm2[14],xmm9[14],xmm2[15],xmm9[15]
+; SSE2-NEXT:    movdqa %xmm2, %xmm7
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm7 = xmm7[0],xmm9[0],xmm7[1],xmm9[1],xmm7[2],xmm9[2],xmm7[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm7, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm9[0],xmm6[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm7 = xmm7[2],xmm9[2],xmm7[3],xmm9[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm9[4],xmm2[5],xmm9[5],xmm2[6],xmm9[6],xmm2[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm2, %xmm8
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm8 = xmm8[0],xmm9[0],xmm8[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm9[2],xmm2[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1],xmm10[2],xmm9[2],xmm10[3],xmm9[3],xmm10[4],xmm9[4],xmm10[5],xmm9[5],xmm10[6],xmm9[6],xmm10[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1],xmm11[2],xmm9[2],xmm11[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm11, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm9[0],xmm12[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm0
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm11 = xmm11[2],xmm9[2],xmm11[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm11, %xmm3
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4],xmm9[4],xmm10[5],xmm9[5],xmm10[6],xmm9[6],xmm10[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm11, %xmm5
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm4
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8],xmm9[8],xmm1[9],xmm9[9],xmm1[10],xmm9[10],xmm1[11],xmm9[11],xmm1[12],xmm9[12],xmm1[13],xmm9[13],xmm1[14],xmm9[14],xmm1[15],xmm9[15]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1],xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm11, %xmm6
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm7
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm9[4],xmm1[5],xmm9[5],xmm1[6],xmm9[6],xmm1[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm10, %xmm8
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm9[2],xmm1[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm5, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm5
+; SSE2-NEXT:    psubq %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm6, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm6
+; SSE2-NEXT:    psubq %xmm1, %xmm6
+; SSE2-NEXT:    movdqa %xmm7, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm7
+; SSE2-NEXT:    psubq %xmm1, %xmm7
+; SSE2-NEXT:    movdqa %xmm8, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm8
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE2-NEXT:    pand %xmm1, %xmm2
+; SSE2-NEXT:    pand %xmm1, %xmm8
+; SSE2-NEXT:    packuswb %xmm2, %xmm8
+; SSE2-NEXT:    pand %xmm1, %xmm7
+; SSE2-NEXT:    pand %xmm1, %xmm6
+; SSE2-NEXT:    packuswb %xmm7, %xmm6
+; SSE2-NEXT:    packuswb %xmm8, %xmm6
+; SSE2-NEXT:    pand %xmm1, %xmm4
+; SSE2-NEXT:    pand %xmm1, %xmm5
+; SSE2-NEXT:    packuswb %xmm4, %xmm5
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm1, %xmm0
+; SSE2-NEXT:    packuswb %xmm3, %xmm0
+; SSE2-NEXT:    packuswb %xmm5, %xmm0
+; SSE2-NEXT:    packuswb %xmm6, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v16i8:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    psrld $16, %xmm2
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,zero,zero,zero,zero,xmm2[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm9 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm0, %xmm4
+; SSE42-NEXT:    psrlq $48, %xmm4
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm5 = xmm4[0],zero,zero,zero,zero,zero,zero,zero,xmm4[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,zero,zero,zero,zero,xmm4[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm0, %xmm6
+; SSE42-NEXT:    psrldq {{.*#+}} xmm6 = xmm6[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,zero,zero,zero,zero,xmm6[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,zero,zero,zero,zero,xmm7[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrld $16, %xmm0
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrlq $48, %xmm0
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm8
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm2, %xmm10
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm2
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm9, %xmm10
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm9
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm3, %xmm10
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm3
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm5, %xmm10
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm5
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm4, %xmm10
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm4
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm6, %xmm10
+; SSE42-NEXT:    movdqa %xmm6, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm6
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm7, %xmm10
+; SSE42-NEXT:    movdqa %xmm7, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm7
+; SSE42-NEXT:    psubq %xmm8, %xmm1
+; SSE42-NEXT:    movdqa %xmm8, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm8
+; SSE42-NEXT:    movapd {{.*#+}} xmm0 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE42-NEXT:    andpd %xmm0, %xmm8
+; SSE42-NEXT:    andpd %xmm0, %xmm7
+; SSE42-NEXT:    packusdw %xmm8, %xmm7
+; SSE42-NEXT:    andpd %xmm0, %xmm6
+; SSE42-NEXT:    andpd %xmm0, %xmm4
+; SSE42-NEXT:    packusdw %xmm6, %xmm4
+; SSE42-NEXT:    packusdw %xmm7, %xmm4
+; SSE42-NEXT:    andpd %xmm0, %xmm5
+; SSE42-NEXT:    andpd %xmm0, %xmm3
+; SSE42-NEXT:    packusdw %xmm5, %xmm3
+; SSE42-NEXT:    andpd %xmm0, %xmm9
+; SSE42-NEXT:    andpd %xmm0, %xmm2
+; SSE42-NEXT:    packusdw %xmm2, %xmm9
+; SSE42-NEXT:    packusdw %xmm3, %xmm9
+; SSE42-NEXT:    packuswb %xmm4, %xmm9
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v16i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm3 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm3[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm3[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm7 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm7[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm8[0],zero,zero,zero,xmm8[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm7[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm9 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm10 = xmm1[8],xmm2[8],xmm1[9],xmm2[9],xmm1[10],xmm2[10],xmm1[11],xmm2[11],xmm1[12],xmm2[12],xmm1[13],xmm2[13],xmm1[14],xmm2[14],xmm1[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm5, %xmm5
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm10 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm9, %xmm9
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm6, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm9, %ymm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm8, %ymm12
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm5
+; AVX1-NEXT:    vpsubq %xmm4, %xmm2, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm4, %ymm10, %ymm4
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm6, %xmm2, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm3, %ymm1, %ymm1
+; AVX1-NEXT:    vpsubq %xmm7, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm8, %xmm2, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm12, %ymm3, %ymm12, %ymm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm0, %ymm11, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm5, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm0, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm4, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i8> %a to <16 x i64>
+  %bext = zext <16 x i8> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i8>
+  ret <16 x i8> %trunc
+}
+
+define <16 x i8> @abd_ext_v16i8_undef(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE2-LABEL: abd_ext_v16i8_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    pxor %xmm9, %xmm9
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm4 = xmm4[0],xmm9[0],xmm4[1],xmm9[1],xmm4[2],xmm9[2],xmm4[3],xmm9[3],xmm4[4],xmm9[4],xmm4[5],xmm9[5],xmm4[6],xmm9[6],xmm4[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm4, %xmm3
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm9[0],xmm3[1],xmm9[1],xmm3[2],xmm9[2],xmm3[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm3, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm9[0],xmm0[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm9[2],xmm3[3],xmm9[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm4 = xmm4[4],xmm9[4],xmm4[5],xmm9[5],xmm4[6],xmm9[6],xmm4[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm4, %xmm5
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm5 = xmm5[0],xmm9[0],xmm5[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm4 = xmm4[2],xmm9[2],xmm4[3],xmm9[3]
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm9[8],xmm2[9],xmm9[9],xmm2[10],xmm9[10],xmm2[11],xmm9[11],xmm2[12],xmm9[12],xmm2[13],xmm9[13],xmm2[14],xmm9[14],xmm2[15],xmm9[15]
+; SSE2-NEXT:    movdqa %xmm2, %xmm7
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm7 = xmm7[0],xmm9[0],xmm7[1],xmm9[1],xmm7[2],xmm9[2],xmm7[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm7, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm9[0],xmm6[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm7 = xmm7[2],xmm9[2],xmm7[3],xmm9[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm9[4],xmm2[5],xmm9[5],xmm2[6],xmm9[6],xmm2[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm2, %xmm8
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm8 = xmm8[0],xmm9[0],xmm8[1],xmm9[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm9[2],xmm2[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1],xmm10[2],xmm9[2],xmm10[3],xmm9[3],xmm10[4],xmm9[4],xmm10[5],xmm9[5],xmm10[6],xmm9[6],xmm10[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1],xmm11[2],xmm9[2],xmm11[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm11, %xmm12
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm12 = xmm12[0],xmm9[0],xmm12[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm12, %xmm0
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm11 = xmm11[2],xmm9[2],xmm11[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm11, %xmm3
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4],xmm9[4],xmm10[5],xmm9[5],xmm10[6],xmm9[6],xmm10[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm11, %xmm5
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm4
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8],xmm9[8],xmm1[9],xmm9[9],xmm1[10],xmm9[10],xmm1[11],xmm9[11],xmm1[12],xmm9[12],xmm1[13],xmm9[13],xmm1[14],xmm9[14],xmm1[15],xmm9[15]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1],xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    movdqa %xmm10, %xmm11
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm11 = xmm11[0],xmm9[0],xmm11[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm11, %xmm6
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm10 = xmm10[2],xmm9[2],xmm10[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm10, %xmm7
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm9[4],xmm1[5],xmm9[5],xmm1[6],xmm9[6],xmm1[7],xmm9[7]
+; SSE2-NEXT:    movdqa %xmm1, %xmm10
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm10 = xmm10[0],xmm9[0],xmm10[1],xmm9[1]
+; SSE2-NEXT:    psubq %xmm10, %xmm8
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm9[2],xmm1[3],xmm9[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm5, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm5
+; SSE2-NEXT:    psubq %xmm1, %xmm5
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm6, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm6
+; SSE2-NEXT:    psubq %xmm1, %xmm6
+; SSE2-NEXT:    movdqa %xmm7, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm7
+; SSE2-NEXT:    psubq %xmm1, %xmm7
+; SSE2-NEXT:    movdqa %xmm8, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm8
+; SSE2-NEXT:    psubq %xmm1, %xmm8
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa {{.*#+}} xmm1 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE2-NEXT:    pand %xmm1, %xmm2
+; SSE2-NEXT:    pand %xmm1, %xmm8
+; SSE2-NEXT:    packuswb %xmm2, %xmm8
+; SSE2-NEXT:    pand %xmm1, %xmm7
+; SSE2-NEXT:    pand %xmm1, %xmm6
+; SSE2-NEXT:    packuswb %xmm7, %xmm6
+; SSE2-NEXT:    packuswb %xmm8, %xmm6
+; SSE2-NEXT:    pand %xmm1, %xmm4
+; SSE2-NEXT:    pand %xmm1, %xmm5
+; SSE2-NEXT:    packuswb %xmm4, %xmm5
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pand %xmm1, %xmm0
+; SSE2-NEXT:    packuswb %xmm3, %xmm0
+; SSE2-NEXT:    packuswb %xmm5, %xmm0
+; SSE2-NEXT:    packuswb %xmm6, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v16i8_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    psrld $16, %xmm2
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,zero,zero,zero,zero,xmm2[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm9 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm0, %xmm4
+; SSE42-NEXT:    psrlq $48, %xmm4
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm5 = xmm4[0],zero,zero,zero,zero,zero,zero,zero,xmm4[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,zero,zero,zero,zero,xmm4[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm0, %xmm6
+; SSE42-NEXT:    psrldq {{.*#+}} xmm6 = xmm6[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,zero,zero,zero,zero,xmm6[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,zero,zero,zero,zero,xmm7[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrld $16, %xmm0
