[llvm] r342623 - [NFC][x86][AArch64] Add BEXTR-like test patterns.
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 20 00:54:49 PDT 2018
Author: lebedevri
Date: Thu Sep 20 00:54:49 2018
New Revision: 342623
URL: http://llvm.org/viewvc/llvm-project?rev=342623&view=rev
Log:
[NFC][x86][AArch64] Add BEXTR-like test patterns.
Summary: Also, adjust the check prefixes so that we actually get to check the BMI1-only-case.
Reviewers: craig.topper, RKSimon, spatel, javed.absar
Reviewed By: RKSimon
Subscribers: kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D48490
Added:
llvm/trunk/test/CodeGen/AArch64/extract-bits.ll
llvm/trunk/test/CodeGen/X86/extract-bits.ll
Modified:
llvm/trunk/test/CodeGen/X86/extract-lowbits.ll
Added: llvm/trunk/test/CodeGen/AArch64/extract-bits.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/extract-bits.ll?rev=342623&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/extract-bits.ll (added)
+++ llvm/trunk/test/CodeGen/AArch64/extract-bits.ll Thu Sep 20 00:54:49 2018
@@ -0,0 +1,717 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s
+
+; *Please* keep in sync with test/CodeGen/X86/extract-bits.ll
+
+; https://bugs.llvm.org/show_bug.cgi?id=36419
+; https://bugs.llvm.org/show_bug.cgi?id=37603
+; https://bugs.llvm.org/show_bug.cgi?id=37610
+
+; Patterns:
+; a) (x >> start) & (1 << nbits) - 1
+; b) (x >> start) & ~(-1 << nbits)
+; c) (x >> start) & (-1 >> (32 - y))
+; d) (x >> start) << (32 - y) >> (32 - y)
+; are equivalent.
+
+; ---------------------------------------------------------------------------- ;
+; Pattern a. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_a0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_a0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: sub w9, w9, #1 // =1
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a1_indexzext(i32 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_a1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: sub w9, w9, #1 // =1
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %onebit = shl i32 1, %conv
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_a2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: sub w9, w9, #1 // =1
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a3_load_indexzext(i32* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_a3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: sub w9, w9, #1 // =1
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %onebit = shl i32 1, %conv
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_a4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: sub w9, w9, #1 // =1
+; CHECK-NEXT: and w0, w8, w9
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_a0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_a0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: sub x9, x9, #1 // =1
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a1_indexzext(i64 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_a1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: sub x9, x9, #1 // =1
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %onebit = shl i64 1, %conv
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_a2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: sub x9, x9, #1 // =1
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a3_load_indexzext(i64* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_a3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: sub x9, x9, #1 // =1
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %onebit = shl i64 1, %conv
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_a4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: sub x9, x9, #1 // =1
+; CHECK-NEXT: and x0, x8, x9
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern b. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_b0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_b0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov w9, #-1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: bic w0, w8, w9
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b1_indexzext(i32 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_b1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov w9, #-1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: bic w0, w8, w9
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %notmask = shl i32 -1, %conv
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_b2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: mov w9, #-1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: bic w0, w8, w9
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b3_load_indexzext(i32* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_b3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: mov w9, #-1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: bic w0, w8, w9
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %notmask = shl i32 -1, %conv
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_b4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov w9, #-1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsl w9, w9, w2
+; CHECK-NEXT: bic w0, w8, w9
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_b0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_b0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov x9, #-1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: bic x0, x8, x9
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b1_indexzext(i64 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_b1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov x9, #-1
+; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: bic x0, x8, x9
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %notmask = shl i64 -1, %conv
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_b2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: mov x9, #-1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: bic x0, x8, x9
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b3_load_indexzext(i64* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_b3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: mov x9, #-1
+; CHECK-NEXT: // kill: def $w2 killed $w2 def $x2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: bic x0, x8, x9
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %notmask = shl i64 -1, %conv
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_b4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: mov x9, #-1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsl x9, x9, x2
+; CHECK-NEXT: bic x0, x8, x9
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern c. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_c0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_c0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: neg w9, w2
+; CHECK-NEXT: mov w10, #-1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsr w9, w10, w9
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c1_indexzext(i32 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_c1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x20
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: mov w10, #-1
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsr w9, w10, w9
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %mask = lshr i32 -1, %sh_prom
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_c2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: neg w9, w2
+; CHECK-NEXT: mov w10, #-1
+; CHECK-NEXT: lsr w9, w10, w9
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c3_load_indexzext(i32* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_c3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x20
+; CHECK-NEXT: mov w10, #-1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: lsr w9, w10, w9
+; CHECK-NEXT: and w0, w9, w8
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %mask = lshr i32 -1, %sh_prom
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_c4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: neg w9, w2
+; CHECK-NEXT: mov w10, #-1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: lsr w9, w10, w9
+; CHECK-NEXT: and w0, w8, w9
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_c0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_c0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: neg x9, x2
+; CHECK-NEXT: mov x10, #-1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsr x9, x10, x9
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c1_indexzext(i64 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_c1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x40
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: mov x10, #-1
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsr x9, x10, x9
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %mask = lshr i64 -1, %sh_prom
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_c2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: neg x9, x2
+; CHECK-NEXT: mov x10, #-1
+; CHECK-NEXT: lsr x9, x10, x9
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c3_load_indexzext(i64* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_c3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x40
+; CHECK-NEXT: mov x10, #-1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: lsr x9, x10, x9
+; CHECK-NEXT: and x0, x9, x8
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %mask = lshr i64 -1, %sh_prom
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_c4_commutative:
+; CHECK: // %bb.0:
+; CHECK-NEXT: neg x9, x2
+; CHECK-NEXT: mov x10, #-1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: lsr x9, x10, x9
+; CHECK-NEXT: and x0, x8, x9
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern d. 32-bit.
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_d0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_d0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: neg w9, w2
+; CHECK-NEXT: lsl w8, w8, w9
+; CHECK-NEXT: lsr w0, w8, w9
+; CHECK-NEXT: ret
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %highbitscleared = shl i32 %shifted, %numhighbits
+ %masked = lshr i32 %highbitscleared, %numhighbits
+ ret i32 %masked
+}
+
+define i32 @bextr32_d1_indexzext(i32 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_d1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x20
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr w8, w0, w1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: lsl w8, w8, w9
+; CHECK-NEXT: lsr w0, w8, w9
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %highbitscleared = shl i32 %shifted, %sh_prom
+ %masked = lshr i32 %highbitscleared, %sh_prom
+ ret i32 %masked
+}
+
+define i32 @bextr32_d2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_d2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: neg w9, w2
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: lsl w8, w8, w9
+; CHECK-NEXT: lsr w0, w8, w9
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %highbitscleared = shl i32 %shifted, %numhighbits
+ %masked = lshr i32 %highbitscleared, %numhighbits
+ ret i32 %masked
+}
+
+define i32 @bextr32_d3_load_indexzext(i32* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr32_d3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr w8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x20
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: lsr w8, w8, w1
+; CHECK-NEXT: lsl w8, w8, w9
+; CHECK-NEXT: lsr w0, w8, w9
+; CHECK-NEXT: ret
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %highbitscleared = shl i32 %shifted, %sh_prom
+ %masked = lshr i32 %highbitscleared, %sh_prom
+ ret i32 %masked
+}
+
+; 64-bit.
+
+define i64 @bextr64_d0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_d0:
+; CHECK: // %bb.0:
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: neg x9, x2
+; CHECK-NEXT: lsl x8, x8, x9
+; CHECK-NEXT: lsr x0, x8, x9
+; CHECK-NEXT: ret
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %highbitscleared = shl i64 %shifted, %numhighbits
+ %masked = lshr i64 %highbitscleared, %numhighbits
+ ret i64 %masked
+}
+
+define i64 @bextr64_d1_indexzext(i64 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_d1_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: orr w9, wzr, #0x40
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: lsr x8, x0, x1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: lsl x8, x8, x9
+; CHECK-NEXT: lsr x0, x8, x9
+; CHECK-NEXT: ret
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %highbitscleared = shl i64 %shifted, %sh_prom
+ %masked = lshr i64 %highbitscleared, %sh_prom
+ ret i64 %masked
+}
+
+define i64 @bextr64_d2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_d2_load:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: neg x9, x2
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: lsl x8, x8, x9
+; CHECK-NEXT: lsr x0, x8, x9
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %highbitscleared = shl i64 %shifted, %numhighbits
+ %masked = lshr i64 %highbitscleared, %numhighbits
+ ret i64 %masked
+}
+
+define i64 @bextr64_d3_load_indexzext(i64* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; CHECK-LABEL: bextr64_d3_load_indexzext:
+; CHECK: // %bb.0:
+; CHECK-NEXT: ldr x8, [x0]
+; CHECK-NEXT: orr w9, wzr, #0x40
+; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1
+; CHECK-NEXT: sub w9, w9, w2
+; CHECK-NEXT: lsr x8, x8, x1
+; CHECK-NEXT: lsl x8, x8, x9
+; CHECK-NEXT: lsr x0, x8, x9
+; CHECK-NEXT: ret
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %highbitscleared = shl i64 %shifted, %sh_prom
+ %masked = lshr i64 %highbitscleared, %sh_prom
+ ret i64 %masked
+}
Added: llvm/trunk/test/CodeGen/X86/extract-bits.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/extract-bits.ll?rev=342623&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/extract-bits.ll (added)
+++ llvm/trunk/test/CodeGen/X86/extract-bits.ll Thu Sep 20 00:54:49 2018
@@ -0,0 +1,5642 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,NOBMI,X86-NOBMI
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1NOTBM,X86-BMI1NOTBM
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1TBM,X86-BMI1TBM
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1BMI2,X86-BMI1BMI2,BMI1TBM,X86-BMI1TBM,BMI1TBMBMI2,X86-BMI1TBMBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1BMI2,X86-BMI1BMI2,BMI1NOTBMBMI2,X86-BMI1NOTBMBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,NOBMI,X64-NOBMI
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1NOTBM,X64-BMI1NOTBM
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1TBM,X64-BMI1TBM
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1BMI2,X64-BMI1BMI2,BMI1TBM,X64-BMI1TBM,BMI1TBMBMI2,X64-BMI1TBMBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1BMI2,X64-BMI1BMI2,BMI1NOTBMBMI2,X64-BMI1NOTBMBMI2
+
+; *Please* keep in sync with test/CodeGen/AArch64/extract-bits.ll
+
+; https://bugs.llvm.org/show_bug.cgi?id=36419
+; https://bugs.llvm.org/show_bug.cgi?id=37603
+; https://bugs.llvm.org/show_bug.cgi?id=37610
+
+; Patterns:
+; a) (x >> start) & (1 << nbits) - 1
+; b) (x >> start) & ~(-1 << nbits)
+; c) (x >> start) & (-1 >> (32 - y))
+; d) (x >> start) << (32 - y) >> (32 - y)
+; are equivalent.
