[llvm] r294128 - [X86][SSE] Add target cpu specific reciprocal tests
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Sun Feb 5 10:26:18 PST 2017
Author: rksimon
Date: Sun Feb 5 12:26:17 2017
New Revision: 294128
URL: http://llvm.org/viewvc/llvm-project?rev=294128&view=rev
Log:
[X86][SSE] Add target cpu specific reciprocal tests
As discussed on D26855, check individual cpu targets as part of the investigation into moving more combines to MachineCombiner
Modified:
llvm/trunk/test/CodeGen/X86/recip-fastmath.ll
llvm/trunk/test/CodeGen/X86/recip-fastmath2.ll
Modified: llvm/trunk/test/CodeGen/X86/recip-fastmath.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/recip-fastmath.ll?rev=294128&r1=294127&r2=294128&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/recip-fastmath.ll (original)
+++ llvm/trunk/test/CodeGen/X86/recip-fastmath.ll Sun Feb 5 12:26:17 2017
@@ -1,6 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge| FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX
; If the target's divss/divps instructions are substantially
; slower than rcpss/rcpps with a Newton-Raphson refinement,
@@ -39,15 +44,49 @@ define float @f32_one_step(float %x) #1
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; SANDY-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: f32_one_step:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast float 1.0, %x
ret float %div
}
@@ -70,19 +109,69 @@ define float @f32_two_step(float %x) #2
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulss %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddss %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubss %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; BTVER2-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; BTVER2-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; BTVER2-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; SANDY-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; SANDY-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; SANDY-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; SANDY-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: f32_two_step:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; AVX512-NEXT: vmovaps %xmm1, %xmm3
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast float 1.0, %x
ret float %div
}
@@ -95,11 +184,35 @@ define <4 x float> @v4f32_no_estimate(<4
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_no_estimate:
-; AVX: # BB#0:
-; AVX-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vdivps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_no_estimate:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_no_estimate:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v4f32_no_estimate:
+; SANDY: # BB#0:
+; SANDY-NEXT: vmovaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v4f32_no_estimate:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm1
+; HASWELL-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: v4f32_no_estimate:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %xmm1
+; AVX512-NEXT: vdivps %xmm0, %xmm1, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -116,15 +229,58 @@ define <4 x float> @v4f32_one_step(<4 x
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v4f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v4f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v4f32_one_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v4f32_one_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to4}, %xmm1, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; SKX-NEXT: retq
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -147,19 +303,80 @@ define <4 x float> @v4f32_two_step(<4 x
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulps %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddps %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubps %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; BTVER2-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; BTVER2-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; BTVER2-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v4f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; SANDY-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; SANDY-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; SANDY-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v4f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v4f32_two_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; KNL-NEXT: vmovaps %xmm1, %xmm3
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v4f32_two_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; SKX-NEXT: vmovaps %xmm1, %xmm3
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; SKX-NEXT: retq
%div = fdiv fast <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <4 x float> %div
}
@@ -175,11 +392,35 @@ define <8 x float> @v8f32_no_estimate(<8
; SSE-NEXT: movaps %xmm2, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_no_estimate:
-; AVX: # BB#0:
-; AVX-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vdivps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_no_estimate:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_no_estimate:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_no_estimate:
+; SANDY: # BB#0:
+; SANDY-NEXT: vmovaps {{.*#+}} ymm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_no_estimate:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm1
+; HASWELL-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: v8f32_no_estimate:
+; AVX512: # BB#0:
+; AVX512-NEXT: vbroadcastss {{.*}}(%rip), %ymm1
+; AVX512-NEXT: vdivps %ymm0, %ymm1, %ymm0
+; AVX512-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
@@ -203,15 +444,58 @@ define <8 x float> @v8f32_one_step(<8 x
; SSE-NEXT: movaps %xmm2, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_one_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm0, %ymm2, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_one_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_one_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; BTVER2-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_one_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; SANDY-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_one_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_one_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_one_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to8}, %ymm1, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
@@ -247,19 +531,80 @@ define <8 x float> @v8f32_two_step(<8 x
; SSE-NEXT: movaps %xmm3, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_two_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm2
-; AVX-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm2, %ymm3, %ymm2
-; AVX-NEXT: vmulps %ymm2, %ymm1, %ymm2
-; AVX-NEXT: vaddps %ymm2, %ymm1, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vsubps %ymm0, %ymm3, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_two_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; AVX-RECIP-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; AVX-RECIP-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_two_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; BTVER2-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; BTVER2-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; BTVER2-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; BTVER2-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_two_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; SANDY-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; SANDY-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; SANDY-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; SANDY-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_two_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; HASWELL-NEXT: vmovaps %ymm1, %ymm3
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_two_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; KNL-NEXT: vmovaps %ymm1, %ymm3
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_two_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; SKX-NEXT: vmovaps %ymm1, %ymm3
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
Modified: llvm/trunk/test/CodeGen/X86/recip-fastmath2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/recip-fastmath2.ll?rev=294128&r1=294127&r2=294128&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/recip-fastmath2.ll (original)
+++ llvm/trunk/test/CodeGen/X86/recip-fastmath2.ll Sun Feb 5 12:26:17 2017
@@ -1,6 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge| FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX
; It's the extra tests coverage for recip as discussed on D26855.