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm9
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrlq $48, %xmm0
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm6
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm7
+; SSE42-NEXT:    psrldq {{.*#+}} xmm1 = xmm1[14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm8
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm2, %xmm10
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm2
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm9, %xmm10
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm9
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm3, %xmm10
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm3
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm5, %xmm10
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm5
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm4, %xmm10
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm4
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm6, %xmm10
+; SSE42-NEXT:    movdqa %xmm6, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm6
+; SSE42-NEXT:    pxor %xmm10, %xmm10
+; SSE42-NEXT:    psubq %xmm7, %xmm10
+; SSE42-NEXT:    movdqa %xmm7, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm10, %xmm7
+; SSE42-NEXT:    psubq %xmm8, %xmm1
+; SSE42-NEXT:    movdqa %xmm8, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm8
+; SSE42-NEXT:    movapd {{.*#+}} xmm0 = [255,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0]
+; SSE42-NEXT:    andpd %xmm0, %xmm8
+; SSE42-NEXT:    andpd %xmm0, %xmm7
+; SSE42-NEXT:    packusdw %xmm8, %xmm7
+; SSE42-NEXT:    andpd %xmm0, %xmm6
+; SSE42-NEXT:    andpd %xmm0, %xmm4
+; SSE42-NEXT:    packusdw %xmm6, %xmm4
+; SSE42-NEXT:    packusdw %xmm7, %xmm4
+; SSE42-NEXT:    andpd %xmm0, %xmm5
+; SSE42-NEXT:    andpd %xmm0, %xmm3
+; SSE42-NEXT:    packusdw %xmm5, %xmm3
+; SSE42-NEXT:    andpd %xmm0, %xmm9
+; SSE42-NEXT:    andpd %xmm0, %xmm2
+; SSE42-NEXT:    packusdw %xmm2, %xmm9
+; SSE42-NEXT:    packusdw %xmm3, %xmm9
+; SSE42-NEXT:    packuswb %xmm4, %xmm9
+; SSE42-NEXT:    movdqa %xmm9, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v16i8_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm3 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm3[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm3[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm3[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm7 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm8 = xmm7[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm8[0],zero,zero,zero,xmm8[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm7[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm9 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm10 = xmm1[8],xmm2[8],xmm1[9],xmm2[9],xmm1[10],xmm2[10],xmm1[11],xmm2[11],xmm1[12],xmm2[12],xmm1[13],xmm2[13],xmm1[14],xmm2[14],xmm1[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm5, %xmm5
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm10 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm10[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm10[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm9, %xmm9
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm6, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm9, %ymm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm8, %ymm12
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm5
+; AVX1-NEXT:    vpsubq %xmm4, %xmm2, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm4, %ymm10, %ymm4
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm6, %xmm2, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm3, %ymm1, %ymm1
+; AVX1-NEXT:    vpsubq %xmm7, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm8, %xmm2, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm12, %ymm3, %ymm12, %ymm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm2, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm0, %ymm11, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i8_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm5, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm0, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm4, %ymm2, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm1, %ymm2, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm2, %ymm4, %ymm4
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i8> %a to <16 x i64>
+  %bext = zext <16 x i8> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i8>
+  ret <16 x i8> %trunc
+}
+
+define <8 x i16> @abd_ext_v8i16(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_ext_v8i16:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm5[4],xmm2[5],xmm5[5],xmm2[6],xmm5[6],xmm2[7],xmm5[7]
+; SSE2-NEXT:    movdqa %xmm2, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm3 = xmm3[0],xmm5[0],xmm3[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm5[2],xmm2[3],xmm5[3]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[1],xmm5[1],xmm0[2],xmm5[2],xmm0[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm5[0],xmm4[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm5[2],xmm0[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm6 = xmm6[4],xmm5[4],xmm6[5],xmm5[5],xmm6[6],xmm5[6],xmm6[7],xmm5[7]
+; SSE2-NEXT:    movdqa %xmm6, %xmm7
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm7 = xmm7[0],xmm5[0],xmm7[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm7, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm5[2],xmm6[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm6, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm5[0],xmm1[1],xmm5[1],xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm5[0],xmm6[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm6, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm4[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm3[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v8i16:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm5 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm2, %xmm6
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm2
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm5, %xmm6
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm5
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm3, %xmm6
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm3
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm4, %xmm6
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm4
+; SSE42-NEXT:    pblendw {{.*#+}} xmm4 = xmm4[0],xmm1[1,2,3],xmm4[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm3 = xmm3[0],xmm1[1,2,3],xmm3[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm4, %xmm3
+; SSE42-NEXT:    pblendw {{.*#+}} xmm5 = xmm5[0],xmm1[1,2,3],xmm5[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm2 = xmm2[0],xmm1[1,2,3],xmm2[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm2, %xmm5
+; SSE42-NEXT:    packusdw %xmm3, %xmm5
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v8i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i16> %a to <8 x i64>
+  %bext = zext <8 x i16> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 false)
+  %trunc = trunc <8 x i64> %abs to <8 x i16>
+  ret <8 x i16> %trunc
+}
+
+define <8 x i16> @abd_ext_v8i16_undef(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_ext_v8i16_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm5, %xmm5
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm5[4],xmm2[5],xmm5[5],xmm2[6],xmm5[6],xmm2[7],xmm5[7]
+; SSE2-NEXT:    movdqa %xmm2, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm3 = xmm3[0],xmm5[0],xmm3[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm5[2],xmm2[3],xmm5[3]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm5[0],xmm0[1],xmm5[1],xmm0[2],xmm5[2],xmm0[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm0, %xmm4
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm5[0],xmm4[1],xmm5[1]
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm0 = xmm0[2],xmm5[2],xmm0[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm6 = xmm6[4],xmm5[4],xmm6[5],xmm5[5],xmm6[6],xmm5[6],xmm6[7],xmm5[7]
+; SSE2-NEXT:    movdqa %xmm6, %xmm7
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm7 = xmm7[0],xmm5[0],xmm7[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm7, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm6 = xmm6[2],xmm5[2],xmm6[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm6, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm5[0],xmm1[1],xmm5[1],xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm6
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm6 = xmm6[0],xmm5[0],xmm6[1],xmm5[1]
+; SSE2-NEXT:    psubq %xmm6, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm5[2],xmm1[3],xmm5[3]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    psubq %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm4, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm4
+; SSE2-NEXT:    psubq %xmm1, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm4[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm3[0,2,2,3]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,1,0,2,4,5,6,7]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v8i16_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[1,1,1,1]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm5 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[3,3,3,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[1,1,1,1]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm2
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm5
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[3,3,3,3]
+; SSE42-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE42-NEXT:    psubq %xmm0, %xmm4
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm2, %xmm6
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm2
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm5, %xmm6
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm5
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm3, %xmm6
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm3
+; SSE42-NEXT:    pxor %xmm6, %xmm6
+; SSE42-NEXT:    psubq %xmm4, %xmm6
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm6, %xmm4
+; SSE42-NEXT:    pblendw {{.*#+}} xmm4 = xmm4[0],xmm1[1,2,3],xmm4[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm3 = xmm3[0],xmm1[1,2,3],xmm3[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm4, %xmm3
+; SSE42-NEXT:    pblendw {{.*#+}} xmm5 = xmm5[0],xmm1[1,2,3],xmm5[4],xmm1[5,6,7]
+; SSE42-NEXT:    pblendw {{.*#+}} xmm2 = xmm2[0],xmm1[1,2,3],xmm2[4],xmm1[5,6,7]
+; SSE42-NEXT:    packusdw %xmm2, %xmm5
+; SSE42-NEXT:    packusdw %xmm3, %xmm5
+; SSE42-NEXT:    movdqa %xmm5, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v8i16_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm4, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm5
+; AVX1-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX1-NEXT:    vpsubq %xmm3, %xmm6, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm6, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm5, %ymm2, %ymm5, %ymm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm6, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm6, %xmm3
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i16_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpackusdw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i16> %a to <8 x i64>
+  %bext = zext <8 x i16> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 true)
+  %trunc = trunc <8 x i64> %abs to <8 x i16>
+  ret <8 x i16> %trunc
+}
+
+define <4 x i32> @abd_ext_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_ext_v4i32:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm2, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movdqa %xmm1, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm4 = xmm4[2],xmm2[2],xmm4[3],xmm2[3]
+; SSE2-NEXT:    psubq %xmm4, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm3[0,2]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v4i32:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pxor %xmm4, %xmm4
+; SSE42-NEXT:    pmovzxdq {{.*#+}} xmm3 = xmm0[0],zero,xmm0[1],zero
+; SSE42-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm4[2],xmm2[3],xmm4[3]
+; SSE42-NEXT:    pmovzxdq {{.*#+}} xmm0 = xmm1[0],zero,xmm1[1],zero
+; SSE42-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm4[2],xmm1[3],xmm4[3]
+; SSE42-NEXT:    psubq %xmm1, %xmm2
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    psubq %xmm2, %xmm1
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm2
+; SSE42-NEXT:    psubq %xmm3, %xmm4
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm4, %xmm3
+; SSE42-NEXT:    shufps {{.*#+}} xmm3 = xmm3[0,2],xmm2[0,2]
+; SSE42-NEXT:    movaps %xmm3, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v4i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm3 = xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm4 = xmm1[2],xmm2[2],xmm1[3],xmm2[3]
+; AVX1-NEXT:    vpsubq %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm0, %ymm1
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqd %ymm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <4 x i32> %a to <4 x i64>
+  %bext = zext <4 x i32> %b to <4 x i64>
+  %sub = sub <4 x i64> %aext, %bext
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 false)
+  %trunc = trunc <4 x i64> %abs to <4 x i32>