+
+declare void @use32(i32)
+declare void @use64(i64)
+
+; ---------------------------------------------------------------------------- ;
+; Pattern a. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_a0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: decl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: decl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a1_indexzext(i32 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: decl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: decl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %onebit = shl i32 1, %conv
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: decl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %esi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %esi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: decl %eax
+; X64-NOBMI-NEXT: andl %esi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %esi
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %esi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a3_load_indexzext(i32* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: decl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %esi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %esi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: decl %eax
+; X64-NOBMI-NEXT: andl %esi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %esi
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %esi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %onebit = shl i32 1, %conv
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_a4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: decl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: decl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+define i32 @bextr32_a5_skipextrauses(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_a5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: movl $1, %esi
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: decl %esi
+; X86-NOBMI-NEXT: andl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, (%esp)
+; X86-NOBMI-NEXT: calll use32
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: addl $4, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_a5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: movl $1, %esi
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: decl %esi
+; X86-BMI1NOTBM-NEXT: andl %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, (%esp)
+; X86-BMI1NOTBM-NEXT: calll use32
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: addl $4, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_a5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %edx, %esi
+; X86-BMI1BMI2-NEXT: movl %ecx, (%esp)
+; X86-BMI1BMI2-NEXT: calll use32
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: addl $8, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_a5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $1, %ebx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %ebx
+; X64-NOBMI-NEXT: decl %ebx
+; X64-NOBMI-NEXT: andl %edi, %ebx
+; X64-NOBMI-NEXT: movl %esi, %edi
+; X64-NOBMI-NEXT: callq use32
+; X64-NOBMI-NEXT: movl %ebx, %eax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_a5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $1, %ebx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X64-BMI1NOTBM-NEXT: decl %ebx
+; X64-BMI1NOTBM-NEXT: andl %edi, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %edi
+; X64-BMI1NOTBM-NEXT: callq use32
+; X64-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_a5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %ebx
+; X64-BMI1BMI2-NEXT: movl %esi, %edi
+; X64-BMI1BMI2-NEXT: callq use32
+; X64-BMI1BMI2-NEXT: movl %ebx, %eax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %onebit = shl i32 1, %numlowbits
+ %mask = add nsw i32 %onebit, -1
+ %masked = and i32 %mask, %shifted
+ call void @use32(i32 %numskipbits)
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_a0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB6_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB6_2:
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB6_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB6_4:
+; X86-NOBMI-NEXT: addl $-1, %eax
+; X86-NOBMI-NEXT: adcl $-1, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB6_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB6_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: movb %ch, %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %ch
+; X86-BMI1NOTBM-NEXT: je .LBB6_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB6_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB6_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB6_2:
+; X86-BMI1BMI2-NEXT: movl $1, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: movl %ebx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1BMI2-NEXT: shlxl %ebx, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %bl
+; X86-BMI1BMI2-NEXT: je .LBB6_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: xorl %eax, %eax
+; X86-BMI1BMI2-NEXT: .LBB6_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %eax
+; X86-BMI1BMI2-NEXT: adcl $-1, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: decq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a1_indexzext(i64 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB7_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB7_2:
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB7_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB7_4:
+; X86-NOBMI-NEXT: addl $-1, %eax
+; X86-NOBMI-NEXT: adcl $-1, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB7_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB7_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: movb %ch, %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %ch
+; X86-BMI1NOTBM-NEXT: je .LBB7_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB7_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB7_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB7_2:
+; X86-BMI1BMI2-NEXT: movl $1, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: movl %ebx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1BMI2-NEXT: shlxl %ebx, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %bl
+; X86-BMI1BMI2-NEXT: je .LBB7_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: xorl %eax, %eax
+; X86-BMI1BMI2-NEXT: .LBB7_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %eax
+; X86-BMI1BMI2-NEXT: adcl $-1, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: decq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %onebit = shl i64 1, %conv
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB8_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB8_2:
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB8_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB8_4:
+; X86-NOBMI-NEXT: addl $-1, %eax
+; X86-NOBMI-NEXT: adcl $-1, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB8_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB8_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: movb %ch, %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %ch
+; X86-BMI1NOTBM-NEXT: je .LBB8_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB8_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl (%eax), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%eax), %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB8_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB8_2:
+; X86-BMI1BMI2-NEXT: movl $1, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: movl %ebx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1BMI2-NEXT: shlxl %ebx, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %bl
+; X86-BMI1BMI2-NEXT: je .LBB8_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: xorl %eax, %eax
+; X86-BMI1BMI2-NEXT: .LBB8_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %eax
+; X86-BMI1BMI2-NEXT: adcl $-1, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq (%rdi), %rsi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rsi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: decq %rax
+; X64-NOBMI-NEXT: andq %rsi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rsi
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rsi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rsi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a3_load_indexzext(i64* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB9_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB9_2:
+; X86-NOBMI-NEXT: movl $1, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shldl %cl, %eax, %edx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB9_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB9_4:
+; X86-NOBMI-NEXT: addl $-1, %eax
+; X86-NOBMI-NEXT: adcl $-1, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB9_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB9_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: movb %ch, %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %ch
+; X86-BMI1NOTBM-NEXT: je .LBB9_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB9_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl (%eax), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%eax), %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB9_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB9_2:
+; X86-BMI1BMI2-NEXT: movl $1, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: movl %ebx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1BMI2-NEXT: shlxl %ebx, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %bl
+; X86-BMI1BMI2-NEXT: je .LBB9_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: xorl %eax, %eax
+; X86-BMI1BMI2-NEXT: .LBB9_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %eax
+; X86-BMI1BMI2-NEXT: adcl $-1, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq (%rdi), %rsi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rsi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: decq %rax
+; X64-NOBMI-NEXT: andq %rsi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rsi
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rsi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rsi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %onebit = shl i64 1, %conv
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_a4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl %esi, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB10_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB10_2:
+; X86-NOBMI-NEXT: movl $1, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shldl %cl, %esi, %edi
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB10_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %esi, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: .LBB10_4:
+; X86-NOBMI-NEXT: addl $-1, %esi
+; X86-NOBMI-NEXT: adcl $-1, %edi
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl %esi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB10_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB10_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: movb %ch, %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %esi, %edi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %ch
+; X86-BMI1NOTBM-NEXT: je .LBB10_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB10_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %esi
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edi
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %bl
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB10_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB10_2:
+; X86-BMI1BMI2-NEXT: movl $1, %edi
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: movl %ebx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %esi
+; X86-BMI1BMI2-NEXT: shlxl %ebx, %edi, %ecx
+; X86-BMI1BMI2-NEXT: testb $32, %bl
+; X86-BMI1BMI2-NEXT: je .LBB10_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ecx, %esi
+; X86-BMI1BMI2-NEXT: xorl %ecx, %ecx
+; X86-BMI1BMI2-NEXT: .LBB10_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %ecx
+; X86-BMI1BMI2-NEXT: adcl $-1, %esi
+; X86-BMI1BMI2-NEXT: andl %ecx, %eax
+; X86-BMI1BMI2-NEXT: andl %esi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movl $1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: decq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+define i64 @bextr64_a5_skipextrauses(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_a5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebp
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $12, %esp
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %esi, %ebp
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %ebp
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %ebx
+; X86-NOBMI-NEXT: testb $32, %al
+; X86-NOBMI-NEXT: je .LBB11_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %ebp, %ebx
+; X86-NOBMI-NEXT: xorl %ebp, %ebp
+; X86-NOBMI-NEXT: .LBB11_2:
+; X86-NOBMI-NEXT: movl $1, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shldl %cl, %esi, %edi
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: testb $32, %dl
+; X86-NOBMI-NEXT: je .LBB11_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %esi, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: .LBB11_4:
+; X86-NOBMI-NEXT: addl $-1, %esi
+; X86-NOBMI-NEXT: adcl $-1, %edi
+; X86-NOBMI-NEXT: andl %ebx, %esi
+; X86-NOBMI-NEXT: andl %ebp, %edi
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: calll use64
+; X86-NOBMI-NEXT: addl $16, %esp
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: movl %edi, %edx
+; X86-NOBMI-NEXT: addl $12, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: popl %ebp
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_a5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebp
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $12, %esp
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebp
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %ebp
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB11_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %ebp, %ebx
+; X86-BMI1NOTBM-NEXT: xorl %ebp, %ebp
+; X86-BMI1NOTBM-NEXT: .LBB11_2:
+; X86-BMI1NOTBM-NEXT: movl $1, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %esi, %edi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %dl
+; X86-BMI1NOTBM-NEXT: je .LBB11_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB11_4:
+; X86-BMI1NOTBM-NEXT: addl $-1, %esi
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edi
+; X86-BMI1NOTBM-NEXT: andl %ebx, %esi
+; X86-BMI1NOTBM-NEXT: andl %ebp, %edi
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: calll use64
+; X86-BMI1NOTBM-NEXT: addl $16, %esp
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: addl $12, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: popl %ebp
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_a5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebp
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $12, %esp
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %ebx
+; X86-BMI1BMI2-NEXT: shrxl %eax, %esi, %ebp
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB11_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %ebp, %ebx
+; X86-BMI1BMI2-NEXT: xorl %ebp, %ebp
+; X86-BMI1BMI2-NEXT: .LBB11_2:
+; X86-BMI1BMI2-NEXT: movl $1, %edi
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: movl %edx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %esi
+; X86-BMI1BMI2-NEXT: shlxl %edx, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %dl
+; X86-BMI1BMI2-NEXT: je .LBB11_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB11_4:
+; X86-BMI1BMI2-NEXT: addl $-1, %edi
+; X86-BMI1BMI2-NEXT: adcl $-1, %esi
+; X86-BMI1BMI2-NEXT: andl %ebx, %edi
+; X86-BMI1BMI2-NEXT: andl %ebp, %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-BMI1BMI2-NEXT: pushl %eax
+; X86-BMI1BMI2-NEXT: calll use64
+; X86-BMI1BMI2-NEXT: addl $16, %esp
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: movl %esi, %edx
+; X86-BMI1BMI2-NEXT: addl $12, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: popl %ebp
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_a5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movl $1, %ebx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rbx
+; X64-NOBMI-NEXT: decq %rbx
+; X64-NOBMI-NEXT: andq %rdi, %rbx
+; X64-NOBMI-NEXT: movq %rsi, %rdi
+; X64-NOBMI-NEXT: callq use64
+; X64-NOBMI-NEXT: movq %rbx, %rax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_a5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movl $1, %ebx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: decq %rbx
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rbx
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rdi
+; X64-BMI1NOTBM-NEXT: callq use64
+; X64-BMI1NOTBM-NEXT: movq %rbx, %rax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_a5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rbx
+; X64-BMI1BMI2-NEXT: movq %rsi, %rdi
+; X64-BMI1BMI2-NEXT: callq use64
+; X64-BMI1BMI2-NEXT: movq %rbx, %rax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %onebit = shl i64 1, %numlowbits
+ %mask = add nsw i64 %onebit, -1
+ %masked = and i64 %mask, %shifted
+ call void @use64(i64 %numskipbits)
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern b. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_b0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edx, %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $-1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: notl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b1_indexzext(i32 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edx, %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $-1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: notl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %notmask = shl i32 -1, %conv