@@ -11,11 +16,35 @@ define float @f32_no_step_2(float %x) #3
; SSE-NEXT: mulss {{.*}}(%rip), %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_no_step_2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm0
-; AVX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_no_step_2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_no_step_2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm0
+; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: f32_no_step_2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm0
+; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: f32_no_step_2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm0
+; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: f32_no_step_2:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm0
+; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast float 1234.0, %x
ret float %div
}
@@ -33,16 +62,54 @@ define float @f32_one_step_2(float %x) #
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_one_step_2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_one_step_2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_one_step_2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: f32_one_step_2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; SANDY-NEXT: vsubss %xmm0, %xmm2, %xmm0
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: f32_one_step_2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: f32_one_step_2:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0
+; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast float 3456.0, %x
ret float %div
}
@@ -66,20 +133,74 @@ define float @f32_two_step_2(float %x) #
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: f32_two_step_2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpss %xmm0, %xmm0, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
-; AVX-NEXT: vsubss %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulss %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddss %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubss %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddss %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: f32_two_step_2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; AVX-RECIP-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: f32_two_step_2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; BTVER2-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; BTVER2-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; BTVER2-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: f32_two_step_2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm2
+; SANDY-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
+; SANDY-NEXT: vsubss %xmm2, %xmm3, %xmm2
+; SANDY-NEXT: vmulss %xmm2, %xmm1, %xmm2
+; SANDY-NEXT: vaddss %xmm2, %xmm1, %xmm1
+; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vsubss %xmm0, %xmm3, %xmm0
+; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: f32_two_step_2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1
+; HASWELL-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; HASWELL-NEXT: retq
+;
+; AVX512-LABEL: f32_two_step_2:
+; AVX512: # BB#0:
+; AVX512-NEXT: vrcp14ss %xmm0, %xmm0, %xmm1
+; AVX512-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; AVX512-NEXT: vmovaps %xmm1, %xmm3
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3
+; AVX512-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3
+; AVX512-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0
+; AVX512-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0
+; AVX512-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0
+; AVX512-NEXT: retq
%div = fdiv fast float 6789.0, %x
ret float %div
}
@@ -97,16 +218,64 @@ define <4 x float> @v4f32_one_step2(<4 x
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_one_step2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm0, %xmm2, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_one_step2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_one_step2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v4f32_one_step2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %xmm0, %xmm2, %xmm0
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v4f32_one_step2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v4f32_one_step2:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; KNL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v4f32_one_step2:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to4}, %xmm1, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0
+; SKX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; SKX-NEXT: retq
%div = fdiv fast <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x
ret <4 x float> %div
}
@@ -130,20 +299,86 @@ define <4 x float> @v4f32_two_step2(<4 x
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
-; AVX-LABEL: v4f32_two_step2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %xmm0, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm2
-; AVX-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %xmm2, %xmm3, %xmm2
-; AVX-NEXT: vmulps %xmm2, %xmm1, %xmm2
-; AVX-NEXT: vaddps %xmm2, %xmm1, %xmm1
-; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
-; AVX-NEXT: vsubps %xmm0, %xmm3, %xmm0
-; AVX-NEXT: vmulps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
-; AVX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v4f32_two_step2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; AVX-RECIP-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; AVX-RECIP-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; AVX-RECIP-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v4f32_two_step2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %xmm0, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; BTVER2-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; BTVER2-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; BTVER2-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; BTVER2-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; BTVER2-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v4f32_two_step2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %xmm0, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm2
+; SANDY-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %xmm2, %xmm3, %xmm2
+; SANDY-NEXT: vmulps %xmm2, %xmm1, %xmm2
+; SANDY-NEXT: vaddps %xmm2, %xmm1, %xmm1
+; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0
+; SANDY-NEXT: vsubps %xmm0, %xmm3, %xmm0
+; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0
+; SANDY-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v4f32_two_step2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %xmm0, %xmm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; HASWELL-NEXT: vmovaps %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; HASWELL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v4f32_two_step2:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %xmm0, %xmm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; KNL-NEXT: vmovaps %xmm1, %xmm3