+  ret <4 x i32> %trunc
+}
+
+define <4 x i32> @abd_ext_v4i32_undef(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_ext_v4i32_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pxor %xmm2, %xmm2
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm3 = xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
+; SSE2-NEXT:    movdqa %xmm1, %xmm4
+; SSE2-NEXT:    punpckhdq {{.*#+}} xmm4 = xmm4[2],xmm2[2],xmm4[3],xmm2[3]
+; SSE2-NEXT:    psubq %xmm4, %xmm3
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1]
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    movdqa %xmm3, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm3
+; SSE2-NEXT:    psubq %xmm1, %xmm3
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
+; SSE2-NEXT:    pxor %xmm1, %xmm0
+; SSE2-NEXT:    psubq %xmm1, %xmm0
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm3[0,2]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v4i32_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pxor %xmm4, %xmm4
+; SSE42-NEXT:    pmovzxdq {{.*#+}} xmm3 = xmm0[0],zero,xmm0[1],zero
+; SSE42-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm4[2],xmm2[3],xmm4[3]
+; SSE42-NEXT:    pmovzxdq {{.*#+}} xmm0 = xmm1[0],zero,xmm1[1],zero
+; SSE42-NEXT:    punpckhdq {{.*#+}} xmm1 = xmm1[2],xmm4[2],xmm1[3],xmm4[3]
+; SSE42-NEXT:    psubq %xmm1, %xmm2
+; SSE42-NEXT:    psubq %xmm0, %xmm3
+; SSE42-NEXT:    pxor %xmm1, %xmm1
+; SSE42-NEXT:    psubq %xmm2, %xmm1
+; SSE42-NEXT:    movdqa %xmm2, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm1, %xmm2
+; SSE42-NEXT:    psubq %xmm3, %xmm4
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm4, %xmm3
+; SSE42-NEXT:    shufps {{.*#+}} xmm3 = xmm3[0,2],xmm2[0,2]
+; SSE42-NEXT:    movaps %xmm3, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_ext_v4i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm3 = xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm4 = xmm1[2],xmm2[2],xmm1[3],xmm2[3]
+; AVX1-NEXT:    vpsubq %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm0, %ymm1
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqd %ymm0, %xmm0
+; AVX512-NEXT:    vzeroupper
+; AVX512-NEXT:    retq
+  %aext = zext <4 x i32> %a to <4 x i64>
+  %bext = zext <4 x i32> %b to <4 x i64>
+  %sub = sub <4 x i64> %aext, %bext
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 true)
+  %trunc = trunc <4 x i64> %abs to <4 x i32>
+  ret <4 x i32> %trunc
+}
+
+define <2 x i64> @abd_ext_v2i64(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_ext_v2i64:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    movq %xmm2, %rax
+; SSE2-NEXT:    movq %xmm0, %rcx
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE2-NEXT:    movq %xmm0, %rdx
+; SSE2-NEXT:    movq %xmm1, %rsi
+; SSE2-NEXT:    xorl %edi, %edi
+; SSE2-NEXT:    subq %rsi, %rcx
+; SSE2-NEXT:    movl $0, %esi
+; SSE2-NEXT:    sbbq %rsi, %rsi
+; SSE2-NEXT:    subq %rdx, %rax
+; SSE2-NEXT:    sbbq %rdi, %rdi
+; SSE2-NEXT:    sarq $63, %rdi
+; SSE2-NEXT:    xorq %rdi, %rax
+; SSE2-NEXT:    subq %rdi, %rax
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    xorq %rsi, %rcx
+; SSE2-NEXT:    subq %rsi, %rcx
+; SSE2-NEXT:    movq %rcx, %xmm0
+; SSE2-NEXT:    movq %rax, %xmm1
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v2i64:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movq %xmm0, %rax
+; SSE42-NEXT:    pextrq $1, %xmm0, %rcx
+; SSE42-NEXT:    movq %xmm1, %rdx
+; SSE42-NEXT:    pextrq $1, %xmm1, %rsi
+; SSE42-NEXT:    xorl %edi, %edi
+; SSE42-NEXT:    subq %rsi, %rcx
+; SSE42-NEXT:    movl $0, %esi
+; SSE42-NEXT:    sbbq %rsi, %rsi
+; SSE42-NEXT:    subq %rdx, %rax
+; SSE42-NEXT:    sbbq %rdi, %rdi
+; SSE42-NEXT:    sarq $63, %rdi
+; SSE42-NEXT:    xorq %rdi, %rax
+; SSE42-NEXT:    subq %rdi, %rax
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    xorq %rsi, %rcx
+; SSE42-NEXT:    subq %rsi, %rcx
+; SSE42-NEXT:    movq %rcx, %xmm1
+; SSE42-NEXT:    movq %rax, %xmm0
+; SSE42-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_ext_v2i64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovq %xmm0, %rax
+; AVX-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX-NEXT:    vmovq %xmm1, %rdx
+; AVX-NEXT:    vpextrq $1, %xmm1, %rsi
+; AVX-NEXT:    xorl %edi, %edi
+; AVX-NEXT:    subq %rsi, %rcx
+; AVX-NEXT:    movl $0, %esi
+; AVX-NEXT:    sbbq %rsi, %rsi
+; AVX-NEXT:    subq %rdx, %rax
+; AVX-NEXT:    sbbq %rdi, %rdi
+; AVX-NEXT:    sarq $63, %rdi
+; AVX-NEXT:    xorq %rdi, %rax
+; AVX-NEXT:    subq %rdi, %rax
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    xorq %rsi, %rcx
+; AVX-NEXT:    subq %rsi, %rcx
+; AVX-NEXT:    vmovq %rcx, %xmm0
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX-NEXT:    retq
+  %aext = zext <2 x i64> %a to <2 x i128>
+  %bext = zext <2 x i64> %b to <2 x i128>
+  %sub = sub <2 x i128> %aext, %bext
+  %abs = call <2 x i128> @llvm.abs.v2i128(<2 x i128> %sub, i1 false)
+  %trunc = trunc <2 x i128> %abs to <2 x i64>
+  ret <2 x i64> %trunc
+}
+
+define <2 x i64> @abd_ext_v2i64_undef(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_ext_v2i64_undef:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; SSE2-NEXT:    movq %xmm2, %rax
+; SSE2-NEXT:    movq %xmm0, %rcx
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[2,3,2,3]
+; SSE2-NEXT:    movq %xmm0, %rdx
+; SSE2-NEXT:    movq %xmm1, %rsi
+; SSE2-NEXT:    xorl %edi, %edi
+; SSE2-NEXT:    subq %rsi, %rcx
+; SSE2-NEXT:    movl $0, %esi
+; SSE2-NEXT:    sbbq %rsi, %rsi
+; SSE2-NEXT:    subq %rdx, %rax
+; SSE2-NEXT:    sbbq %rdi, %rdi
+; SSE2-NEXT:    sarq $63, %rdi
+; SSE2-NEXT:    xorq %rdi, %rax
+; SSE2-NEXT:    subq %rdi, %rax
+; SSE2-NEXT:    sarq $63, %rsi
+; SSE2-NEXT:    xorq %rsi, %rcx
+; SSE2-NEXT:    subq %rsi, %rcx
+; SSE2-NEXT:    movq %rcx, %xmm0
+; SSE2-NEXT:    movq %rax, %xmm1
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_ext_v2i64_undef:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movq %xmm0, %rax
+; SSE42-NEXT:    pextrq $1, %xmm0, %rcx
+; SSE42-NEXT:    movq %xmm1, %rdx
+; SSE42-NEXT:    pextrq $1, %xmm1, %rsi
+; SSE42-NEXT:    xorl %edi, %edi
+; SSE42-NEXT:    subq %rsi, %rcx
+; SSE42-NEXT:    movl $0, %esi
+; SSE42-NEXT:    sbbq %rsi, %rsi
+; SSE42-NEXT:    subq %rdx, %rax
+; SSE42-NEXT:    sbbq %rdi, %rdi
+; SSE42-NEXT:    sarq $63, %rdi
+; SSE42-NEXT:    xorq %rdi, %rax
+; SSE42-NEXT:    subq %rdi, %rax
+; SSE42-NEXT:    sarq $63, %rsi
+; SSE42-NEXT:    xorq %rsi, %rcx
+; SSE42-NEXT:    subq %rsi, %rcx
+; SSE42-NEXT:    movq %rcx, %xmm1
+; SSE42-NEXT:    movq %rax, %xmm0
+; SSE42-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_ext_v2i64_undef:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovq %xmm0, %rax
+; AVX-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX-NEXT:    vmovq %xmm1, %rdx
+; AVX-NEXT:    vpextrq $1, %xmm1, %rsi
+; AVX-NEXT:    xorl %edi, %edi
+; AVX-NEXT:    subq %rsi, %rcx
+; AVX-NEXT:    movl $0, %esi
+; AVX-NEXT:    sbbq %rsi, %rsi
+; AVX-NEXT:    subq %rdx, %rax
+; AVX-NEXT:    sbbq %rdi, %rdi
+; AVX-NEXT:    sarq $63, %rdi
+; AVX-NEXT:    xorq %rdi, %rax
+; AVX-NEXT:    subq %rdi, %rax
+; AVX-NEXT:    sarq $63, %rsi
+; AVX-NEXT:    xorq %rsi, %rcx
+; AVX-NEXT:    subq %rsi, %rcx
+; AVX-NEXT:    vmovq %rcx, %xmm0
+; AVX-NEXT:    vmovq %rax, %xmm1
+; AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX-NEXT:    retq
+  %aext = zext <2 x i64> %a to <2 x i128>
+  %bext = zext <2 x i64> %b to <2 x i128>
+  %sub = sub <2 x i128> %aext, %bext
+  %abs = call <2 x i128> @llvm.abs.v2i128(<2 x i128> %sub, i1 true)
+  %trunc = trunc <2 x i128> %abs to <2 x i64>
+  ret <2 x i64> %trunc
+}
+
+;
+; sub(umax(a,b),umin(a,b)) -> abdu(a,b)
+;
+
+define <16 x i8> @abd_minmax_v16i8(<16 x i8> %a, <16 x i8> %b) nounwind {
+; SSE-LABEL: abd_minmax_v16i8:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movdqa %xmm0, %xmm2
+; SSE-NEXT:    pminub %xmm1, %xmm2
+; SSE-NEXT:    pmaxub %xmm1, %xmm0
+; SSE-NEXT:    psubb %xmm2, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v16i8:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminub %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxub %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubb %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <16 x i8> @llvm.umin.v16i8(<16 x i8> %a, <16 x i8> %b)
+  %max = call <16 x i8> @llvm.umax.v16i8(<16 x i8> %a, <16 x i8> %b)
+  %sub = sub <16 x i8> %max, %min
+  ret <16 x i8> %sub
+}
+
+define <8 x i16> @abd_minmax_v8i16(<8 x i16> %a, <8 x i16> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v8i16:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    psubusw %xmm1, %xmm2
+; SSE2-NEXT:    psubusw %xmm0, %xmm1
+; SSE2-NEXT:    psubw %xmm0, %xmm2
+; SSE2-NEXT:    paddw %xmm1, %xmm2
+; SSE2-NEXT:    paddw %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v8i16:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pminuw %xmm1, %xmm2
+; SSE42-NEXT:    pmaxuw %xmm1, %xmm0
+; SSE42-NEXT:    psubw %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminuw %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxuw %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubw %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a, <8 x i16> %b)
+  %max = call <8 x i16> @llvm.umax.v8i16(<8 x i16> %a, <8 x i16> %b)
+  %sub = sub <8 x i16> %max, %min
+  ret <8 x i16> %sub
+}
+
+define <4 x i32> @abd_minmax_v4i32(<4 x i32> %a, <4 x i32> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v4i32:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [2147483648,2147483648,2147483648,2147483648]
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pxor %xmm2, %xmm3
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm5
+; SSE2-NEXT:    pand %xmm4, %xmm5
+; SSE2-NEXT:    pandn %xmm1, %xmm4
+; SSE2-NEXT:    por %xmm5, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm3
+; SSE2-NEXT:    pand %xmm3, %xmm0
+; SSE2-NEXT:    pandn %xmm1, %xmm3
+; SSE2-NEXT:    por %xmm3, %xmm0
+; SSE2-NEXT:    psubd %xmm4, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v4i32:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    pminud %xmm1, %xmm2
+; SSE42-NEXT:    pmaxud %xmm1, %xmm0
+; SSE42-NEXT:    psubd %xmm2, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX-LABEL: abd_minmax_v4i32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpminud %xmm1, %xmm0, %xmm2
+; AVX-NEXT:    vpmaxud %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vpsubd %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %min = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %a, <4 x i32> %b)
+  %max = call <4 x i32> @llvm.umax.v4i32(<4 x i32> %a, <4 x i32> %b)
+  %sub = sub <4 x i32> %max, %min
+  ret <4 x i32> %sub
+}
+
+define <2 x i64> @abd_minmax_v2i64(<2 x i64> %a, <2 x i64> %b) nounwind {
+; SSE2-LABEL: abd_minmax_v2i64:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    movdqa {{.*#+}} xmm2 = [9223372039002259456,9223372039002259456]
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pxor %xmm2, %xmm3
+; SSE2-NEXT:    pxor %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm3, %xmm4
+; SSE2-NEXT:    pshufd {{.*#+}} xmm5 = xmm4[0,0,2,2]
+; SSE2-NEXT:    movdqa %xmm3, %xmm6
+; SSE2-NEXT:    pcmpeqd %xmm2, %xmm6
+; SSE2-NEXT:    pshufd {{.*#+}} xmm6 = xmm6[1,1,3,3]
+; SSE2-NEXT:    pand %xmm6, %xmm5
+; SSE2-NEXT:    pshufd {{.*#+}} xmm4 = xmm4[1,1,3,3]
+; SSE2-NEXT:    por %xmm5, %xmm4
+; SSE2-NEXT:    movdqa %xmm0, %xmm5
+; SSE2-NEXT:    pand %xmm4, %xmm5
+; SSE2-NEXT:    pandn %xmm1, %xmm4
+; SSE2-NEXT:    por %xmm5, %xmm4
+; SSE2-NEXT:    pcmpgtd %xmm2, %xmm3
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm3[0,0,2,2]
+; SSE2-NEXT:    pand %xmm6, %xmm2
+; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[1,1,3,3]
+; SSE2-NEXT:    por %xmm2, %xmm3
+; SSE2-NEXT:    pand %xmm3, %xmm0
+; SSE2-NEXT:    pandn %xmm1, %xmm3
+; SSE2-NEXT:    por %xmm3, %xmm0
+; SSE2-NEXT:    psubq %xmm4, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE42-LABEL: abd_minmax_v2i64:
+; SSE42:       # %bb.0:
+; SSE42-NEXT:    movdqa %xmm0, %xmm2
+; SSE42-NEXT:    movdqa {{.*#+}} xmm4 = [9223372036854775808,9223372036854775808]
+; SSE42-NEXT:    movdqa %xmm0, %xmm3
+; SSE42-NEXT:    pxor %xmm4, %xmm3
+; SSE42-NEXT:    pxor %xmm1, %xmm4
+; SSE42-NEXT:    movdqa %xmm4, %xmm0
+; SSE42-NEXT:    pcmpgtq %xmm3, %xmm0
+; SSE42-NEXT:    movdqa %xmm1, %xmm5
+; SSE42-NEXT:    blendvpd %xmm0, %xmm2, %xmm5
+; SSE42-NEXT:    pcmpgtq %xmm4, %xmm3
+; SSE42-NEXT:    movdqa %xmm3, %xmm0
+; SSE42-NEXT:    blendvpd %xmm0, %xmm2, %xmm1
+; SSE42-NEXT:    psubq %xmm5, %xmm1
+; SSE42-NEXT:    movdqa %xmm1, %xmm0
+; SSE42-NEXT:    retq
+;
+; AVX1-LABEL: abd_minmax_v2i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [9223372036854775808,9223372036854775808]
+; AVX1-NEXT:    vpxor %xmm2, %xmm0, %xmm3
+; AVX1-NEXT:    vpxor %xmm2, %xmm1, %xmm2
+; AVX1-NEXT:    vpcmpgtq %xmm3, %xmm2, %xmm4
+; AVX1-NEXT:    vblendvpd %xmm4, %xmm0, %xmm1, %xmm4
+; AVX1-NEXT:    vpcmpgtq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vpsubq %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v2i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm2 = [9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %xmm2, %xmm0, %xmm3
+; AVX2-NEXT:    vpxor %xmm2, %xmm1, %xmm2
+; AVX2-NEXT:    vpcmpgtq %xmm3, %xmm2, %xmm4
+; AVX2-NEXT:    vblendvpd %xmm4, %xmm0, %xmm1, %xmm4
+; AVX2-NEXT:    vpcmpgtq %xmm2, %xmm3, %xmm2
+; AVX2-NEXT:    vblendvpd %xmm2, %xmm0, %xmm1, %xmm0