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl (%edx), %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edx, %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %esi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %esi
+; X64-NOBMI-NEXT: movl $-1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: notl %eax
+; X64-NOBMI-NEXT: andl %esi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: movl $-1, %esi
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %esi
+; X64-BMI1NOTBM-NEXT: andnl %eax, %esi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b3_load_indexzext(i32* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl (%edx), %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edx, %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %esi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %esi
+; X64-NOBMI-NEXT: movl $-1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: notl %eax
+; X64-NOBMI-NEXT: andl %esi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: movl $-1, %esi
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %esi
+; X64-BMI1NOTBM-NEXT: andnl %eax, %esi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %conv = zext i8 %numlowbits to i32
+ %notmask = shl i32 -1, %conv
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_b4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edx, %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $-1, %eax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: notl %eax
+; X64-NOBMI-NEXT: andl %edi, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+define i32 @bextr32_b5_skipextrauses(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_b5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: movl $-1, %esi
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: notl %esi
+; X86-NOBMI-NEXT: andl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, (%esp)
+; X86-NOBMI-NEXT: calll use32
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: addl $4, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_b5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %edi
+; X86-BMI1NOTBM-NEXT: andnl %esi, %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, (%esp)
+; X86-BMI1NOTBM-NEXT: calll use32
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: addl $4, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_b5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %edx, %esi
+; X86-BMI1BMI2-NEXT: movl %ecx, (%esp)
+; X86-BMI1BMI2-NEXT: calll use32
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: addl $8, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_b5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrl %cl, %edi
+; X64-NOBMI-NEXT: movl $-1, %ebx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %ebx
+; X64-NOBMI-NEXT: notl %ebx
+; X64-NOBMI-NEXT: andl %edi, %ebx
+; X64-NOBMI-NEXT: movl %esi, %edi
+; X64-NOBMI-NEXT: callq use32
+; X64-NOBMI-NEXT: movl %ebx, %eax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_b5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %edi
+; X64-BMI1NOTBM-NEXT: callq use32
+; X64-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_b5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %ebx
+; X64-BMI1BMI2-NEXT: movl %esi, %edi
+; X64-BMI1BMI2-NEXT: callq use32
+; X64-BMI1BMI2-NEXT: movl %ebx, %eax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %notmask = shl i32 -1, %numlowbits
+ %mask = xor i32 %notmask, -1
+ %masked = and i32 %mask, %shifted
+ call void @use32(i32 %numskipbits)
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_b0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB18_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB18_2:
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: shldl %cl, %edx, %edx
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB18_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB18_4:
+; X86-NOBMI-NEXT: notl %edx
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB18_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB18_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB18_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB18_4:
+; X86-BMI1NOTBM-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB18_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB18_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %edi
+; X86-BMI1BMI2-NEXT: shlxl %eax, %edi, %ebx
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB18_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB18_4:
+; X86-BMI1BMI2-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movq $-1, %rax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: notq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b1_indexzext(i64 %val, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB19_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB19_2:
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: shldl %cl, %edx, %edx
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB19_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB19_4:
+; X86-NOBMI-NEXT: notl %edx
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB19_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB19_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB19_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB19_4:
+; X86-BMI1NOTBM-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB19_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB19_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %edi
+; X86-BMI1BMI2-NEXT: shlxl %eax, %edi, %ebx
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB19_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB19_4:
+; X86-BMI1BMI2-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movq $-1, %rax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: notq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %notmask = shl i64 -1, %conv
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB20_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB20_2:
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: shldl %cl, %edx, %edx
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB20_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB20_4:
+; X86-NOBMI-NEXT: notl %edx
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl (%edx), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%edx), %edi
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB20_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB20_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB20_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB20_4:
+; X86-BMI1NOTBM-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl (%edx), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%edx), %edi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edi, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB20_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB20_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %edi
+; X86-BMI1BMI2-NEXT: shlxl %eax, %edi, %ebx
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB20_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB20_4:
+; X86-BMI1BMI2-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq (%rdi), %rsi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rsi
+; X64-NOBMI-NEXT: movq $-1, %rax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: notq %rax
+; X64-NOBMI-NEXT: andq %rsi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: movq $-1, %rsi
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rsi
+; X64-BMI1NOTBM-NEXT: andnq %rax, %rsi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b3_load_indexzext(i64* %w, i8 zeroext %numskipbits, i8 zeroext %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB21_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB21_2:
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: shldl %cl, %edx, %edx
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB21_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB21_4:
+; X86-NOBMI-NEXT: notl %edx
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: notl %eax
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl (%edx), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%edx), %edi
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB21_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB21_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB21_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB21_4:
+; X86-BMI1NOTBM-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl (%edx), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%edx), %edi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edi, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB21_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB21_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %edi
+; X86-BMI1BMI2-NEXT: shlxl %eax, %edi, %ebx
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB21_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB21_4:
+; X86-BMI1BMI2-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq (%rdi), %rsi
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rsi
+; X64-NOBMI-NEXT: movq $-1, %rax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: notq %rax
+; X64-NOBMI-NEXT: andq %rsi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: movq $-1, %rsi
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rsi
+; X64-BMI1NOTBM-NEXT: andnq %rax, %rsi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %conv = zext i8 %numlowbits to i64
+ %notmask = shl i64 -1, %conv
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_b4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %ch
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl %esi, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB22_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB22_2:
+; X86-NOBMI-NEXT: movl $-1, %edi
+; X86-NOBMI-NEXT: movl $-1, %esi
+; X86-NOBMI-NEXT: movb %ch, %cl
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: shldl %cl, %edi, %edi
+; X86-NOBMI-NEXT: testb $32, %ch
+; X86-NOBMI-NEXT: je .LBB22_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %esi, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: .LBB22_4:
+; X86-NOBMI-NEXT: notl %edi
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: notl %esi
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB22_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB22_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB22_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB22_4:
+; X86-BMI1NOTBM-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB22_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB22_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %edi
+; X86-BMI1BMI2-NEXT: shlxl %eax, %edi, %ebx
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB22_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB22_4:
+; X86-BMI1BMI2-NEXT: andnl %edx, %edi, %edx
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebx, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movq $-1, %rax
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: notq %rax
+; X64-NOBMI-NEXT: andq %rdi, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+define i64 @bextr64_b5_skipextrauses(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_b5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebp
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $12, %esp
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %esi, %ebp
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %ebp
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %ebx
+; X86-NOBMI-NEXT: testb $32, %al
+; X86-NOBMI-NEXT: je .LBB23_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %ebp, %ebx
+; X86-NOBMI-NEXT: xorl %ebp, %ebp
+; X86-NOBMI-NEXT: .LBB23_2:
+; X86-NOBMI-NEXT: movl $-1, %esi
+; X86-NOBMI-NEXT: movl $-1, %edi
+; X86-NOBMI-NEXT: movl %edx, %ecx
+; X86-NOBMI-NEXT: shll %cl, %edi
+; X86-NOBMI-NEXT: shldl %cl, %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %dl
+; X86-NOBMI-NEXT: je .LBB23_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB23_4:
+; X86-NOBMI-NEXT: notl %esi
+; X86-NOBMI-NEXT: andl %ebp, %esi
+; X86-NOBMI-NEXT: notl %edi
+; X86-NOBMI-NEXT: andl %ebx, %edi
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: calll use64
+; X86-NOBMI-NEXT: addl $16, %esp
+; X86-NOBMI-NEXT: movl %edi, %eax
+; X86-NOBMI-NEXT: movl %esi, %edx
+; X86-NOBMI-NEXT: addl $12, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: popl %ebp
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_b5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebp
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $12, %esp
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %ebx, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebx, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB23_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB23_2:
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebx
+; X86-BMI1NOTBM-NEXT: movl $-1, %ebp
+; X86-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebp
+; X86-BMI1NOTBM-NEXT: shldl %cl, %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %dl
+; X86-BMI1NOTBM-NEXT: je .LBB23_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %ebp, %ebx
+; X86-BMI1NOTBM-NEXT: xorl %ebp, %ebp
+; X86-BMI1NOTBM-NEXT: .LBB23_4:
+; X86-BMI1NOTBM-NEXT: andnl %esi, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: andnl %edi, %ebp, %edi
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: calll use64
+; X86-BMI1NOTBM-NEXT: addl $16, %esp
+; X86-BMI1NOTBM-NEXT: movl %edi, %eax
+; X86-BMI1NOTBM-NEXT: movl %esi, %edx
+; X86-BMI1NOTBM-NEXT: addl $12, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: popl %ebp
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_b5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebp
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $12, %esp
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edi
+; X86-BMI1BMI2-NEXT: shrxl %eax, %esi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB23_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %esi, %edi
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: .LBB23_2:
+; X86-BMI1BMI2-NEXT: movl $-1, %ebp
+; X86-BMI1BMI2-NEXT: shlxl %edx, %ebp, %ebx
+; X86-BMI1BMI2-NEXT: movl %edx, %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %ebp, %ebp
+; X86-BMI1BMI2-NEXT: testb $32, %dl
+; X86-BMI1BMI2-NEXT: je .LBB23_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %ebp
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB23_4:
+; X86-BMI1BMI2-NEXT: andnl %esi, %ebp, %esi
+; X86-BMI1BMI2-NEXT: andnl %edi, %ebx, %edi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: pushl {{[0-9]+}}(%esp)
+; X86-BMI1BMI2-NEXT: pushl %eax
+; X86-BMI1BMI2-NEXT: calll use64
+; X86-BMI1BMI2-NEXT: addl $16, %esp
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: movl %esi, %edx
+; X86-BMI1BMI2-NEXT: addl $12, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: popl %ebp
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_b5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrq %cl, %rdi
+; X64-NOBMI-NEXT: movq $-1, %rbx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rbx
+; X64-NOBMI-NEXT: notq %rbx
+; X64-NOBMI-NEXT: andq %rdi, %rbx
+; X64-NOBMI-NEXT: movq %rsi, %rdi
+; X64-NOBMI-NEXT: callq use64
+; X64-NOBMI-NEXT: movq %rbx, %rax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_b5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rdi
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rbx
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rdi
+; X64-BMI1NOTBM-NEXT: callq use64
+; X64-BMI1NOTBM-NEXT: movq %rbx, %rax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_b5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rbx
+; X64-BMI1BMI2-NEXT: movq %rsi, %rdi
+; X64-BMI1BMI2-NEXT: callq use64
+; X64-BMI1BMI2-NEXT: movq %rbx, %rax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %notmask = shl i64 -1, %numlowbits
+ %mask = xor i64 %notmask, -1
+ %masked = and i64 %mask, %shifted
+ call void @use64(i64 %numskipbits)
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern c. 32-bit
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_c0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl %edi, %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c1_indexzext(i32 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl %edi, %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %mask = lshr i32 -1, %sh_prom
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c3_load_indexzext(i32* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %mask = lshr i32 -1, %sh_prom
+ %masked = and i32 %mask, %shifted
+ ret i32 %masked
+}
+
+define i32 @bextr32_c4_commutative(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl %edi, %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %shifted, %mask ; swapped order
+ ret i32 %masked
+}
+
+define i32 @bextr32_c5_skipextrauses(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_c5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl %eax, (%esp)
+; X86-NOBMI-NEXT: calll use32
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: addl $8, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_c5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, (%esp)
+; X86-BMI1NOTBM-NEXT: calll use32