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; KNL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; KNL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; KNL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v4f32_two_step2:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %xmm0, %xmm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %xmm2
+; SKX-NEXT: vmovaps %xmm1, %xmm3
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3
+; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3
+; SKX-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0
+; SKX-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0
+; SKX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0
+; SKX-NEXT: retq
%div = fdiv fast <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x
ret <4 x float> %div
}
@@ -169,16 +404,64 @@ define <8 x float> @v8f32_one_step2(<8 x
; SSE-NEXT: movaps %xmm3, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_one_step2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm0, %ymm2, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_one_step2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_one_step2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; BTVER2-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_one_step2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; SANDY-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %ymm0, %ymm2, %ymm0
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_one_step2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_one_step2:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_one_step2:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to8}, %ymm1, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0
+; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x
ret <8 x float> %div
}
@@ -216,20 +499,86 @@ define <8 x float> @v8f32_two_step2(<8 x
; SSE-NEXT: movaps %xmm3, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_two_step2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm2
-; AVX-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
-; AVX-NEXT: vsubps %ymm2, %ymm3, %ymm2
-; AVX-NEXT: vmulps %ymm2, %ymm1, %ymm2
-; AVX-NEXT: vaddps %ymm2, %ymm1, %ymm1
-; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
-; AVX-NEXT: vsubps %ymm0, %ymm3, %ymm0
-; AVX-NEXT: vmulps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vaddps %ymm0, %ymm1, %ymm0
-; AVX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_two_step2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; AVX-RECIP-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; AVX-RECIP-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; AVX-RECIP-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; AVX-RECIP-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_two_step2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; BTVER2-NEXT: vrcpps %ymm0, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; BTVER2-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; BTVER2-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; BTVER2-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; BTVER2-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_two_step2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm2
+; SANDY-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
+; SANDY-NEXT: vsubps %ymm2, %ymm3, %ymm2
+; SANDY-NEXT: vmulps %ymm2, %ymm1, %ymm2
+; SANDY-NEXT: vaddps %ymm2, %ymm1, %ymm1
+; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0
+; SANDY-NEXT: vsubps %ymm0, %ymm3, %ymm0
+; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0
+; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_two_step2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm1
+; HASWELL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; HASWELL-NEXT: vmovaps %ymm1, %ymm3
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; HASWELL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_two_step2:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm1
+; KNL-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; KNL-NEXT: vmovaps %ymm1, %ymm3
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; KNL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; KNL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_two_step2:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm1
+; SKX-NEXT: vbroadcastss {{.*}}(%rip), %ymm2
+; SKX-NEXT: vmovaps %ymm1, %ymm3
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3
+; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3
+; SKX-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0
+; SKX-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0
+; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x
ret <8 x float> %div
}
@@ -241,10 +590,35 @@ define <8 x float> @v8f32_no_step(<8 x f
; SSE-NEXT: rcpps %xmm1, %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_no_step:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_no_step:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_no_step:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vrcpps %ymm0, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_no_step:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_no_step:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_no_step:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_no_step:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x
ret <8 x float> %div
}
@@ -258,11 +632,41 @@ define <8 x float> @v8f32_no_step2(<8 x
; SSE-NEXT: mulps {{.*}}(%rip), %xmm1
; SSE-NEXT: retq
;
-; AVX-LABEL: v8f32_no_step2:
-; AVX: # BB#0:
-; AVX-NEXT: vrcpps %ymm0, %ymm0
-; AVX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
-; AVX-NEXT: retq
+; AVX-RECIP-LABEL: v8f32_no_step2:
+; AVX-RECIP: # BB#0:
+; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm0
+; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; AVX-RECIP-NEXT: retq
+;
+; BTVER2-LABEL: v8f32_no_step2:
+; BTVER2: # BB#0:
+; BTVER2-NEXT: vrcpps %ymm0, %ymm0
+; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; BTVER2-NEXT: retq
+;
+; SANDY-LABEL: v8f32_no_step2:
+; SANDY: # BB#0:
+; SANDY-NEXT: vrcpps %ymm0, %ymm0
+; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SANDY-NEXT: retq
+;
+; HASWELL-LABEL: v8f32_no_step2:
+; HASWELL: # BB#0:
+; HASWELL-NEXT: vrcpps %ymm0, %ymm0
+; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; HASWELL-NEXT: retq
+;
+; KNL-LABEL: v8f32_no_step2:
+; KNL: # BB#0:
+; KNL-NEXT: vrcpps %ymm0, %ymm0
+; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; KNL-NEXT: retq
+;
+; SKX-LABEL: v8f32_no_step2:
+; SKX: # BB#0:
+; SKX-NEXT: vrcp14ps %ymm0, %ymm0
+; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0
+; SKX-NEXT: retq
%div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x
ret <8 x float> %div
}
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