+; AVX2-NEXT:    vpsubq %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v2i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminuq %xmm1, %xmm0, %xmm2
+; AVX512-NEXT:    vpmaxuq %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    vpsubq %xmm2, %xmm0, %xmm0
+; AVX512-NEXT:    retq
+  %min = call <2 x i64> @llvm.umin.v2i64(<2 x i64> %a, <2 x i64> %b)
+  %max = call <2 x i64> @llvm.umax.v2i64(<2 x i64> %a, <2 x i64> %b)
+  %sub = sub <2 x i64> %max, %min
+  ret <2 x i64> %sub
+}
+
+declare <16 x i8> @llvm.abs.v16i8(<16 x i8>, i1)
+declare <8 x i16> @llvm.abs.v8i16(<8 x i16>, i1)
+declare <4 x i32> @llvm.abs.v4i32(<4 x i32>, i1)
+declare <2 x i64> @llvm.abs.v2i64(<2 x i64>, i1)
+declare <4 x i64> @llvm.abs.v4i64(<4 x i64>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <2 x i128> @llvm.abs.v2i128(<2 x i128>, i1)
+
+declare <16 x i8> @llvm.umax.v16i8(<16 x i8>, <16 x i8>)
+declare <8 x i16> @llvm.umax.v8i16(<8 x i16>, <8 x i16>)
+declare <4 x i32> @llvm.umax.v4i32(<4 x i32>, <4 x i32>)
+declare <2 x i64> @llvm.umax.v2i64(<2 x i64>, <2 x i64>)
+
+declare <16 x i8> @llvm.umin.v16i8(<16 x i8>, <16 x i8>)
+declare <8 x i16> @llvm.umin.v8i16(<8 x i16>, <8 x i16>)
+declare <4 x i32> @llvm.umin.v4i32(<4 x i32>, <4 x i32>)
+declare <2 x i64> @llvm.umin.v2i64(<2 x i64>, <2 x i64>)

diff  --git a/llvm/test/CodeGen/X86/abdu-vector-256.ll b/llvm/test/CodeGen/X86/abdu-vector-256.ll
new file mode 100644
index 000000000000..fa9ccd069570
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abdu-vector-256.ll
@@ -0,0 +1,1614 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx      | FileCheck %s --check-prefixes=AVX1
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx2     | FileCheck %s --check-prefixes=AVX2
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512vl | FileCheck %s --check-prefixes=AVX512
+
+;
+; trunc(abs(sub(zext(a),zext(b)))) -> abdu(a,b)
+;
+
+define <32 x i8> @abd_ext_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_ext_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    pushq %rax
+; AVX1-NEXT:    vmovdqa %ymm0, %ymm14
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm14[8],xmm2[8],xmm14[9],xmm2[9],xmm14[10],xmm2[10],xmm14[11],xmm2[11],xmm14[12],xmm2[12],xmm14[13],xmm2[13],xmm14[14],xmm2[14],xmm14[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vextractf128 $1, %ymm14, %xmm3
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm4 = xmm14[0],zero,xmm14[1],zero,xmm14[2],zero,xmm14[3],zero,xmm14[4],zero,xmm14[5],zero,xmm14[6],zero,xmm14[7],zero
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm1[8],xmm2[8],xmm1[9],xmm2[9],xmm1[10],xmm2[10],xmm1[11],xmm2[11],xmm1[12],xmm2[12],xmm1[13],xmm2[13],xmm1[14],xmm2[14],xmm1[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm13 = xmm13[0],zero,zero,zero,xmm13[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm13, %xmm5, %xmm5
+; AVX1-NEXT:    vmovdqu %ymm5, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm9, %xmm9
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm5
+; AVX1-NEXT:    vmovdqu %ymm5, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm0, %xmm8, %xmm8
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm5 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm12[0],zero,zero,zero,xmm12[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm12, %xmm7, %xmm7
+; AVX1-NEXT:    vmovdqu %ymm7, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm12[0],zero,zero,zero,xmm12[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm12, %xmm11, %xmm7
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm6, %xmm6
+; AVX1-NEXT:    vmovdqu %ymm6, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm4[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm10, %xmm12
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm11, %xmm11
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm4[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm14[0],zero,zero,zero,zero,zero,zero,zero,xmm14[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm5, %xmm10
+; AVX1-NEXT:    vpsrld $16, %xmm14, %xmm5
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,zero,zero,zero,zero,xmm5[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm5, %xmm15
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm14 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm5 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm1, %xmm13
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm6 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm5, %xmm5
+; AVX1-NEXT:    vpsrld $16, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm3
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm0, %ymm1
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm6
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm9, %ymm6
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm0
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm9 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm9, %ymm6
+; AVX1-NEXT:    vpsubq %xmm8, %xmm2, %xmm8
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm9, %ymm8
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm8, %ymm6, %ymm8
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm1 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm1, %ymm6
+; AVX1-NEXT:    vpsubq %xmm7, %xmm2, %xmm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm2, %xmm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm7, %ymm7
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm7, %ymm6, %ymm7
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm1 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm12, %ymm1, %ymm6
+; AVX1-NEXT:    vpsubq %xmm12, %xmm2, %xmm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm2, %xmm12
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm12, %ymm9
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm9, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm11, %ymm6
+; AVX1-NEXT:    vpsubq %xmm4, %xmm2, %xmm4
+; AVX1-NEXT:    vpsubq %xmm11, %xmm2, %xmm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm11, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm4, %ymm6, %ymm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm15, %ymm10, %ymm6
+; AVX1-NEXT:    vpsubq %xmm15, %xmm2, %xmm11
+; AVX1-NEXT:    vpsubq %xmm10, %xmm2, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm11, %ymm10, %ymm10
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm10, %ymm6, %ymm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm13, %ymm14, %ymm10
+; AVX1-NEXT:    vpsubq %xmm13, %xmm2, %xmm1
+; AVX1-NEXT:    vpsubq %xmm14, %xmm2, %xmm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm11, %ymm1
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm1, %ymm10, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm1
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm2
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm1, %ymm9, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm7, %ymm5
+; AVX1-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm10, %ymm5
+; AVX1-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm8, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vpackusdw %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm6, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vpackuswb %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    popq %rax
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm4 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm6 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero,xmm7[2],zero,zero,zero,xmm7[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm8 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm8 = xmm8[0],zero,zero,zero,xmm8[1],zero,zero,zero,xmm8[2],zero,zero,zero,xmm8[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm4, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm5, %ymm5
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm7, %ymm7
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm1
+; AVX2-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX2-NEXT:    vpsubq %ymm3, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm9, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm9, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm5, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm5, %ymm9, %ymm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm2, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX2-NEXT:    vpsubq %ymm0, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm9, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm8, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm8, %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm6
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm6 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm8, %ymm8
+; AVX2-NEXT:    vpackusdw %ymm8, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm6, %ymm7, %ymm7
+; AVX2-NEXT:    vpackusdw %ymm7, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm2, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm5, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm4, %ymm2
+; AVX2-NEXT:    vandpd %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpackusdw %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackuswb %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm6 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm6, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm5, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm3[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <32 x i8> %a to <32 x i64>
+  %bext = zext <32 x i8> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 false)
+  %trunc = trunc <32 x i64> %abs to <32 x i8>
+  ret <32 x i8> %trunc
+}
+
+define <32 x i8> @abd_ext_v32i8_undef(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_ext_v32i8_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    pushq %rax
+; AVX1-NEXT:    vmovdqa %ymm0, %ymm14
+; AVX1-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm14[8],xmm2[8],xmm14[9],xmm2[9],xmm14[10],xmm2[10],xmm14[11],xmm2[11],xmm14[12],xmm2[12],xmm14[13],xmm2[13],xmm14[14],xmm2[14],xmm14[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vextractf128 $1, %ymm14, %xmm3
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm3[8],xmm2[8],xmm3[9],xmm2[9],xmm3[10],xmm2[10],xmm3[11],xmm2[11],xmm3[12],xmm2[12],xmm3[13],xmm2[13],xmm3[14],xmm2[14],xmm3[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm4 = xmm14[0],zero,xmm14[1],zero,xmm14[2],zero,xmm14[3],zero,xmm14[4],zero,xmm14[5],zero,xmm14[6],zero,xmm14[7],zero
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm1[8],xmm2[8],xmm1[9],xmm2[9],xmm1[10],xmm2[10],xmm1[11],xmm2[11],xmm1[12],xmm2[12],xmm1[13],xmm2[13],xmm1[14],xmm2[14],xmm1[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm13 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm13 = xmm13[0],zero,zero,zero,xmm13[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm13, %xmm5, %xmm5
+; AVX1-NEXT:    vmovdqu %ymm5, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm9, %xmm9
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm5
+; AVX1-NEXT:    vmovdqu %ymm5, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm0, %xmm8, %xmm8
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm5 = xmm0[8],xmm2[8],xmm0[9],xmm2[9],xmm0[10],xmm2[10],xmm0[11],xmm2[11],xmm0[12],xmm2[12],xmm0[13],xmm2[13],xmm0[14],xmm2[14],xmm0[15],xmm2[15]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm12[0],zero,zero,zero,xmm12[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm12, %xmm7, %xmm7
+; AVX1-NEXT:    vmovdqu %ymm7, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm12 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm12 = xmm12[0],zero,zero,zero,xmm12[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm12, %xmm11, %xmm7
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm11, %xmm6, %xmm6
+; AVX1-NEXT:    vmovdqu %ymm6, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm11 = xmm4[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm11 = xmm11[0],zero,zero,zero,xmm11[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm10, %xmm12
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm10 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm11, %xmm11
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm4[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm14[0],zero,zero,zero,zero,zero,zero,zero,xmm14[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm10, %xmm5, %xmm10
+; AVX1-NEXT:    vpsrld $16, %xmm14, %xmm5
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,zero,zero,zero,zero,xmm5[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm1, %xmm1
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm5, %xmm15
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm14 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm5 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm5[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm14, %xmm14
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm5[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm5, %xmm1, %xmm13
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm5 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm6 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm5, %xmm5
+; AVX1-NEXT:    vpsrld $16, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,zero,zero,zero,zero,xmm3[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm3
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm0, %ymm1
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm6