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: addl $8, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_c5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %edx, %esi
+; X86-BMI1BMI2-NEXT: movl %ecx, (%esp)
+; X86-BMI1BMI2-NEXT: calll use32
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: addl $8, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_c5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %edi, %ebx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrl %cl, %ebx
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %ebx
+; X64-NOBMI-NEXT: shrl %cl, %ebx
+; X64-NOBMI-NEXT: movl %esi, %edi
+; X64-NOBMI-NEXT: callq use32
+; X64-NOBMI-NEXT: movl %ebx, %eax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_c5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %ebx
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %edi
+; X64-BMI1NOTBM-NEXT: callq use32
+; X64-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_c5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %ebx
+; X64-BMI1BMI2-NEXT: movl %esi, %edi
+; X64-BMI1BMI2-NEXT: callq use32
+; X64-BMI1BMI2-NEXT: movl %ebx, %eax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %mask = lshr i32 -1, %numhighbits
+ %masked = and i32 %mask, %shifted
+ call void @use32(i32 %numskipbits)
+ ret i32 %masked
+}
+
+; 64-bit
+
+define i64 @bextr64_c0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB30_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB30_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB30_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB30_4:
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB30_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB30_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB30_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB30_4:
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB30_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB30_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movl $-1, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB30_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB30_4:
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq %rdi, %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c1_indexzext(i64 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB31_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB31_2:
+; X86-NOBMI-NEXT: movb $64, %cl
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB31_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB31_4:
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB31_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB31_2:
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB31_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB31_4:
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB31_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB31_2:
+; X86-BMI1BMI2-NEXT: movb $64, %cl
+; X86-BMI1BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl $-1, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB31_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB31_4:
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq %rdi, %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %mask = lshr i64 -1, %sh_prom
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB32_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB32_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB32_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB32_4:
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB32_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB32_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB32_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB32_4:
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl (%eax), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%eax), %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB32_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB32_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movl $-1, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB32_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB32_4:
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq (%rdi), %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c3_load_indexzext(i64* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %esi
+; X86-NOBMI-NEXT: movl 4(%eax), %eax
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB33_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB33_2:
+; X86-NOBMI-NEXT: movb $64, %cl
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl $-1, %eax
+; X86-NOBMI-NEXT: movl $-1, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %eax, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB33_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB33_4:
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %esi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB33_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB33_2:
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB33_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB33_4:
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl (%eax), %esi
+; X86-BMI1BMI2-NEXT: movl 4(%eax), %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB33_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB33_2:
+; X86-BMI1BMI2-NEXT: movb $64, %cl
+; X86-BMI1BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl $-1, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %eax, %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB33_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB33_4:
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq (%rdi), %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %mask = lshr i64 -1, %sh_prom
+ %masked = and i64 %mask, %shifted
+ ret i64 %masked
+}
+
+define i64 @bextr64_c4_commutative(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c4_commutative:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl %esi, %edx
+; X86-NOBMI-NEXT: shrl %cl, %edx
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB34_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: .LBB34_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: movl $-1, %esi
+; X86-NOBMI-NEXT: movl $-1, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB34_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB34_4:
+; X86-NOBMI-NEXT: andl %edi, %edx
+; X86-NOBMI-NEXT: andl %esi, %eax
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl %esi, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB34_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB34_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB34_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB34_4:
+; X86-BMI1NOTBM-NEXT: andl %edi, %edx
+; X86-BMI1NOTBM-NEXT: andl %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c4_commutative:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB34_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB34_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movl $-1, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB34_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB34_4:
+; X86-BMI1BMI2-NEXT: andl %edi, %edx
+; X86-BMI1BMI2-NEXT: andl %esi, %eax
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c4_commutative:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq %rdi, %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c4_commutative:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %shifted, %mask ; swapped order
+ ret i64 %masked
+}
+
+define i64 @bextr64_c5_skipextrauses(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_c5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebp
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $12, %esp
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %esi, %ebx
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %ebx
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %edx
+; X86-NOBMI-NEXT: testb $32, %al
+; X86-NOBMI-NEXT: je .LBB35_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %ebx, %edx
+; X86-NOBMI-NEXT: xorl %ebx, %ebx
+; X86-NOBMI-NEXT: .LBB35_2:
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ebp
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: movl $-1, %esi
+; X86-NOBMI-NEXT: movl $-1, %edi
+; X86-NOBMI-NEXT: shrl %cl, %edi
+; X86-NOBMI-NEXT: shrdl %cl, %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB35_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: xorl %edi, %edi
+; X86-NOBMI-NEXT: .LBB35_4:
+; X86-NOBMI-NEXT: andl %ebx, %edi
+; X86-NOBMI-NEXT: andl %edx, %esi
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: pushl %ebp
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: calll use64
+; X86-NOBMI-NEXT: addl $16, %esp
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: movl %edi, %edx
+; X86-NOBMI-NEXT: addl $12, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: popl %ebp
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_c5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebp
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $12, %esp
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %ebx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %edx
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB35_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edx
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB35_2:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ebp
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: movl $-1, %edi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB35_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: xorl %edi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB35_4:
+; X86-BMI1NOTBM-NEXT: andl %ebx, %edi
+; X86-BMI1NOTBM-NEXT: andl %edx, %esi
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: pushl %ebp
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: calll use64
+; X86-BMI1NOTBM-NEXT: addl $16, %esp
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: addl $12, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: popl %ebp
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_c5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebp
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $12, %esp
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edx
+; X86-BMI1BMI2-NEXT: shrxl %eax, %esi, %ebx
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB35_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edx
+; X86-BMI1BMI2-NEXT: xorl %ebx, %ebx
+; X86-BMI1BMI2-NEXT: .LBB35_2:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ebp
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movl $-1, %esi
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %edi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB35_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: xorl %edi, %edi
+; X86-BMI1BMI2-NEXT: .LBB35_4:
+; X86-BMI1BMI2-NEXT: andl %ebx, %edi
+; X86-BMI1BMI2-NEXT: andl %edx, %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: pushl %ebp
+; X86-BMI1BMI2-NEXT: pushl %eax
+; X86-BMI1BMI2-NEXT: calll use64
+; X86-BMI1BMI2-NEXT: addl $16, %esp
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: movl %edi, %edx
+; X86-BMI1BMI2-NEXT: addl $12, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: popl %ebp
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_c5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movq %rdi, %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrq %cl, %rbx
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rbx
+; X64-NOBMI-NEXT: shrq %cl, %rbx
+; X64-NOBMI-NEXT: movq %rsi, %rdi
+; X64-NOBMI-NEXT: callq use64
+; X64-NOBMI-NEXT: movq %rbx, %rax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_c5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rdi
+; X64-BMI1NOTBM-NEXT: callq use64
+; X64-BMI1NOTBM-NEXT: movq %rbx, %rax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_c5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rbx
+; X64-BMI1BMI2-NEXT: movq %rsi, %rdi
+; X64-BMI1BMI2-NEXT: callq use64
+; X64-BMI1BMI2-NEXT: movq %rbx, %rax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %mask = lshr i64 -1, %numhighbits
+ %masked = and i64 %mask, %shifted
+ call void @use64(i64 %numskipbits)
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Pattern d. 32-bit.
+; ---------------------------------------------------------------------------- ;
+
+define i32 @bextr32_d0(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_d0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_d0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_d0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_d0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl %edi, %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_d0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_d0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %highbitscleared = shl i32 %shifted, %numhighbits
+ %masked = lshr i32 %highbitscleared, %numhighbits
+ ret i32 %masked
+}
+
+define i32 @bextr32_d1_indexzext(i32 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_d1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_d1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_d1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_d1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl %edi, %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_d1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_d1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %highbitscleared = shl i32 %shifted, %sh_prom
+ %masked = lshr i32 %highbitscleared, %sh_prom
+ ret i32 %masked
+}
+
+define i32 @bextr32_d2_load(i32* %w, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_d2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_d2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_d2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_d2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_d2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_d2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %highbitscleared = shl i32 %shifted, %numhighbits
+ %masked = lshr i32 %highbitscleared, %numhighbits
+ ret i32 %masked
+}
+
+define i32 @bextr32_d3_load_indexzext(i32* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_d3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shll %cl, %eax
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_d3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_d3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %dl
+; X86-BMI1BMI2-NEXT: shrxl %edx, (%ecx), %ecx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %ecx, %eax
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_d3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movl (%rdi), %eax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %eax
+; X64-NOBMI-NEXT: shrl %cl, %eax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_d3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_d3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxl %esi, (%rdi), %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %eax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i32, i32* %w
+ %skip = zext i8 %numskipbits to i32
+ %shifted = lshr i32 %val, %skip
+ %numhighbits = sub i8 32, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i32
+ %highbitscleared = shl i32 %shifted, %sh_prom
+ %masked = lshr i32 %highbitscleared, %sh_prom
+ ret i32 %masked
+}
+
+define i32 @bextr32_d5_skipextrauses(i32 %val, i32 %numskipbits, i32 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr32_d5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: xorl %ecx, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shll %cl, %esi
+; X86-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: movl %eax, (%esp)
+; X86-NOBMI-NEXT: calll use32
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: addl $8, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr32_d5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, (%esp)
+; X86-BMI1NOTBM-NEXT: calll use32
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: addl $8, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr32_d5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: bzhil %eax, %edx, %esi
+; X86-BMI1BMI2-NEXT: movl %ecx, (%esp)
+; X86-BMI1BMI2-NEXT: calll use32
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: addl $8, %esp
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr32_d5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movl %edi, %ebx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrl %cl, %ebx
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shll %cl, %ebx
+; X64-NOBMI-NEXT: shrl %cl, %ebx
+; X64-NOBMI-NEXT: movl %esi, %edi
+; X64-NOBMI-NEXT: callq use32
+; X64-NOBMI-NEXT: movl %ebx, %eax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr32_d5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %ebx
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %ebx
+; X64-BMI1NOTBM-NEXT: movl %esi, %edi
+; X64-BMI1NOTBM-NEXT: callq use32
+; X64-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr32_d5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI1BMI2-NEXT: bzhil %edx, %eax, %ebx
+; X64-BMI1BMI2-NEXT: movl %esi, %edi
+; X64-BMI1BMI2-NEXT: callq use32
+; X64-BMI1BMI2-NEXT: movl %ebx, %eax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i32 %val, %numskipbits
+ %numhighbits = sub i32 32, %numlowbits
+ %highbitscleared = shl i32 %shifted, %numhighbits
+ %masked = lshr i32 %highbitscleared, %numhighbits
+ call void @use32(i32 %numskipbits)
+ ret i32 %masked
+}
+
+; 64-bit.