+; AVX1-NEXT:    vpsubq %xmm0, %xmm2, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm9, %ymm6
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm0
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm9 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm9, %ymm6
+; AVX1-NEXT:    vpsubq %xmm8, %xmm2, %xmm8
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm8, %ymm9, %ymm8
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm8, %ymm6, %ymm8
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm1 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm1, %ymm6
+; AVX1-NEXT:    vpsubq %xmm7, %xmm2, %xmm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm2, %xmm7
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm7, %ymm7
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm7, %ymm6, %ymm7
+; AVX1-NEXT:    vmovdqu {{[-0-9]+}}(%r{{[sb]}}p), %ymm1 # 32-byte Reload
+; AVX1-NEXT:    vinsertf128 $1, %xmm12, %ymm1, %ymm6
+; AVX1-NEXT:    vpsubq %xmm12, %xmm2, %xmm9
+; AVX1-NEXT:    vpsubq %xmm1, %xmm2, %xmm12
+; AVX1-NEXT:    vinsertf128 $1, %xmm9, %ymm12, %ymm9
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm9, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm11, %ymm6
+; AVX1-NEXT:    vpsubq %xmm4, %xmm2, %xmm4
+; AVX1-NEXT:    vpsubq %xmm11, %xmm2, %xmm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm11, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm4, %ymm6, %ymm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm15, %ymm10, %ymm6
+; AVX1-NEXT:    vpsubq %xmm15, %xmm2, %xmm11
+; AVX1-NEXT:    vpsubq %xmm10, %xmm2, %xmm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm11, %ymm10, %ymm10
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm10, %ymm6, %ymm6
+; AVX1-NEXT:    vinsertf128 $1, %xmm13, %ymm14, %ymm10
+; AVX1-NEXT:    vpsubq %xmm13, %xmm2, %xmm1
+; AVX1-NEXT:    vpsubq %xmm14, %xmm2, %xmm11
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm11, %ymm1
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm1, %ymm10, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm5, %ymm1
+; AVX1-NEXT:    vpsubq %xmm3, %xmm2, %xmm3
+; AVX1-NEXT:    vpsubq %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm2, %ymm1, %ymm2
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [255,255,255,255]
+; AVX1-NEXT:    vandpd %ymm1, %ymm9, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm7, %ymm5
+; AVX1-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm10, %ymm5
+; AVX1-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX1-NEXT:    vpackusdw %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm2, %xmm2
+; AVX1-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vandpd %ymm1, %ymm8, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vpackusdw %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm6, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vpackuswb %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    popq %rax
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v32i8_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm4 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm2[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm6 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm7 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero,xmm7[2],zero,zero,zero,xmm7[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm8 = xmm6[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm8 = xmm8[0],zero,zero,zero,xmm8[1],zero,zero,zero,xmm8[2],zero,zero,zero,xmm8[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm3, %ymm3
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm10 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm4, %ymm4
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm5, %ymm5
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm10 = xmm9[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm10 = xmm10[0],zero,zero,zero,xmm10[1],zero,zero,zero,xmm10[2],zero,zero,zero,xmm10[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm10, %ymm7, %ymm7
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,zero,zero,zero,zero,xmm1[1],zero,zero,zero,zero,zero,zero,zero,xmm1[2],zero,zero,zero,zero,zero,zero,zero,xmm1[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm9, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm1
+; AVX2-NEXT:    vpxor %xmm6, %xmm6, %xmm6
+; AVX2-NEXT:    vpsubq %ymm3, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm9, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm9, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm5, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm5, %ymm9, %ymm5, %ymm5
+; AVX2-NEXT:    vpsubq %ymm2, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm9, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm7, %ymm9, %ymm7, %ymm7
+; AVX2-NEXT:    vpsubq %ymm0, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm9, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm8, %ymm6, %ymm9
+; AVX2-NEXT:    vblendvpd %ymm8, %ymm9, %ymm8, %ymm8
+; AVX2-NEXT:    vpsubq %ymm1, %ymm6, %ymm6
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm6 = [255,255,255,255]
+; AVX2-NEXT:    vandpd %ymm6, %ymm1, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm8, %ymm8
+; AVX2-NEXT:    vpackusdw %ymm8, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm0, %ymm0
+; AVX2-NEXT:    vandpd %ymm6, %ymm7, %ymm7
+; AVX2-NEXT:    vpackusdw %ymm7, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm2, %ymm1
+; AVX2-NEXT:    vandpd %ymm6, %ymm5, %ymm2
+; AVX2-NEXT:    vpackusdw %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vandpd %ymm6, %ymm4, %ymm2
+; AVX2-NEXT:    vandpd %ymm6, %ymm3, %ymm3
+; AVX2-NEXT:    vpackusdw %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackuswb %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v32i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm5 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm6 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm6, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm5, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm3[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <32 x i8> %a to <32 x i64>
+  %bext = zext <32 x i8> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 true)
+  %trunc = trunc <32 x i64> %abs to <32 x i8>
+  ret <32 x i8> %trunc
+}
+
+define <16 x i16> @abd_ext_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_ext_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm2, %ymm11, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm4, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm3, %ymm10, %ymm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm5, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm4, %ymm9, %ymm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm4 = ymm4[0],ymm1[1,2,3],ymm4[4],ymm1[5,6,7],ymm4[8],ymm1[9,10,11],ymm4[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm3 = ymm3[0],ymm1[1,2,3],ymm3[4],ymm1[5,6,7],ymm3[8],ymm1[9,10,11],ymm3[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm3, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero,xmm3[4],zero,zero,zero,xmm3[5],zero,zero,zero,xmm3[6],zero,zero,zero,xmm3[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i16> %a to <16 x i64>
+  %bext = zext <16 x i16> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i16>
+  ret <16 x i16> %trunc
+}
+
+define <16 x i16> @abd_ext_v16i16_undef(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_ext_v16i16_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm4 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm0[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm0[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm2, %xmm2
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm3, %xmm3
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm4, %xmm4
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm5, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[2,3,2,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm6, %xmm6
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm9 = xmm1[3,3,3,3]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm7, %xmm7
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm9, %xmm8, %xmm8
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm6, %ymm9
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm10
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm11
+; AVX1-NEXT:    vpxor %xmm12, %xmm12, %xmm12
+; AVX1-NEXT:    vpsubq %xmm3, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm12, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm11, %ymm2, %ymm11, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm12, %xmm3
+; AVX1-NEXT:    vpsubq %xmm4, %xmm12, %xmm4
+; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm4, %ymm3
+; AVX1-NEXT:    vblendvpd %ymm10, %ymm3, %ymm10, %ymm3
+; AVX1-NEXT:    vpsubq %xmm7, %xmm12, %xmm4
+; AVX1-NEXT:    vpsubq %xmm6, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm5, %ymm4
+; AVX1-NEXT:    vblendvpd %ymm9, %ymm4, %ymm9, %ymm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm12, %xmm0
+; AVX1-NEXT:    vpsubq %xmm8, %xmm12, %xmm5
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm5, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vmovapd {{.*#+}} ymm1 = [65535,65535,65535,65535]
+; AVX1-NEXT:    vandpd %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm4, %ymm4
+; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm0, %xmm0
+; AVX1-NEXT:    vandpd %ymm1, %ymm3, %ymm3
+; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX1-NEXT:    vpackusdw %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vandpd %ymm1, %ymm2, %ymm1
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vpackusdw %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v16i16_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm3 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX2-NEXT:    vpshufd {{.*#+}} xmm5 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm5, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm5, %ymm3, %ymm3
+; AVX2-NEXT:    vpsubq %ymm4, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm5, %ymm4, %ymm4
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm5
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm5, %ymm0, %ymm0
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5,6,7],ymm0[8],ymm1[9,10,11],ymm0[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm4 = ymm4[0],ymm1[1,2,3],ymm4[4],ymm1[5,6,7],ymm4[8],ymm1[9,10,11],ymm4[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm3 = ymm3[0],ymm1[1,2,3],ymm3[4],ymm1[5,6,7],ymm3[8],ymm1[9,10,11],ymm3[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpblendw {{.*#+}} ymm1 = ymm2[0],ymm1[1,2,3],ymm2[4],ymm1[5,6,7],ymm2[8],ymm1[9,10,11],ymm2[12],ymm1[13,14,15]
+; AVX2-NEXT:    vpackusdw %ymm1, %ymm3, %ymm1
+; AVX2-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,1,3]
+; AVX2-NEXT:    vpackusdw %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,1,3]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v16i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero,xmm3[4],zero,zero,zero,xmm3[5],zero,zero,zero,xmm3[6],zero,zero,zero,xmm3[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i16> %a to <16 x i64>
+  %bext = zext <16 x i16> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i16>
+  ret <16 x i16> %trunc
+}
+
+define <8 x i32> @abd_ext_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_ext_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm4 = xmm2[2],xmm3[2],xmm2[3],xmm3[3]
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm5 = xmm0[2],xmm3[2],xmm0[3],xmm3[3]
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm6
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm7 = xmm6[2],xmm3[2],xmm6[3],xmm3[3]
+; AVX1-NEXT:    vpsubq %xmm7, %xmm4, %xmm4
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm7 = xmm1[2],xmm3[2],xmm1[3],xmm3[3]
+; AVX1-NEXT:    vpsubq %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm6 = xmm6[0],zero,xmm6[1],zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm0, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm2, %ymm6
+; AVX1-NEXT:    vpsubq %xmm4, %xmm3, %xmm4
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm2, %ymm6, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm0 = ymm0[0],zero,ymm0[1],zero,ymm0[2],zero,ymm0[3],zero,ymm0[4],zero,ymm0[5],zero,ymm0[6],zero,ymm0[7],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm1 = ymm1[0],zero,ymm1[1],zero,ymm1[2],zero,ymm1[3],zero,ymm1[4],zero,ymm1[5],zero,ymm1[6],zero,ymm1[7],zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i32> %a to <8 x i64>
+  %bext = zext <8 x i32> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 false)
+  %trunc = trunc <8 x i64> %abs to <8 x i32>
+  ret <8 x i32> %trunc
+}
+
+define <8 x i32> @abd_ext_v8i32_undef(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_ext_v8i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm4 = xmm2[2],xmm3[2],xmm2[3],xmm3[3]
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm5 = xmm0[2],xmm3[2],xmm0[3],xmm3[3]
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm6
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm7 = xmm6[2],xmm3[2],xmm6[3],xmm3[3]
+; AVX1-NEXT:    vpsubq %xmm7, %xmm4, %xmm4
+; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm7 = xmm1[2],xmm3[2],xmm1[3],xmm3[3]
+; AVX1-NEXT:    vpsubq %xmm7, %xmm5, %xmm5
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm6 = xmm6[0],zero,xmm6[1],zero
+; AVX1-NEXT:    vpsubq %xmm6, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm0, %ymm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm2, %ymm6
+; AVX1-NEXT:    vpsubq %xmm4, %xmm3, %xmm4
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm2, %ymm2
+; AVX1-NEXT:    vblendvpd %ymm6, %ymm2, %ymm6, %ymm2
+; AVX1-NEXT:    vpsubq %xmm5, %xmm3, %xmm4
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v8i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm3
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
+; AVX2-NEXT:    vpsubq %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vperm2f128 {{.*#+}} ymm1 = ymm0[2,3],ymm2[2,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX2-NEXT:    vshufps {{.*#+}} ymm0 = ymm0[0,2],ymm1[0,2],ymm0[4,6],ymm1[4,6]
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v8i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm0 = ymm0[0],zero,ymm0[1],zero,ymm0[2],zero,ymm0[3],zero,ymm0[4],zero,ymm0[5],zero,ymm0[6],zero,ymm0[7],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm1 = ymm1[0],zero,ymm1[1],zero,ymm1[2],zero,ymm1[3],zero,ymm1[4],zero,ymm1[5],zero,ymm1[6],zero,ymm1[7],zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i32> %a to <8 x i64>
+  %bext = zext <8 x i32> %b to <8 x i64>
+  %sub = sub <8 x i64> %aext, %bext
+  %abs = call <8 x i64> @llvm.abs.v8i64(<8 x i64> %sub, i1 true)
+  %trunc = trunc <8 x i64> %abs to <8 x i32>
+  ret <8 x i32> %trunc
+}
+
+define <4 x i64> @abd_ext_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_ext_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovq %xmm0, %rax
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rdx
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX1-NEXT:    vmovq %xmm1, %r8
+; AVX1-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %r10
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX1-NEXT:    xorl %r11d, %r11d
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    movl $0, %edi
+; AVX1-NEXT:    sbbq %rdi, %rdi
+; AVX1-NEXT:    subq %r10, %rdx
+; AVX1-NEXT:    movl $0, %r10d
+; AVX1-NEXT:    sbbq %r10, %r10
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    movl $0, %r9d
+; AVX1-NEXT:    sbbq %r9, %r9
+; AVX1-NEXT:    subq %r8, %rax
+; AVX1-NEXT:    sbbq %r11, %r11
+; AVX1-NEXT:    sarq $63, %r11
+; AVX1-NEXT:    xorq %r11, %rax
+; AVX1-NEXT:    subq %r11, %rax
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    xorq %r9, %rcx
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    xorq %r10, %rdx
+; AVX1-NEXT:    subq %r10, %rdx
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    xorq %rdi, %rsi
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    vmovq %rsi, %xmm0
+; AVX1-NEXT:    vmovq %rdx, %xmm1
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX1-NEXT:    vmovq %rcx, %xmm1
+; AVX1-NEXT:    vmovq %rax, %xmm2
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rdx
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX2-NEXT:    vmovq %xmm1, %r8
+; AVX2-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %r10
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX2-NEXT:    xorl %r11d, %r11d
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    movl $0, %edi
+; AVX2-NEXT:    sbbq %rdi, %rdi
+; AVX2-NEXT:    subq %r10, %rdx
+; AVX2-NEXT:    movl $0, %r10d
+; AVX2-NEXT:    sbbq %r10, %r10
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    movl $0, %r9d
+; AVX2-NEXT:    sbbq %r9, %r9
+; AVX2-NEXT:    subq %r8, %rax
+; AVX2-NEXT:    sbbq %r11, %r11
+; AVX2-NEXT:    sarq $63, %r11
+; AVX2-NEXT:    xorq %r11, %rax
+; AVX2-NEXT:    subq %r11, %rax
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    xorq %r9, %rcx
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    xorq %r10, %rdx
+; AVX2-NEXT:    subq %r10, %rdx
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    xorq %rdi, %rsi
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    vmovq %rsi, %xmm0
+; AVX2-NEXT:    vmovq %rdx, %xmm1
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX2-NEXT:    vmovq %rcx, %xmm1
+; AVX2-NEXT:    vmovq %rax, %xmm2
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vmovq %xmm0, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rdx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX512-NEXT:    vmovq %xmm1, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %r10
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX512-NEXT:    xorl %r11d, %r11d
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    movl $0, %edi
+; AVX512-NEXT:    sbbq %rdi, %rdi
+; AVX512-NEXT:    subq %r10, %rdx
+; AVX512-NEXT:    movl $0, %r10d
+; AVX512-NEXT:    sbbq %r10, %r10
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    movl $0, %r9d
+; AVX512-NEXT:    sbbq %r9, %r9
+; AVX512-NEXT:    subq %r8, %rax
+; AVX512-NEXT:    sbbq %r11, %r11
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    xorq %r11, %rax
+; AVX512-NEXT:    subq %r11, %rax
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rcx
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %rdx
+; AVX512-NEXT:    subq %r10, %rdx
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    xorq %rdi, %rsi
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    vmovq %rsi, %xmm0
+; AVX512-NEXT:    vmovq %rdx, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vmovq %rcx, %xmm1
+; AVX512-NEXT:    vmovq %rax, %xmm2
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <4 x i64> %a to <4 x i128>
+  %bext = zext <4 x i64> %b to <4 x i128>
+  %sub = sub <4 x i128> %aext, %bext
+  %abs = call <4 x i128> @llvm.abs.v4i128(<4 x i128> %sub, i1 false)
+  %trunc = trunc <4 x i128> %abs to <4 x i64>
+  ret <4 x i64> %trunc
+}
+
+define <4 x i64> @abd_ext_v4i64_undef(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_ext_v4i64_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovq %xmm0, %rax
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %rdx
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX1-NEXT:    vmovq %xmm1, %r8
+; AVX1-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm0
+; AVX1-NEXT:    vmovq %xmm0, %r10
+; AVX1-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX1-NEXT:    xorl %r11d, %r11d
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    movl $0, %edi
+; AVX1-NEXT:    sbbq %rdi, %rdi
+; AVX1-NEXT:    subq %r10, %rdx
+; AVX1-NEXT:    movl $0, %r10d
+; AVX1-NEXT:    sbbq %r10, %r10
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    movl $0, %r9d
+; AVX1-NEXT:    sbbq %r9, %r9
+; AVX1-NEXT:    subq %r8, %rax
+; AVX1-NEXT:    sbbq %r11, %r11
+; AVX1-NEXT:    sarq $63, %r11
+; AVX1-NEXT:    xorq %r11, %rax
+; AVX1-NEXT:    subq %r11, %rax
+; AVX1-NEXT:    sarq $63, %r9
+; AVX1-NEXT:    xorq %r9, %rcx
+; AVX1-NEXT:    subq %r9, %rcx
+; AVX1-NEXT:    sarq $63, %r10
+; AVX1-NEXT:    xorq %r10, %rdx
+; AVX1-NEXT:    subq %r10, %rdx
+; AVX1-NEXT:    sarq $63, %rdi
+; AVX1-NEXT:    xorq %rdi, %rsi
+; AVX1-NEXT:    subq %rdi, %rsi
+; AVX1-NEXT:    vmovq %rsi, %xmm0
+; AVX1-NEXT:    vmovq %rdx, %xmm1
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX1-NEXT:    vmovq %rcx, %xmm1
+; AVX1-NEXT:    vmovq %rax, %xmm2
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_ext_v4i64_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovq %xmm0, %rax
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %rdx
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX2-NEXT:    vmovq %xmm1, %r8
+; AVX2-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX2-NEXT:    vmovq %xmm0, %r10
+; AVX2-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX2-NEXT:    xorl %r11d, %r11d
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    movl $0, %edi
+; AVX2-NEXT:    sbbq %rdi, %rdi
+; AVX2-NEXT:    subq %r10, %rdx
+; AVX2-NEXT:    movl $0, %r10d
+; AVX2-NEXT:    sbbq %r10, %r10
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    movl $0, %r9d
+; AVX2-NEXT:    sbbq %r9, %r9
+; AVX2-NEXT:    subq %r8, %rax
+; AVX2-NEXT:    sbbq %r11, %r11
+; AVX2-NEXT:    sarq $63, %r11
+; AVX2-NEXT:    xorq %r11, %rax
+; AVX2-NEXT:    subq %r11, %rax
+; AVX2-NEXT:    sarq $63, %r9
+; AVX2-NEXT:    xorq %r9, %rcx
+; AVX2-NEXT:    subq %r9, %rcx
+; AVX2-NEXT:    sarq $63, %r10
+; AVX2-NEXT:    xorq %r10, %rdx
+; AVX2-NEXT:    subq %r10, %rdx
+; AVX2-NEXT:    sarq $63, %rdi
+; AVX2-NEXT:    xorq %rdi, %rsi
+; AVX2-NEXT:    subq %rdi, %rsi
+; AVX2-NEXT:    vmovq %rsi, %xmm0
+; AVX2-NEXT:    vmovq %rdx, %xmm1
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX2-NEXT:    vmovq %rcx, %xmm1
+; AVX2-NEXT:    vmovq %rax, %xmm2
+; AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX2-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_ext_v4i64_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vmovq %xmm0, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %rdx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rsi
+; AVX512-NEXT:    vmovq %xmm1, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm1, %r9
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm0
+; AVX512-NEXT:    vmovq %xmm0, %r10
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rdi
+; AVX512-NEXT:    xorl %r11d, %r11d
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    movl $0, %edi
+; AVX512-NEXT:    sbbq %rdi, %rdi
+; AVX512-NEXT:    subq %r10, %rdx
+; AVX512-NEXT:    movl $0, %r10d
+; AVX512-NEXT:    sbbq %r10, %r10
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    movl $0, %r9d
+; AVX512-NEXT:    sbbq %r9, %r9
+; AVX512-NEXT:    subq %r8, %rax
+; AVX512-NEXT:    sbbq %r11, %r11
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    xorq %r11, %rax
+; AVX512-NEXT:    subq %r11, %rax
+; AVX512-NEXT:    sarq $63, %r9
+; AVX512-NEXT:    xorq %r9, %rcx
+; AVX512-NEXT:    subq %r9, %rcx
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %rdx
+; AVX512-NEXT:    subq %r10, %rdx
+; AVX512-NEXT:    sarq $63, %rdi
+; AVX512-NEXT:    xorq %rdi, %rsi
+; AVX512-NEXT:    subq %rdi, %rsi
+; AVX512-NEXT:    vmovq %rsi, %xmm0
+; AVX512-NEXT:    vmovq %rdx, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vmovq %rcx, %xmm1
+; AVX512-NEXT:    vmovq %rax, %xmm2
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    retq
+  %aext = zext <4 x i64> %a to <4 x i128>
+  %bext = zext <4 x i64> %b to <4 x i128>
+  %sub = sub <4 x i128> %aext, %bext
+  %abs = call <4 x i128> @llvm.abs.v4i128(<4 x i128> %sub, i1 true)
+  %trunc = trunc <4 x i128> %abs to <4 x i64>
+  ret <4 x i64> %trunc
+}
+
+;
+; sub(umax(a,b),umin(a,b)) -> abdu(a,b)
+;
+
+define <32 x i8> @abd_minmax_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminub %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminub %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxub %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubb %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxub %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubb %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminub %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxub %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminub %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxub %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <32 x i8> @llvm.umin.v32i8(<32 x i8> %a, <32 x i8> %b)
+  %max = call <32 x i8> @llvm.umax.v32i8(<32 x i8> %a, <32 x i8> %b)
+  %sub = sub <32 x i8> %max, %min
+  ret <32 x i8> %sub
+}
+
+define <16 x i16> @abd_minmax_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminuw %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminuw %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxuw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubw %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxuw %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubw %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminuw %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxuw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminuw %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxuw %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <16 x i16> @llvm.umin.v16i16(<16 x i16> %a, <16 x i16> %b)
+  %max = call <16 x i16> @llvm.umax.v16i16(<16 x i16> %a, <16 x i16> %b)
+  %sub = sub <16 x i16> %max, %min
+  ret <16 x i16> %sub
+}
+
+define <8 x i32> @abd_minmax_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpminud %xmm1, %xmm0, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm3
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX1-NEXT:    vpminud %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vpmaxud %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpsubd %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpmaxud %xmm3, %xmm4, %xmm1
+; AVX1-NEXT:    vpsubd %xmm5, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpminud %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vpmaxud %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubd %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminud %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxud %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubd %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <8 x i32> @llvm.umin.v8i32(<8 x i32> %a, <8 x i32> %b)
+  %max = call <8 x i32> @llvm.umax.v8i32(<8 x i32> %a, <8 x i32> %b)
+  %sub = sub <8 x i32> %max, %min
+  ret <8 x i32> %sub
+}
+
+define <4 x i64> @abd_minmax_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_minmax_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [9223372036854775808,9223372036854775808]
+; AVX1-NEXT:    vpxor %xmm2, %xmm0, %xmm3