+
+define i64 @bextr64_d0(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_d0:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: shrdl %cl, %edx, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB41_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB41_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shldl %cl, %edi, %eax
+; X86-NOBMI-NEXT: shll %cl, %edi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl %edi, %ebx
+; X86-NOBMI-NEXT: jne .LBB41_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %ebx
+; X86-NOBMI-NEXT: .LBB41_4:
+; X86-NOBMI-NEXT: movl %ebx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl $0, %edx
+; X86-NOBMI-NEXT: jne .LBB41_6
+; X86-NOBMI-NEXT: # %bb.5:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: .LBB41_6:
+; X86-NOBMI-NEXT: shrdl %cl, %ebx, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: jne .LBB41_8
+; X86-NOBMI-NEXT: # %bb.7:
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: .LBB41_8:
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_d0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB41_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB41_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X86-BMI1NOTBM-NEXT: jne .LBB41_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB41_4:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB41_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB41_6:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB41_8
+; X86-BMI1NOTBM-NEXT: # %bb.7:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: .LBB41_8:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_d0:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB41_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: .LBB41_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shlxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB41_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: movl $0, %edi
+; X86-BMI1BMI2-NEXT: .LBB41_4:
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %eax
+; X86-BMI1BMI2-NEXT: jne .LBB41_6
+; X86-BMI1BMI2-NEXT: # %bb.5:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: .LBB41_6:
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: jne .LBB41_8
+; X86-BMI1BMI2-NEXT: # %bb.7:
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: .LBB41_8:
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_d0:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq %rdi, %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_d0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_d0:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %highbitscleared = shl i64 %shifted, %numhighbits
+ %masked = lshr i64 %highbitscleared, %numhighbits
+ ret i64 %masked
+}
+
+define i64 @bextr64_d1_indexzext(i64 %val, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_d1_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: shrdl %cl, %edx, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB42_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB42_2:
+; X86-NOBMI-NEXT: movb $64, %cl
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shldl %cl, %edi, %eax
+; X86-NOBMI-NEXT: shll %cl, %edi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl %edi, %ebx
+; X86-NOBMI-NEXT: jne .LBB42_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %ebx
+; X86-NOBMI-NEXT: .LBB42_4:
+; X86-NOBMI-NEXT: movl %ebx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl $0, %edx
+; X86-NOBMI-NEXT: jne .LBB42_6
+; X86-NOBMI-NEXT: # %bb.5:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: .LBB42_6:
+; X86-NOBMI-NEXT: shrdl %cl, %ebx, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: jne .LBB42_8
+; X86-NOBMI-NEXT: # %bb.7:
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: .LBB42_8:
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_d1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB42_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB42_2:
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X86-BMI1NOTBM-NEXT: jne .LBB42_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB42_4:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB42_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB42_6:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB42_8
+; X86-BMI1NOTBM-NEXT: # %bb.7:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: .LBB42_8:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_d1_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %esi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB42_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: .LBB42_2:
+; X86-BMI1BMI2-NEXT: movb $64, %cl
+; X86-BMI1BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shlxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB42_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: movl $0, %edi
+; X86-BMI1BMI2-NEXT: .LBB42_4:
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %eax
+; X86-BMI1BMI2-NEXT: jne .LBB42_6
+; X86-BMI1BMI2-NEXT: # %bb.5:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: .LBB42_6:
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: jne .LBB42_8
+; X86-BMI1BMI2-NEXT: # %bb.7:
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: .LBB42_8:
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_d1_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq %rdi, %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_d1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_d1_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %highbitscleared = shl i64 %shifted, %sh_prom
+ %masked = lshr i64 %highbitscleared, %sh_prom
+ ret i64 %masked
+}
+
+define i64 @bextr64_d2_load(i64* %w, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_d2_load:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %edi
+; X86-NOBMI-NEXT: movl 4(%eax), %edx
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: shrdl %cl, %edx, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB43_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB43_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shldl %cl, %edi, %eax
+; X86-NOBMI-NEXT: shll %cl, %edi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl %edi, %ebx
+; X86-NOBMI-NEXT: jne .LBB43_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %ebx
+; X86-NOBMI-NEXT: .LBB43_4:
+; X86-NOBMI-NEXT: movl %ebx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl $0, %edx
+; X86-NOBMI-NEXT: jne .LBB43_6
+; X86-NOBMI-NEXT: # %bb.5:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: .LBB43_6:
+; X86-NOBMI-NEXT: shrdl %cl, %ebx, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: jne .LBB43_8
+; X86-NOBMI-NEXT: # %bb.7:
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: .LBB43_8:
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_d2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %edi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %edx
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB43_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB43_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X86-BMI1NOTBM-NEXT: jne .LBB43_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB43_4:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB43_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB43_6:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB43_8
+; X86-BMI1NOTBM-NEXT: # %bb.7:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: .LBB43_8:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_d2_load:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl (%edx), %eax
+; X86-BMI1BMI2-NEXT: movl 4(%edx), %edx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %esi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB43_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: .LBB43_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shlxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB43_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: movl $0, %edi
+; X86-BMI1BMI2-NEXT: .LBB43_4:
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %eax
+; X86-BMI1BMI2-NEXT: jne .LBB43_6
+; X86-BMI1BMI2-NEXT: # %bb.5:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: .LBB43_6:
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: jne .LBB43_8
+; X86-BMI1BMI2-NEXT: # %bb.7:
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: .LBB43_8:
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_d2_load:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movq %rsi, %rcx
+; X64-NOBMI-NEXT: movq (%rdi), %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_d2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_d2_load:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %highbitscleared = shl i64 %shifted, %numhighbits
+ %masked = lshr i64 %highbitscleared, %numhighbits
+ ret i64 %masked
+}
+
+define i64 @bextr64_d3_load_indexzext(i64* %w, i8 %numskipbits, i8 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_d3_load_indexzext:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl (%eax), %edi
+; X86-NOBMI-NEXT: movl 4(%eax), %edx
+; X86-NOBMI-NEXT: movl %edx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: shrdl %cl, %edx, %edi
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: je .LBB44_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %eax, %edi
+; X86-NOBMI-NEXT: xorl %eax, %eax
+; X86-NOBMI-NEXT: .LBB44_2:
+; X86-NOBMI-NEXT: movb $64, %cl
+; X86-NOBMI-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI-NEXT: shldl %cl, %edi, %eax
+; X86-NOBMI-NEXT: shll %cl, %edi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl %edi, %ebx
+; X86-NOBMI-NEXT: jne .LBB44_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %eax, %ebx
+; X86-NOBMI-NEXT: .LBB44_4:
+; X86-NOBMI-NEXT: movl %ebx, %eax
+; X86-NOBMI-NEXT: shrl %cl, %eax
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl $0, %edx
+; X86-NOBMI-NEXT: jne .LBB44_6
+; X86-NOBMI-NEXT: # %bb.5:
+; X86-NOBMI-NEXT: movl %edi, %esi
+; X86-NOBMI-NEXT: movl %eax, %edx
+; X86-NOBMI-NEXT: .LBB44_6:
+; X86-NOBMI-NEXT: shrdl %cl, %ebx, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: jne .LBB44_8
+; X86-NOBMI-NEXT: # %bb.7:
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: .LBB44_8:
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_d3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %edi
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %edx
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edx, %edi
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB44_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB44_2:
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edi, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %edi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %edi, %ebx
+; X86-BMI1NOTBM-NEXT: jne .LBB44_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %eax, %ebx
+; X86-BMI1NOTBM-NEXT: .LBB44_4:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB44_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %edi, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB44_6:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB44_8
+; X86-BMI1NOTBM-NEXT: # %bb.7:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: .LBB44_8:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_d3_load_indexzext:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl (%edx), %eax
+; X86-BMI1BMI2-NEXT: movl 4(%edx), %edx
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %esi
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB44_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %esi, %eax
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: .LBB44_2:
+; X86-BMI1BMI2-NEXT: movb $64, %cl
+; X86-BMI1BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1BMI2-NEXT: shldl %cl, %eax, %esi
+; X86-BMI1BMI2-NEXT: shlxl %ecx, %eax, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB44_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: movl $0, %edi
+; X86-BMI1BMI2-NEXT: .LBB44_4:
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %esi, %eax
+; X86-BMI1BMI2-NEXT: jne .LBB44_6
+; X86-BMI1BMI2-NEXT: # %bb.5:
+; X86-BMI1BMI2-NEXT: movl %eax, %edx
+; X86-BMI1BMI2-NEXT: .LBB44_6:
+; X86-BMI1BMI2-NEXT: shrdl %cl, %esi, %edi
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: jne .LBB44_8
+; X86-BMI1BMI2-NEXT: # %bb.7:
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: .LBB44_8:
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_d3_load_indexzext:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: movq (%rdi), %rax
+; X64-NOBMI-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: negb %dl