+; AVX1-NEXT:    vpxor %xmm2, %xmm1, %xmm4
+; AVX1-NEXT:    vpcmpgtq %xmm3, %xmm4, %xmm5
+; AVX1-NEXT:    vblendvpd %xmm5, %xmm0, %xmm1, %xmm5
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm6
+; AVX1-NEXT:    vpxor %xmm2, %xmm6, %xmm7
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm8
+; AVX1-NEXT:    vpxor %xmm2, %xmm8, %xmm2
+; AVX1-NEXT:    vpcmpgtq %xmm7, %xmm2, %xmm9
+; AVX1-NEXT:    vblendvpd %xmm9, %xmm6, %xmm8, %xmm9
+; AVX1-NEXT:    vpcmpgtq %xmm4, %xmm3, %xmm3
+; AVX1-NEXT:    vblendvpd %xmm3, %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vpsubq %xmm5, %xmm0, %xmm0
+; AVX1-NEXT:    vpcmpgtq %xmm2, %xmm7, %xmm1
+; AVX1-NEXT:    vblendvpd %xmm1, %xmm6, %xmm8, %xmm1
+; AVX1-NEXT:    vpsubq %xmm9, %xmm1, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_minmax_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %ymm2, %ymm0, %ymm3
+; AVX2-NEXT:    vpxor %ymm2, %ymm1, %ymm2
+; AVX2-NEXT:    vpcmpgtq %ymm3, %ymm2, %ymm4
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm0, %ymm1, %ymm4
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm3, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_minmax_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminuq %ymm1, %ymm0, %ymm2
+; AVX512-NEXT:    vpmaxuq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %min = call <4 x i64> @llvm.umin.v4i64(<4 x i64> %a, <4 x i64> %b)
+  %max = call <4 x i64> @llvm.umax.v4i64(<4 x i64> %a, <4 x i64> %b)
+  %sub = sub <4 x i64> %max, %min
+  ret <4 x i64> %sub
+}
+
+;
+; abs(sub_nsw(x, y)) -> abdu(a,b)
+;
+
+define <32 x i8> @abd_subnsw_v32i8(<32 x i8> %a, <32 x i8> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v32i8:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubb %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsb %xmm0, %xmm0
+; AVX1-NEXT:    vpabsb %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v32i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubb %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsb %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v32i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubb %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsb %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <32 x i8> %a, %b
+  %abs = call <32 x i8> @llvm.abs.v32i8(<32 x i8> %sub, i1 false)
+  ret <32 x i8> %abs
+}
+
+define <16 x i16> @abd_subnsw_v16i16(<16 x i16> %a, <16 x i16> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v16i16:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubw %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubw %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsw %xmm0, %xmm0
+; AVX1-NEXT:    vpabsw %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v16i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubw %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsw %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v16i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubw %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsw %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <16 x i16> %a, %b
+  %abs = call <16 x i16> @llvm.abs.v16i16(<16 x i16> %sub, i1 false)
+  ret <16 x i16> %abs
+}
+
+define <8 x i32> @abd_subnsw_v8i32(<8 x i32> %a, <8 x i32> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v8i32:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubd %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpabsd %xmm0, %xmm0
+; AVX1-NEXT:    vpabsd %xmm2, %xmm1
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubd %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpabsd %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v8i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubd %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsd %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <8 x i32> %a, %b
+  %abs = call <8 x i32> @llvm.abs.v8i32(<8 x i32> %sub, i1 false)
+  ret <8 x i32> %abs
+}
+
+define <4 x i64> @abd_subnsw_v4i64(<4 x i64> %a, <4 x i64> %b) nounwind {
+; AVX1-LABEL: abd_subnsw_v4i64:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubq %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm1
+; AVX1-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX1-NEXT:    vpsubq %xmm2, %xmm3, %xmm2
+; AVX1-NEXT:    vpsubq %xmm0, %xmm3, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm1, %ymm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: abd_subnsw_v4i64:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubq %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: abd_subnsw_v4i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX512-NEXT:    vpabsq %ymm0, %ymm0
+; AVX512-NEXT:    retq
+  %sub = sub nsw <4 x i64> %a, %b
+  %abs = call <4 x i64> @llvm.abs.v4i64(<4 x i64> %sub, i1 false)
+  ret <4 x i64> %abs
+}
+
+declare <32 x i8> @llvm.abs.v32i8(<32 x i8>, i1)
+declare <16 x i16> @llvm.abs.v16i16(<16 x i16>, i1)
+declare <8 x i32> @llvm.abs.v8i32(<8 x i32>, i1)
+declare <4 x i64> @llvm.abs.v4i64(<4 x i64>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <32 x i64> @llvm.abs.v32i64(<32 x i64>, i1)
+declare <4 x i128> @llvm.abs.v4i128(<4 x i128>, i1)
+
+declare <32 x i8> @llvm.umax.v32i8(<32 x i8>, <32 x i8>)
+declare <16 x i16> @llvm.umax.v16i16(<16 x i16>, <16 x i16>)
+declare <8 x i32> @llvm.umax.v8i32(<8 x i32>, <8 x i32>)
+declare <4 x i64> @llvm.umax.v4i64(<4 x i64>, <4 x i64>)
+
+declare <32 x i8> @llvm.umin.v32i8(<32 x i8>, <32 x i8>)
+declare <16 x i16> @llvm.umin.v16i16(<16 x i16>, <16 x i16>)
+declare <8 x i32> @llvm.umin.v8i32(<8 x i32>, <8 x i32>)
+declare <4 x i64> @llvm.umin.v4i64(<4 x i64>, <4 x i64>)

diff  --git a/llvm/test/CodeGen/X86/abdu-vector-512.ll b/llvm/test/CodeGen/X86/abdu-vector-512.ll
new file mode 100644
index 000000000000..ab04fd62273a
--- /dev/null
+++ b/llvm/test/CodeGen/X86/abdu-vector-512.ll
@@ -0,0 +1,630 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX512,AVX512BW
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+avx512dq | FileCheck %s --check-prefixes=AVX512,AVX512DQ
+
+;
+; trunc(abs(sub(zext(a),zext(b)))) -> abdu(a,b)
+;
+
+define <64 x i8> @abd_ext_v64i8(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512-LABEL: abd_ext_v64i8:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm4 = xmm4[0],zero,xmm4[1],zero,xmm4[2],zero,xmm4[3],zero,xmm4[4],zero,xmm4[5],zero,xmm4[6],zero,xmm4[7],zero,xmm4[8],zero,xmm4[9],zero,xmm4[10],zero,xmm4[11],zero,xmm4[12],zero,xmm4[13],zero,xmm4[14],zero,xmm4[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm6 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm7 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm9
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm9[0],zero,xmm9[1],zero,xmm9[2],zero,xmm9[3],zero,xmm9[4],zero,xmm9[5],zero,xmm9[6],zero,xmm9[7],zero,xmm9[8],zero,xmm9[9],zero,xmm9[10],zero,xmm9[11],zero,xmm9[12],zero,xmm9[13],zero,xmm9[14],zero,xmm9[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm5, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm7, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm8, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm5, %zmm3
+; AVX512-NEXT:    vpabsq %zmm4, %zmm4
+; AVX512-NEXT:    vpabsq %zmm7, %zmm5
+; AVX512-NEXT:    vpabsq %zmm6, %zmm6
+; AVX512-NEXT:    vpabsq %zmm8, %zmm7
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm7, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm7[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm6, %xmm6
+; AVX512-NEXT:    vpmovqb %zmm5, %xmm5
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm5 = xmm5[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm5, %ymm0
+; AVX512-NEXT:    vpmovqb %zmm4, %xmm4
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <64 x i8> %a to <64 x i64>
+  %bext = zext <64 x i8> %b to <64 x i64>
+  %sub = sub <64 x i64> %aext, %bext
+  %abs = call <64 x i64> @llvm.abs.v64i64(<64 x i64> %sub, i1 false)
+  %trunc = trunc <64 x i64> %abs to <64 x i8>
+  ret <64 x i8> %trunc
+}
+
+define <64 x i8> @abd_ext_v64i8_undef(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512-LABEL: abd_ext_v64i8_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm4 = xmm4[0],zero,xmm4[1],zero,xmm4[2],zero,xmm4[3],zero,xmm4[4],zero,xmm4[5],zero,xmm4[6],zero,xmm4[7],zero,xmm4[8],zero,xmm4[9],zero,xmm4[10],zero,xmm4[11],zero,xmm4[12],zero,xmm4[13],zero,xmm4[14],zero,xmm4[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm6 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm7 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm6, %xmm6
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm8 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm2, %zmm2
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm9
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm9[0],zero,xmm9[1],zero,xmm9[2],zero,xmm9[3],zero,xmm9[4],zero,xmm9[5],zero,xmm9[6],zero,xmm9[7],zero,xmm9[8],zero,xmm9[9],zero,xmm9[10],zero,xmm9[11],zero,xmm9[12],zero,xmm9[13],zero,xmm9[14],zero,xmm9[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm5, %zmm5
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm4, %zmm4
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm9 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm10 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm10, %zmm7, %zmm7
+; AVX512-NEXT:    vextracti128 $1, %ymm9, %xmm9
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm9[0],zero,zero,zero,xmm9[1],zero,zero,zero,xmm9[2],zero,zero,zero,xmm9[3],zero,zero,zero,xmm9[4],zero,zero,zero,xmm9[5],zero,zero,zero,xmm9[6],zero,zero,zero,xmm9[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm6, %zmm6
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm9 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm9, %zmm8, %zmm8
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm3, %zmm1
+; AVX512-NEXT:    vpabsq %zmm2, %zmm2
+; AVX512-NEXT:    vpabsq %zmm5, %zmm3
+; AVX512-NEXT:    vpabsq %zmm4, %zmm4
+; AVX512-NEXT:    vpabsq %zmm7, %zmm5
+; AVX512-NEXT:    vpabsq %zmm6, %zmm6
+; AVX512-NEXT:    vpabsq %zmm8, %zmm7
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqb %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqb %zmm7, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm7[0],xmm0[0]
+; AVX512-NEXT:    vpmovqb %zmm6, %xmm6
+; AVX512-NEXT:    vpmovqb %zmm5, %xmm5
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm5 = xmm5[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm5, %ymm0
+; AVX512-NEXT:    vpmovqb %zmm4, %xmm4
+; AVX512-NEXT:    vpmovqb %zmm3, %xmm3
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; AVX512-NEXT:    vpmovqb %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqb %zmm1, %xmm1
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <64 x i8> %a to <64 x i64>
+  %bext = zext <64 x i8> %b to <64 x i64>
+  %sub = sub <64 x i64> %aext, %bext
+  %abs = call <64 x i64> @llvm.abs.v64i64(<64 x i64> %sub, i1 true)
+  %trunc = trunc <64 x i64> %abs to <64 x i8>
+  ret <64 x i8> %trunc
+}
+
+define <32 x i16> @abd_ext_v32i16(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512-LABEL: abd_ext_v32i16:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm3, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm3, %xmm3
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqw %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <32 x i16> %a to <32 x i64>
+  %bext = zext <32 x i16> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 false)
+  %trunc = trunc <32 x i64> %abs to <32 x i16>
+  ret <32 x i16> %trunc
+}
+
+define <32 x i16> @abd_ext_v32i16_undef(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512-LABEL: abd_ext_v32i16_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm3 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm0
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero,xmm4[4],zero,zero,zero,xmm4[5],zero,zero,zero,xmm4[6],zero,zero,zero,xmm4[7],zero,zero,zero
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm3, %zmm3
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm1
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero,xmm5[4],zero,zero,zero,xmm5[5],zero,zero,zero,xmm5[6],zero,zero,zero,xmm5[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm5, %zmm4, %zmm4
+; AVX512-NEXT:    vpmovzxwq {{.*#+}} zmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm3, %zmm2
+; AVX512-NEXT:    vpabsq %zmm4, %zmm3
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqw %zmm0, %xmm0
+; AVX512-NEXT:    vpmovqw %zmm3, %xmm3
+; AVX512-NEXT:    vinserti128 $1, %xmm3, %ymm0, %ymm0
+; AVX512-NEXT:    vpmovqw %zmm2, %xmm2
+; AVX512-NEXT:    vpmovqw %zmm1, %xmm1
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <32 x i16> %a to <32 x i64>
+  %bext = zext <32 x i16> %b to <32 x i64>
+  %sub = sub <32 x i64> %aext, %bext
+  %abs = call <32 x i64> @llvm.abs.v32i64(<32 x i64> %sub, i1 true)
+  %trunc = trunc <32 x i64> %abs to <32 x i16>
+  ret <32 x i16> %trunc
+}
+
+define <16 x i32> @abd_ext_v16i32(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_ext_v16i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm2 = ymm2[0],zero,ymm2[1],zero,ymm2[2],zero,ymm2[3],zero,ymm2[4],zero,ymm2[5],zero,ymm2[6],zero,ymm2[7],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm0 = ymm0[0],zero,ymm0[1],zero,ymm0[2],zero,ymm0[3],zero,ymm0[4],zero,ymm0[5],zero,ymm0[6],zero,ymm0[7],zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm3 = ymm3[0],zero,ymm3[1],zero,ymm3[2],zero,ymm3[3],zero,ymm3[4],zero,ymm3[5],zero,ymm3[6],zero,ymm3[7],zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm1 = ymm1[0],zero,ymm1[1],zero,ymm1[2],zero,ymm1[3],zero,ymm1[4],zero,ymm1[5],zero,ymm1[6],zero,ymm1[7],zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    vpmovqd %zmm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i32> %a to <16 x i64>