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rax
+; X64-NOBMI-NEXT: shrq %cl, %rax
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_d3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: negb %dl
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_d3_load_indexzext:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: # kill: def $edx killed $edx def $rdx
+; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
+; X64-BMI1BMI2-NEXT: shrxq %rsi, (%rdi), %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rax
+; X64-BMI1BMI2-NEXT: retq
+ %val = load i64, i64* %w
+ %skip = zext i8 %numskipbits to i64
+ %shifted = lshr i64 %val, %skip
+ %numhighbits = sub i8 64, %numlowbits
+ %sh_prom = zext i8 %numhighbits to i64
+ %highbitscleared = shl i64 %shifted, %sh_prom
+ %masked = lshr i64 %highbitscleared, %sh_prom
+ ret i64 %masked
+}
+
+define i64 @bextr64_d5_skipextrauses(i64 %val, i64 %numskipbits, i64 %numlowbits) nounwind {
+; X86-NOBMI-LABEL: bextr64_d5_skipextrauses:
+; X86-NOBMI: # %bb.0:
+; X86-NOBMI-NEXT: pushl %ebp
+; X86-NOBMI-NEXT: pushl %ebx
+; X86-NOBMI-NEXT: pushl %edi
+; X86-NOBMI-NEXT: pushl %esi
+; X86-NOBMI-NEXT: subl $12, %esp
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI-NEXT: movl %edx, %esi
+; X86-NOBMI-NEXT: movl %eax, %ecx
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: shrdl %cl, %edx, %ebx
+; X86-NOBMI-NEXT: xorl %edx, %edx
+; X86-NOBMI-NEXT: testb $32, %al
+; X86-NOBMI-NEXT: je .LBB45_2
+; X86-NOBMI-NEXT: # %bb.1:
+; X86-NOBMI-NEXT: movl %esi, %ebx
+; X86-NOBMI-NEXT: xorl %esi, %esi
+; X86-NOBMI-NEXT: .LBB45_2:
+; X86-NOBMI-NEXT: movl $64, %ecx
+; X86-NOBMI-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: shldl %cl, %ebx, %esi
+; X86-NOBMI-NEXT: shll %cl, %ebx
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl %ebx, %ebp
+; X86-NOBMI-NEXT: jne .LBB45_4
+; X86-NOBMI-NEXT: # %bb.3:
+; X86-NOBMI-NEXT: movl %esi, %ebp
+; X86-NOBMI-NEXT: .LBB45_4:
+; X86-NOBMI-NEXT: movl %ebp, %esi
+; X86-NOBMI-NEXT: shrl %cl, %esi
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl $0, %edi
+; X86-NOBMI-NEXT: jne .LBB45_6
+; X86-NOBMI-NEXT: # %bb.5:
+; X86-NOBMI-NEXT: movl %ebx, %edx
+; X86-NOBMI-NEXT: movl %esi, %edi
+; X86-NOBMI-NEXT: .LBB45_6:
+; X86-NOBMI-NEXT: shrdl %cl, %ebp, %edx
+; X86-NOBMI-NEXT: testb $32, %cl
+; X86-NOBMI-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI-NEXT: jne .LBB45_8
+; X86-NOBMI-NEXT: # %bb.7:
+; X86-NOBMI-NEXT: movl %edx, %esi
+; X86-NOBMI-NEXT: .LBB45_8:
+; X86-NOBMI-NEXT: subl $8, %esp
+; X86-NOBMI-NEXT: pushl %ecx
+; X86-NOBMI-NEXT: pushl %eax
+; X86-NOBMI-NEXT: calll use64
+; X86-NOBMI-NEXT: addl $16, %esp
+; X86-NOBMI-NEXT: movl %esi, %eax
+; X86-NOBMI-NEXT: movl %edi, %edx
+; X86-NOBMI-NEXT: addl $12, %esp
+; X86-NOBMI-NEXT: popl %esi
+; X86-NOBMI-NEXT: popl %edi
+; X86-NOBMI-NEXT: popl %ebx
+; X86-NOBMI-NEXT: popl %ebp
+; X86-NOBMI-NEXT: retl
+;
+; X86-BMI1NOTBM-LABEL: bextr64_d5_skipextrauses:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebp
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: subl $12, %esp
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ebx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: movl %eax, %ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edx, %ebx
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: testb $32, %al
+; X86-BMI1NOTBM-NEXT: je .LBB45_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB45_2:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %ebx, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %ebx, %ebp
+; X86-BMI1NOTBM-NEXT: jne .LBB45_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebp
+; X86-BMI1NOTBM-NEXT: .LBB45_4:
+; X86-BMI1NOTBM-NEXT: movl %ebp, %esi
+; X86-BMI1NOTBM-NEXT: shrl %cl, %esi
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edi
+; X86-BMI1NOTBM-NEXT: jne .LBB45_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %edx
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: .LBB45_6:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %ebp, %edx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: jne .LBB45_8
+; X86-BMI1NOTBM-NEXT: # %bb.7:
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: .LBB45_8:
+; X86-BMI1NOTBM-NEXT: subl $8, %esp
+; X86-BMI1NOTBM-NEXT: pushl %ecx
+; X86-BMI1NOTBM-NEXT: pushl %eax
+; X86-BMI1NOTBM-NEXT: calll use64
+; X86-BMI1NOTBM-NEXT: addl $16, %esp
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: movl %edi, %edx
+; X86-BMI1NOTBM-NEXT: addl $12, %esp
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: popl %ebp
+; X86-BMI1NOTBM-NEXT: retl
+;
+; X86-BMI1BMI2-LABEL: bextr64_d5_skipextrauses:
+; X86-BMI1BMI2: # %bb.0:
+; X86-BMI1BMI2-NEXT: pushl %ebx
+; X86-BMI1BMI2-NEXT: pushl %edi
+; X86-BMI1BMI2-NEXT: pushl %esi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edi
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1BMI2-NEXT: movl %eax, %ecx
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %edi
+; X86-BMI1BMI2-NEXT: shrxl %eax, %edx, %edx
+; X86-BMI1BMI2-NEXT: xorl %esi, %esi
+; X86-BMI1BMI2-NEXT: testb $32, %al
+; X86-BMI1BMI2-NEXT: je .LBB45_2
+; X86-BMI1BMI2-NEXT: # %bb.1:
+; X86-BMI1BMI2-NEXT: movl %edx, %edi
+; X86-BMI1BMI2-NEXT: xorl %edx, %edx
+; X86-BMI1BMI2-NEXT: .LBB45_2:
+; X86-BMI1BMI2-NEXT: movl $64, %ecx
+; X86-BMI1BMI2-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: shldl %cl, %edi, %edx
+; X86-BMI1BMI2-NEXT: shlxl %ecx, %edi, %ebx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: je .LBB45_4
+; X86-BMI1BMI2-NEXT: # %bb.3:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edx
+; X86-BMI1BMI2-NEXT: movl $0, %ebx
+; X86-BMI1BMI2-NEXT: .LBB45_4:
+; X86-BMI1BMI2-NEXT: shrxl %ecx, %edx, %edi
+; X86-BMI1BMI2-NEXT: jne .LBB45_6
+; X86-BMI1BMI2-NEXT: # %bb.5:
+; X86-BMI1BMI2-NEXT: movl %edi, %esi
+; X86-BMI1BMI2-NEXT: .LBB45_6:
+; X86-BMI1BMI2-NEXT: shrdl %cl, %edx, %ebx
+; X86-BMI1BMI2-NEXT: testb $32, %cl
+; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1BMI2-NEXT: jne .LBB45_8
+; X86-BMI1BMI2-NEXT: # %bb.7:
+; X86-BMI1BMI2-NEXT: movl %ebx, %edi
+; X86-BMI1BMI2-NEXT: .LBB45_8:
+; X86-BMI1BMI2-NEXT: subl $8, %esp
+; X86-BMI1BMI2-NEXT: pushl %ecx
+; X86-BMI1BMI2-NEXT: pushl %eax
+; X86-BMI1BMI2-NEXT: calll use64
+; X86-BMI1BMI2-NEXT: addl $16, %esp
+; X86-BMI1BMI2-NEXT: movl %edi, %eax
+; X86-BMI1BMI2-NEXT: movl %esi, %edx
+; X86-BMI1BMI2-NEXT: popl %esi
+; X86-BMI1BMI2-NEXT: popl %edi
+; X86-BMI1BMI2-NEXT: popl %ebx
+; X86-BMI1BMI2-NEXT: retl
+;
+; X64-NOBMI-LABEL: bextr64_d5_skipextrauses:
+; X64-NOBMI: # %bb.0:
+; X64-NOBMI-NEXT: pushq %rbx
+; X64-NOBMI-NEXT: movq %rdi, %rbx
+; X64-NOBMI-NEXT: movl %esi, %ecx
+; X64-NOBMI-NEXT: shrq %cl, %rbx
+; X64-NOBMI-NEXT: negl %edx
+; X64-NOBMI-NEXT: movl %edx, %ecx
+; X64-NOBMI-NEXT: shlq %cl, %rbx
+; X64-NOBMI-NEXT: shrq %cl, %rbx
+; X64-NOBMI-NEXT: movq %rsi, %rdi
+; X64-NOBMI-NEXT: callq use64
+; X64-NOBMI-NEXT: movq %rbx, %rax
+; X64-NOBMI-NEXT: popq %rbx
+; X64-NOBMI-NEXT: retq
+;
+; X64-BMI1NOTBM-LABEL: bextr64_d5_skipextrauses:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: pushq %rbx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rbx
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: negl %edx
+; X64-BMI1NOTBM-NEXT: movl %edx, %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rbx
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rdi
+; X64-BMI1NOTBM-NEXT: callq use64
+; X64-BMI1NOTBM-NEXT: movq %rbx, %rax
+; X64-BMI1NOTBM-NEXT: popq %rbx
+; X64-BMI1NOTBM-NEXT: retq
+;
+; X64-BMI1BMI2-LABEL: bextr64_d5_skipextrauses:
+; X64-BMI1BMI2: # %bb.0:
+; X64-BMI1BMI2-NEXT: pushq %rbx
+; X64-BMI1BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI1BMI2-NEXT: bzhiq %rdx, %rax, %rbx
+; X64-BMI1BMI2-NEXT: movq %rsi, %rdi
+; X64-BMI1BMI2-NEXT: callq use64
+; X64-BMI1BMI2-NEXT: movq %rbx, %rax
+; X64-BMI1BMI2-NEXT: popq %rbx
+; X64-BMI1BMI2-NEXT: retq
+ %shifted = lshr i64 %val, %numskipbits
+ %numhighbits = sub i64 64, %numlowbits
+ %highbitscleared = shl i64 %shifted, %numhighbits
+ %masked = lshr i64 %highbitscleared, %numhighbits
+ call void @use64(i64 %numskipbits)
+ ret i64 %masked
+}
+
+; ---------------------------------------------------------------------------- ;
+; Constant
+; ---------------------------------------------------------------------------- ;
+
+define void @pr38938(i32* %a0, i64* %a1) {
+; X86-LABEL: pr38938:
+; X86: # %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movl (%ecx), %ecx
+; X86-NEXT: shrl $19, %ecx
+; X86-NEXT: andl $4092, %ecx # imm = 0xFFC
+; X86-NEXT: incl (%eax,%ecx)
+; X86-NEXT: retl
+;
+; X64-LABEL: pr38938:
+; X64: # %bb.0:
+; X64-NEXT: movq (%rsi), %rax
+; X64-NEXT: shrq $19, %rax
+; X64-NEXT: andl $4092, %eax # imm = 0xFFC
+; X64-NEXT: incl (%rdi,%rax)
+; X64-NEXT: retq
+ %tmp = load i64, i64* %a1, align 8
+ %tmp1 = lshr i64 %tmp, 21
+ %tmp2 = and i64 %tmp1, 1023
+ %tmp3 = getelementptr inbounds i32, i32* %a0, i64 %tmp2
+ %tmp4 = load i32, i32* %tmp3, align 4
+ %tmp5 = add nsw i32 %tmp4, 1
+ store i32 %tmp5, i32* %tmp3, align 4
+ ret void
+}
Modified: llvm/trunk/test/CodeGen/X86/extract-lowbits.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/extract-lowbits.ll?rev=342623&r1=342622&r2=342623&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/extract-lowbits.ll (original)
+++ llvm/trunk/test/CodeGen/X86/extract-lowbits.ll Thu Sep 20 00:54:49 2018
@@ -1,11 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,NOBMI,X86-NOBMI
-; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1NOTBM,X86-BMI1NOTBM
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1TBM,X86-BMI1TBM
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1BMI2,X86-BMI1BMI2,BMI1TBM,X86-BMI1TBM,BMI1TBMBMI2,X86-BMI1TBMBMI2
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X86,BMI1,X86-BMI1,BMI1BMI2,X86-BMI1BMI2,BMI1NOTBMBMI2,X86-BMI1NOTBMBMI2
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,NOBMI,X64-NOBMI
-; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1NOTBM,X64-BMI1NOTBM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,-bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1TBM,X64-BMI1TBM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1BMI2,X64-BMI1BMI2,BMI1TBM,X64-BMI1TBM,BMI1TBMBMI2,X64-BMI1TBMBMI2
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-tbm,+bmi2 < %s | FileCheck %s --check-prefixes=CHECK,X64,BMI1,X64-BMI1,BMI1BMI2,X64-BMI1BMI2,BMI1NOTBMBMI2,X64-BMI1NOTBMBMI2
@@ -37,6 +37,15 @@ define i32 @bzhi32_a0(i32 %val, i32 %num
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_a0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_a0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -53,6 +62,16 @@ define i32 @bzhi32_a0(i32 %val, i32 %num
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_a0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_a0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -73,6 +92,15 @@ define i32 @bzhi32_a1_indexzext(i32 %val
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_a1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_a1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -89,6 +117,16 @@ define i32 @bzhi32_a1_indexzext(i32 %val
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_a1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_a1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -111,6 +149,16 @@ define i32 @bzhi32_a2_load(i32* %w, i32
; X86-NOBMI-NEXT: andl (%edx), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_a2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl (%edx), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_a2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -128,6 +176,16 @@ define i32 @bzhi32_a2_load(i32* %w, i32
; X64-NOBMI-NEXT: andl (%rdi), %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_a2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_a2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -150,6 +208,16 @@ define i32 @bzhi32_a3_load_indexzext(i32
; X86-NOBMI-NEXT: andl (%edx), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_a3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl (%edx), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_a3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -167,6 +235,16 @@ define i32 @bzhi32_a3_load_indexzext(i32
; X64-NOBMI-NEXT: andl (%rdi), %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_a3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_a3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -189,6 +267,15 @@ define i32 @bzhi32_a4_commutative(i32 %v
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_a4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: decl %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_a4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -205,6 +292,16 @@ define i32 @bzhi32_a4_commutative(i32 %v
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_a4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: decl %eax
+; X64-BMI1NOTBM-NEXT: andl %edi, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_a4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -237,6 +334,25 @@ define i64 @bzhi64_a0(i64 %val, i64 %num
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_a0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB5_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB5_2:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_a0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
@@ -266,6 +382,16 @@ define i64 @bzhi64_a0(i64 %val, i64 %num
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_a0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_a0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -296,6 +422,25 @@ define i64 @bzhi64_a1_indexzext(i64 %val
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_a1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB6_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB6_2:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_a1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
@@ -325,6 +470,16 @@ define i64 @bzhi64_a1_indexzext(i64 %val
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_a1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_a1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -360,6 +515,28 @@ define i64 @bzhi64_a2_load(i64* %w, i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_a2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB7_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB7_2:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl 4(%esi), %edx
+; X86-BMI1NOTBM-NEXT: andl (%esi), %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_a2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -392,6 +569,16 @@ define i64 @bzhi64_a2_load(i64* %w, i64
; X64-NOBMI-NEXT: andq (%rdi), %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_a2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_a2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
@@ -426,6 +613,28 @@ define i64 @bzhi64_a3_load_indexzext(i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_a3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB8_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB8_2:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl 4(%esi), %edx
+; X86-BMI1NOTBM-NEXT: andl (%esi), %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_a3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -458,6 +667,16 @@ define i64 @bzhi64_a3_load_indexzext(i64
; X64-NOBMI-NEXT: andq (%rdi), %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_a3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_a3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -491,6 +710,25 @@ define i64 @bzhi64_a4_commutative(i64 %v
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_a4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $1, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB9_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: xorl %eax, %eax
+; X86-BMI1NOTBM-NEXT: .LBB9_2:
+; X86-BMI1NOTBM-NEXT: addl $-1, %eax
+; X86-BMI1NOTBM-NEXT: adcl $-1, %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_a4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %cl
@@ -520,6 +758,16 @@ define i64 @bzhi64_a4_commutative(i64 %v
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_a4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movl $1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: decq %rax
+; X64-BMI1NOTBM-NEXT: andq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_a4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -544,6 +792,14 @@ define i32 @bzhi32_b0(i32 %val, i32 %num
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_b0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_b0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -560,6 +816,15 @@ define i32 @bzhi32_b0(i32 %val, i32 %num
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_b0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_b0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -580,6 +845,14 @@ define i32 @bzhi32_b1_indexzext(i32 %val
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_b1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_b1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -596,6 +869,15 @@ define i32 @bzhi32_b1_indexzext(i32 %val
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_b1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_b1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -618,6 +900,15 @@ define i32 @bzhi32_b2_load(i32* %w, i32
; X86-NOBMI-NEXT: andl (%edx), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_b2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %edx
+; X86-BMI1NOTBM-NEXT: andnl (%eax), %edx, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_b2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -635,6 +926,15 @@ define i32 @bzhi32_b2_load(i32* %w, i32
; X64-NOBMI-NEXT: andl (%rdi), %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_b2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl (%rdi), %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_b2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -657,6 +957,15 @@ define i32 @bzhi32_b3_load_indexzext(i32
; X86-NOBMI-NEXT: andl (%edx), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_b3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shll %cl, %edx
+; X86-BMI1NOTBM-NEXT: andnl (%eax), %edx, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_b3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -674,6 +983,15 @@ define i32 @bzhi32_b3_load_indexzext(i32
; X64-NOBMI-NEXT: andl (%rdi), %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_b3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl (%rdi), %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_b3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -696,6 +1014,14 @@ define i32 @bzhi32_b4_commutative(i32 %v
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_b4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_b4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -712,6 +1038,15 @@ define i32 @bzhi32_b4_commutative(i32 %v
; X64-NOBMI-NEXT: andl %edi, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_b4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl $-1, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: andnl %edi, %eax, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_b4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -744,6 +1079,25 @@ define i64 @bzhi64_b0(i64 %val, i64 %num
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_b0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB15_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB15_2:
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %edx
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_b0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -772,6 +1126,15 @@ define i64 @bzhi64_b0(i64 %val, i64 %num
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_b0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_b0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -802,6 +1165,25 @@ define i64 @bzhi64_b1_indexzext(i64 %val
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_b1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB16_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB16_2:
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %edx
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_b1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -830,6 +1212,15 @@ define i64 @bzhi64_b1_indexzext(i64 %val
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_b1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_b1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -865,6 +1256,26 @@ define i64 @bzhi64_b2_load(i64* %w, i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_b2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %edx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB17_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %edx
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB17_2:
+; X86-BMI1NOTBM-NEXT: andnl 4(%eax), %edx, %edx
+; X86-BMI1NOTBM-NEXT: andnl (%eax), %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_b2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -894,6 +1305,15 @@ define i64 @bzhi64_b2_load(i64* %w, i64
; X64-NOBMI-NEXT: andq (%rdi), %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_b2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq (%rdi), %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_b2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
@@ -928,6 +1348,26 @@ define i64 @bzhi64_b3_load_indexzext(i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_b3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %edx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB18_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %edx
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB18_2:
+; X86-BMI1NOTBM-NEXT: andnl 4(%eax), %edx, %edx
+; X86-BMI1NOTBM-NEXT: andnl (%eax), %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_b3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -957,6 +1397,15 @@ define i64 @bzhi64_b3_load_indexzext(i64
; X64-NOBMI-NEXT: andq (%rdi), %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_b3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq (%rdi), %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_b3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -990,6 +1439,25 @@ define i64 @bzhi64_b4_commutative(i64 %v
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_b4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB19_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %esi, %eax
+; X86-BMI1NOTBM-NEXT: xorl %esi, %esi
+; X86-BMI1NOTBM-NEXT: .LBB19_2:
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %eax, %edx
+; X86-BMI1NOTBM-NEXT: andnl {{[0-9]+}}(%esp), %esi, %eax
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_b4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -1018,6 +1486,15 @@ define i64 @bzhi64_b4_commutative(i64 %v
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_b4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq $-1, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: andnq %rdi, %rax, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_b4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -1043,6 +1520,16 @@ define i32 @bzhi32_c0(i32 %val, i32 %num
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_c0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_c0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1059,6 +1546,16 @@ define i32 @bzhi32_c0(i32 %val, i32 %num
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_c0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_c0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -1080,6 +1577,16 @@ define i32 @bzhi32_c1_indexzext(i32 %val
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_c1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_c1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -1096,6 +1603,16 @@ define i32 @bzhi32_c1_indexzext(i32 %val
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_c1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_c1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -1119,6 +1636,17 @@ define i32 @bzhi32_c2_load(i32* %w, i32
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_c2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_c2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1136,6 +1664,16 @@ define i32 @bzhi32_c2_load(i32* %w, i32
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_c2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_c2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -1159,6 +1697,17 @@ define i32 @bzhi32_c3_load_indexzext(i32
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_c3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_c3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1176,6 +1725,16 @@ define i32 @bzhi32_c3_load_indexzext(i32