+  %bext = zext <16 x i32> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 false)
+  %trunc = trunc <16 x i64> %abs to <16 x i32>
+  ret <16 x i32> %trunc
+}
+
+define <16 x i32> @abd_ext_v16i32_undef(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_ext_v16i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm2 = ymm2[0],zero,ymm2[1],zero,ymm2[2],zero,ymm2[3],zero,ymm2[4],zero,ymm2[5],zero,ymm2[6],zero,ymm2[7],zero
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm0 = ymm0[0],zero,ymm0[1],zero,ymm0[2],zero,ymm0[3],zero,ymm0[4],zero,ymm0[5],zero,ymm0[6],zero,ymm0[7],zero
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm3 = ymm3[0],zero,ymm3[1],zero,ymm3[2],zero,ymm3[3],zero,ymm3[4],zero,ymm3[5],zero,ymm3[6],zero,ymm3[7],zero
+; AVX512-NEXT:    vpsubq %zmm3, %zmm2, %zmm2
+; AVX512-NEXT:    vpmovzxdq {{.*#+}} zmm1 = ymm1[0],zero,ymm1[1],zero,ymm1[2],zero,ymm1[3],zero,ymm1[4],zero,ymm1[5],zero,ymm1[6],zero,ymm1[7],zero
+; AVX512-NEXT:    vpsubq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpabsq %zmm2, %zmm1
+; AVX512-NEXT:    vpabsq %zmm0, %zmm0
+; AVX512-NEXT:    vpmovqd %zmm0, %ymm0
+; AVX512-NEXT:    vpmovqd %zmm1, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %aext = zext <16 x i32> %a to <16 x i64>
+  %bext = zext <16 x i32> %b to <16 x i64>
+  %sub = sub <16 x i64> %aext, %bext
+  %abs = call <16 x i64> @llvm.abs.v16i64(<16 x i64> %sub, i1 true)
+  %trunc = trunc <16 x i64> %abs to <16 x i32>
+  ret <16 x i32> %trunc
+}
+
+define <8 x i64> @abd_ext_v8i64(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_ext_v8i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm2, %rdx
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vmovq %xmm2, %rsi
+; AVX512-NEXT:    vpextrq $1, %xmm2, %rdi
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r9
+; AVX512-NEXT:    vpextrq $1, %xmm1, %rbx
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %rbp
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r13
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
+; AVX512-NEXT:    vmovq %xmm2, %r15
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r14
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r11
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r10
+; AVX512-NEXT:    xorl %r12d, %r12d
+; AVX512-NEXT:    subq %r10, %r9
+; AVX512-NEXT:    movl $0, %r10d
+; AVX512-NEXT:    sbbq %r10, %r10
+; AVX512-NEXT:    subq %r11, %r8
+; AVX512-NEXT:    movl $0, %r11d
+; AVX512-NEXT:    sbbq %r11, %r11
+; AVX512-NEXT:    subq %r14, %rdi
+; AVX512-NEXT:    movl $0, %r14d
+; AVX512-NEXT:    sbbq %r14, %r14
+; AVX512-NEXT:    subq %r15, %rsi
+; AVX512-NEXT:    movl $0, %r15d
+; AVX512-NEXT:    sbbq %r15, %r15
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    movl $0, %r13d
+; AVX512-NEXT:    sbbq %r13, %r13
+; AVX512-NEXT:    subq %rbp, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    movl $0, %ebp
+; AVX512-NEXT:    sbbq %rbp, %rbp
+; AVX512-NEXT:    subq %rbx, %rcx
+; AVX512-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    movl $0, %eax
+; AVX512-NEXT:    sbbq %rax, %rax
+; AVX512-NEXT:    vmovq %xmm0, %rbx
+; AVX512-NEXT:    vmovq %xmm1, %rcx
+; AVX512-NEXT:    subq %rcx, %rbx
+; AVX512-NEXT:    sbbq %r12, %r12
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    xorq %r12, %rbx
+; AVX512-NEXT:    subq %r12, %rbx
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    xorq %rax, %rcx
+; AVX512-NEXT:    subq %rax, %rcx
+; AVX512-NEXT:    movq %rcx, %rax
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    xorq %rbp, %rcx
+; AVX512-NEXT:    subq %rbp, %rcx
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    xorq %r13, %rdx
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    xorq %r15, %rsi
+; AVX512-NEXT:    subq %r15, %rsi
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    xorq %r14, %rdi
+; AVX512-NEXT:    subq %r14, %rdi
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    xorq %r11, %r8
+; AVX512-NEXT:    subq %r11, %r8
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %r9
+; AVX512-NEXT:    subq %r10, %r9
+; AVX512-NEXT:    vmovq %r9, %xmm0
+; AVX512-NEXT:    vmovq %r8, %xmm1
+; AVX512-NEXT:    vmovq %rdi, %xmm2
+; AVX512-NEXT:    vmovq %rsi, %xmm3
+; AVX512-NEXT:    vmovq %rdx, %xmm4
+; AVX512-NEXT:    vmovq %rcx, %xmm5
+; AVX512-NEXT:    vmovq %rax, %xmm6
+; AVX512-NEXT:    vmovq %rbx, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm5[0],xmm4[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm7[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i64> %a to <8 x i128>
+  %bext = zext <8 x i64> %b to <8 x i128>
+  %sub = sub <8 x i128> %aext, %bext
+  %abs = call <8 x i128> @llvm.abs.v8i128(<8 x i128> %sub, i1 false)
+  %trunc = trunc <8 x i128> %abs to <8 x i64>
+  ret <8 x i64> %trunc
+}
+
+define <8 x i64> @abd_ext_v8i64_undef(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_ext_v8i64_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    pushq %rbp
+; AVX512-NEXT:    pushq %r15
+; AVX512-NEXT:    pushq %r14
+; AVX512-NEXT:    pushq %r13
+; AVX512-NEXT:    pushq %r12
+; AVX512-NEXT:    pushq %rbx
+; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %rax
+; AVX512-NEXT:    vpextrq $1, %xmm2, %rdx
+; AVX512-NEXT:    vextracti64x4 $1, %zmm0, %ymm2
+; AVX512-NEXT:    vmovq %xmm2, %rsi
+; AVX512-NEXT:    vpextrq $1, %xmm2, %rdi
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r8
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r9
+; AVX512-NEXT:    vpextrq $1, %xmm1, %rbx
+; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %rbp
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r13
+; AVX512-NEXT:    vextracti64x4 $1, %zmm1, %ymm2
+; AVX512-NEXT:    vmovq %xmm2, %r15
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r14
+; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm2
+; AVX512-NEXT:    vmovq %xmm2, %r11
+; AVX512-NEXT:    vpextrq $1, %xmm2, %r10
+; AVX512-NEXT:    xorl %r12d, %r12d
+; AVX512-NEXT:    subq %r10, %r9
+; AVX512-NEXT:    movl $0, %r10d
+; AVX512-NEXT:    sbbq %r10, %r10
+; AVX512-NEXT:    subq %r11, %r8
+; AVX512-NEXT:    movl $0, %r11d
+; AVX512-NEXT:    sbbq %r11, %r11
+; AVX512-NEXT:    subq %r14, %rdi
+; AVX512-NEXT:    movl $0, %r14d
+; AVX512-NEXT:    sbbq %r14, %r14
+; AVX512-NEXT:    subq %r15, %rsi
+; AVX512-NEXT:    movl $0, %r15d
+; AVX512-NEXT:    sbbq %r15, %r15
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    movl $0, %r13d
+; AVX512-NEXT:    sbbq %r13, %r13
+; AVX512-NEXT:    subq %rbp, %rax
+; AVX512-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    movl $0, %ebp
+; AVX512-NEXT:    sbbq %rbp, %rbp
+; AVX512-NEXT:    subq %rbx, %rcx
+; AVX512-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; AVX512-NEXT:    movl $0, %eax
+; AVX512-NEXT:    sbbq %rax, %rax
+; AVX512-NEXT:    vmovq %xmm0, %rbx
+; AVX512-NEXT:    vmovq %xmm1, %rcx
+; AVX512-NEXT:    subq %rcx, %rbx
+; AVX512-NEXT:    sbbq %r12, %r12
+; AVX512-NEXT:    sarq $63, %r12
+; AVX512-NEXT:    xorq %r12, %rbx
+; AVX512-NEXT:    subq %r12, %rbx
+; AVX512-NEXT:    sarq $63, %rax
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    xorq %rax, %rcx
+; AVX512-NEXT:    subq %rax, %rcx
+; AVX512-NEXT:    movq %rcx, %rax
+; AVX512-NEXT:    sarq $63, %rbp
+; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    xorq %rbp, %rcx
+; AVX512-NEXT:    subq %rbp, %rcx
+; AVX512-NEXT:    sarq $63, %r13
+; AVX512-NEXT:    xorq %r13, %rdx
+; AVX512-NEXT:    subq %r13, %rdx
+; AVX512-NEXT:    sarq $63, %r15
+; AVX512-NEXT:    xorq %r15, %rsi
+; AVX512-NEXT:    subq %r15, %rsi
+; AVX512-NEXT:    sarq $63, %r14
+; AVX512-NEXT:    xorq %r14, %rdi
+; AVX512-NEXT:    subq %r14, %rdi
+; AVX512-NEXT:    sarq $63, %r11
+; AVX512-NEXT:    xorq %r11, %r8
+; AVX512-NEXT:    subq %r11, %r8
+; AVX512-NEXT:    sarq $63, %r10
+; AVX512-NEXT:    xorq %r10, %r9
+; AVX512-NEXT:    subq %r10, %r9
+; AVX512-NEXT:    vmovq %r9, %xmm0
+; AVX512-NEXT:    vmovq %r8, %xmm1
+; AVX512-NEXT:    vmovq %rdi, %xmm2
+; AVX512-NEXT:    vmovq %rsi, %xmm3
+; AVX512-NEXT:    vmovq %rdx, %xmm4
+; AVX512-NEXT:    vmovq %rcx, %xmm5
+; AVX512-NEXT:    vmovq %rax, %xmm6
+; AVX512-NEXT:    vmovq %rbx, %xmm7
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm1[0],xmm0[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm3[0],xmm2[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm5[0],xmm4[0]
+; AVX512-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm7[0],xmm6[0]
+; AVX512-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
+; AVX512-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512-NEXT:    popq %rbx
+; AVX512-NEXT:    popq %r12
+; AVX512-NEXT:    popq %r13
+; AVX512-NEXT:    popq %r14
+; AVX512-NEXT:    popq %r15
+; AVX512-NEXT:    popq %rbp
+; AVX512-NEXT:    retq
+  %aext = zext <8 x i64> %a to <8 x i128>
+  %bext = zext <8 x i64> %b to <8 x i128>
+  %sub = sub <8 x i128> %aext, %bext
+  %abs = call <8 x i128> @llvm.abs.v8i128(<8 x i128> %sub, i1 true)
+  %trunc = trunc <8 x i128> %abs to <8 x i64>
+  ret <8 x i64> %trunc
+}
+
+;
+; sub(umax(a,b),umin(a,b)) -> abdu(a,b)
+;
+
+define <64 x i8> @abd_minmax_v64i8(<64 x i8> %a, <64 x i8> %b) nounwind {
+; AVX512BW-LABEL: abd_minmax_v64i8:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpminub %zmm1, %zmm0, %zmm2
+; AVX512BW-NEXT:    vpmaxub %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpsubb %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_minmax_v64i8:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vpminub %ymm1, %ymm0, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm4
+; AVX512DQ-NEXT:    vpminub %ymm3, %ymm4, %ymm5
+; AVX512DQ-NEXT:    vpmaxub %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpsubb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpmaxub %ymm3, %ymm4, %ymm1
+; AVX512DQ-NEXT:    vpsubb %ymm5, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %min = call <64 x i8> @llvm.umin.v64i8(<64 x i8> %a, <64 x i8> %b)
+  %max = call <64 x i8> @llvm.umax.v64i8(<64 x i8> %a, <64 x i8> %b)
+  %sub = sub <64 x i8> %max, %min
+  ret <64 x i8> %sub
+}
+
+define <32 x i16> @abd_minmax_v32i16(<32 x i16> %a, <32 x i16> %b) nounwind {
+; AVX512BW-LABEL: abd_minmax_v32i16:
+; AVX512BW:       # %bb.0:
+; AVX512BW-NEXT:    vpminuw %zmm1, %zmm0, %zmm2
+; AVX512BW-NEXT:    vpmaxuw %zmm1, %zmm0, %zmm0
+; AVX512BW-NEXT:    vpsubw %zmm2, %zmm0, %zmm0
+; AVX512BW-NEXT:    retq
+;
+; AVX512DQ-LABEL: abd_minmax_v32i16:
+; AVX512DQ:       # %bb.0:
+; AVX512DQ-NEXT:    vpminuw %ymm1, %ymm0, %ymm2
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm1, %ymm3
+; AVX512DQ-NEXT:    vextracti64x4 $1, %zmm0, %ymm4
+; AVX512DQ-NEXT:    vpminuw %ymm3, %ymm4, %ymm5
+; AVX512DQ-NEXT:    vpmaxuw %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpsubw %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vpmaxuw %ymm3, %ymm4, %ymm1
+; AVX512DQ-NEXT:    vpsubw %ymm5, %ymm1, %ymm1
+; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT:    retq
+  %min = call <32 x i16> @llvm.umin.v32i16(<32 x i16> %a, <32 x i16> %b)
+  %max = call <32 x i16> @llvm.umax.v32i16(<32 x i16> %a, <32 x i16> %b)
+  %sub = sub <32 x i16> %max, %min
+  ret <32 x i16> %sub
+}
+
+define <16 x i32> @abd_minmax_v16i32(<16 x i32> %a, <16 x i32> %b) nounwind {
+; AVX512-LABEL: abd_minmax_v16i32:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminud %zmm1, %zmm0, %zmm2
+; AVX512-NEXT:    vpmaxud %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpsubd %zmm2, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %min = call <16 x i32> @llvm.umin.v16i32(<16 x i32> %a, <16 x i32> %b)
+  %max = call <16 x i32> @llvm.umax.v16i32(<16 x i32> %a, <16 x i32> %b)
+  %sub = sub <16 x i32> %max, %min
+  ret <16 x i32> %sub
+}
+
+define <8 x i64> @abd_minmax_v8i64(<8 x i64> %a, <8 x i64> %b) nounwind {
+; AVX512-LABEL: abd_minmax_v8i64:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpminuq %zmm1, %zmm0, %zmm2
+; AVX512-NEXT:    vpmaxuq %zmm1, %zmm0, %zmm0
+; AVX512-NEXT:    vpsubq %zmm2, %zmm0, %zmm0
+; AVX512-NEXT:    retq
+  %min = call <8 x i64> @llvm.umin.v8i64(<8 x i64> %a, <8 x i64> %b)
+  %max = call <8 x i64> @llvm.umax.v8i64(<8 x i64> %a, <8 x i64> %b)
+  %sub = sub <8 x i64> %max, %min
+  ret <8 x i64> %sub
+}
+
+declare <64 x i8> @llvm.abs.v64i8(<64 x i8>, i1)
+declare <32 x i16> @llvm.abs.v32i16(<32 x i16>, i1)
+declare <16 x i32> @llvm.abs.v16i32(<16 x i32>, i1)
+declare <8 x i64> @llvm.abs.v8i64(<8 x i64>, i1)
+declare <16 x i64> @llvm.abs.v16i64(<16 x i64>, i1)
+declare <32 x i64> @llvm.abs.v32i64(<32 x i64>, i1)
+declare <64 x i64> @llvm.abs.v64i64(<64 x i64>, i1)
+declare <8 x i128> @llvm.abs.v8i128(<8 x i128>, i1)
+
+declare <64 x i8> @llvm.umax.v64i8(<64 x i8>, <64 x i8>)
+declare <32 x i16> @llvm.umax.v32i16(<32 x i16>, <32 x i16>)
+declare <16 x i32> @llvm.umax.v16i32(<16 x i32>, <16 x i32>)
+declare <8 x i64> @llvm.umax.v8i64(<8 x i64>, <8 x i64>)
+
+declare <64 x i8> @llvm.umin.v64i8(<64 x i8>, <64 x i8>)
+declare <32 x i16> @llvm.umin.v32i16(<32 x i16>, <32 x i16>)
+declare <16 x i32> @llvm.umin.v16i32(<16 x i32>, <16 x i32>)
+declare <8 x i64> @llvm.umin.v8i64(<8 x i64>, <8 x i64>)


        


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