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_c3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_c3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -1199,6 +1758,16 @@ define i32 @bzhi32_c4_commutative(i32 %v
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_c4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_c4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1215,6 +1784,16 @@ define i32 @bzhi32_c4_commutative(i32 %v
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_c4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_c4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -1246,6 +1825,24 @@ define i64 @bzhi64_c0(i64 %val, i64 %num
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_c0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB25_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB25_2:
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_c0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl $64, %ecx
@@ -1273,6 +1870,16 @@ define i64 @bzhi64_c0(i64 %val, i64 %num
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_c0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_c0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -1302,6 +1909,24 @@ define i64 @bzhi64_c1_indexzext(i64 %val
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_c1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB26_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB26_2:
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_c1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb $64, %cl
@@ -1329,6 +1954,16 @@ define i64 @bzhi64_c1_indexzext(i64 %val
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_c1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_c1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -1363,6 +1998,27 @@ define i64 @bzhi64_c2_load(i64* %w, i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_c2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB27_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB27_2:
+; X86-BMI1NOTBM-NEXT: andl (%esi), %eax
+; X86-BMI1NOTBM-NEXT: andl 4(%esi), %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_c2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -1393,6 +2049,16 @@ define i64 @bzhi64_c2_load(i64* %w, i64
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_c2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_c2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
@@ -1426,6 +2092,27 @@ define i64 @bzhi64_c3_load_indexzext(i64
; X86-NOBMI-NEXT: popl %esi
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_c3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB28_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB28_2:
+; X86-BMI1NOTBM-NEXT: andl (%esi), %eax
+; X86-BMI1NOTBM-NEXT: andl 4(%esi), %edx
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_c3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %esi
@@ -1456,6 +2143,16 @@ define i64 @bzhi64_c3_load_indexzext(i64
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_c3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_c3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -1488,6 +2185,24 @@ define i64 @bzhi64_c4_commutative(i64 %v
; X86-NOBMI-NEXT: andl {{[0-9]+}}(%esp), %edx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_c4_commutative:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl $-1, %eax
+; X86-BMI1NOTBM-NEXT: movl $-1, %edx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %edx
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %eax, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: je .LBB29_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %edx, %eax
+; X86-BMI1NOTBM-NEXT: xorl %edx, %edx
+; X86-BMI1NOTBM-NEXT: .LBB29_2:
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: andl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_c4_commutative:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl $64, %ecx
@@ -1515,6 +2230,16 @@ define i64 @bzhi64_c4_commutative(i64 %v
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_c4_commutative:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_c4_commutative:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -1540,6 +2265,16 @@ define i32 @bzhi32_d0(i32 %val, i32 %num
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_d0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_d0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1556,6 +2291,16 @@ define i32 @bzhi32_d0(i32 %val, i32 %num
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_d0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_d0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -1577,6 +2322,16 @@ define i32 @bzhi32_d1_indexzext(i32 %val
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_d1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_d1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movb {{[0-9]+}}(%esp), %al
@@ -1593,6 +2348,16 @@ define i32 @bzhi32_d1_indexzext(i32 %val
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_d1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl %edi, %eax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_d1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, %edi, %eax
@@ -1616,6 +2381,17 @@ define i32 @bzhi32_d2_load(i32* %w, i32
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_d2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_d2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1633,6 +2409,16 @@ define i32 @bzhi32_d2_load(i32* %w, i32
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_d2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_d2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -1656,6 +2442,17 @@ define i32 @bzhi32_d3_load_indexzext(i32
; X86-NOBMI-NEXT: shrl %cl, %eax
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi32_d3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %eax
+; X86-BMI1NOTBM-NEXT: xorl %ecx, %ecx
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: shll %cl, %eax
+; X86-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi32_d3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
@@ -1673,6 +2470,16 @@ define i32 @bzhi32_d3_load_indexzext(i32
; X64-NOBMI-NEXT: shrl %cl, %eax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi32_d3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movl (%rdi), %eax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shll %cl, %eax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi32_d3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhil %esi, (%rdi), %eax
@@ -1727,6 +2534,45 @@ define i64 @bzhi64_d0(i64 %val, i64 %num
; X86-NOBMI-NEXT: popl %ebx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_d0:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: jne .LBB34_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: .LBB34_2:
+; X86-BMI1NOTBM-NEXT: movl %edi, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB34_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB34_4:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB34_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: .LBB34_6:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_d0:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %edi
@@ -1769,6 +2615,16 @@ define i64 @bzhi64_d0(i64 %val, i64 %num
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_d0:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_d0:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, %rdi, %rax
@@ -1819,6 +2675,45 @@ define i64 @bzhi64_d1_indexzext(i64 %val
; X86-NOBMI-NEXT: popl %ebx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_d1_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: jne .LBB35_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: .LBB35_2:
+; X86-BMI1NOTBM-NEXT: movl %edi, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB35_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB35_4:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB35_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: .LBB35_6:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_d1_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %edi
@@ -1861,6 +2756,16 @@ define i64 @bzhi64_d1_indexzext(i64 %val
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_d1_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq %rdi, %rax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_d1_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -1914,6 +2819,46 @@ define i64 @bzhi64_d2_load(i64* %w, i64
; X86-NOBMI-NEXT: popl %ebx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_d2_load:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %edx
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movl $64, %ecx
+; X86-BMI1NOTBM-NEXT: subl {{[0-9]+}}(%esp), %ecx
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: jne .LBB36_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: .LBB36_2:
+; X86-BMI1NOTBM-NEXT: movl %edi, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB36_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB36_4:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB36_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: .LBB36_6:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_d2_load:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %edi
@@ -1957,6 +2902,16 @@ define i64 @bzhi64_d2_load(i64* %w, i64
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_d2_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movq %rsi, %rcx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: negl %ecx
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_d2_load:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: bzhiq %rsi, (%rdi), %rax
@@ -2009,6 +2964,46 @@ define i64 @bzhi64_d3_load_indexzext(i64
; X86-NOBMI-NEXT: popl %ebx
; X86-NOBMI-NEXT: retl
;
+; X86-BMI1NOTBM-LABEL: bzhi64_d3_load_indexzext:
+; X86-BMI1NOTBM: # %bb.0:
+; X86-BMI1NOTBM-NEXT: pushl %ebx
+; X86-BMI1NOTBM-NEXT: pushl %edi
+; X86-BMI1NOTBM-NEXT: pushl %esi
+; X86-BMI1NOTBM-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI1NOTBM-NEXT: movl (%eax), %edx
+; X86-BMI1NOTBM-NEXT: movl 4(%eax), %eax
+; X86-BMI1NOTBM-NEXT: movb $64, %cl
+; X86-BMI1NOTBM-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI1NOTBM-NEXT: movl %edx, %esi
+; X86-BMI1NOTBM-NEXT: shll %cl, %esi
+; X86-BMI1NOTBM-NEXT: shldl %cl, %edx, %eax
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl %esi, %edi
+; X86-BMI1NOTBM-NEXT: jne .LBB37_2
+; X86-BMI1NOTBM-NEXT: # %bb.1:
+; X86-BMI1NOTBM-NEXT: movl %eax, %edi
+; X86-BMI1NOTBM-NEXT: .LBB37_2:
+; X86-BMI1NOTBM-NEXT: movl %edi, %eax
+; X86-BMI1NOTBM-NEXT: shrl %cl, %eax
+; X86-BMI1NOTBM-NEXT: xorl %ebx, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: movl $0, %edx
+; X86-BMI1NOTBM-NEXT: jne .LBB37_4
+; X86-BMI1NOTBM-NEXT: # %bb.3:
+; X86-BMI1NOTBM-NEXT: movl %esi, %ebx
+; X86-BMI1NOTBM-NEXT: movl %eax, %edx
+; X86-BMI1NOTBM-NEXT: .LBB37_4:
+; X86-BMI1NOTBM-NEXT: shrdl %cl, %edi, %ebx
+; X86-BMI1NOTBM-NEXT: testb $32, %cl
+; X86-BMI1NOTBM-NEXT: jne .LBB37_6
+; X86-BMI1NOTBM-NEXT: # %bb.5:
+; X86-BMI1NOTBM-NEXT: movl %ebx, %eax
+; X86-BMI1NOTBM-NEXT: .LBB37_6:
+; X86-BMI1NOTBM-NEXT: popl %esi
+; X86-BMI1NOTBM-NEXT: popl %edi
+; X86-BMI1NOTBM-NEXT: popl %ebx
+; X86-BMI1NOTBM-NEXT: retl
+;
; X86-BMI1BMI2-LABEL: bzhi64_d3_load_indexzext:
; X86-BMI1BMI2: # %bb.0:
; X86-BMI1BMI2-NEXT: pushl %edi
@@ -2052,6 +3047,16 @@ define i64 @bzhi64_d3_load_indexzext(i64
; X64-NOBMI-NEXT: shrq %cl, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_d3_load_indexzext:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl %esi, %ecx
+; X64-BMI1NOTBM-NEXT: movq (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: negb %cl
+; X64-BMI1NOTBM-NEXT: shlq %cl, %rax
+; X64-BMI1NOTBM-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-BMI1NOTBM-NEXT: shrq %cl, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1BMI2-LABEL: bzhi64_d3_load_indexzext:
; X64-BMI1BMI2: # %bb.0:
; X64-BMI1BMI2-NEXT: # kill: def $esi killed $esi def $rsi
@@ -2189,6 +3194,12 @@ define i64 @bzhi64_constant_mask64(i64 %
; X64-NOBMI-NEXT: andq %rdi, %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_constant_mask64:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl $15872, %eax # imm = 0x3E00
+; X64-BMI1NOTBM-NEXT: bextrq %rax, %rdi, %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1TBM-LABEL: bzhi64_constant_mask64:
; X64-BMI1TBM: # %bb.0:
; X64-BMI1TBM-NEXT: bextrq $15872, %rdi, %rax # imm = 0x3E00
@@ -2218,6 +3229,12 @@ define i64 @bzhi64_constant_mask64_load(
; X64-NOBMI-NEXT: andq (%rdi), %rax
; X64-NOBMI-NEXT: retq
;
+; X64-BMI1NOTBM-LABEL: bzhi64_constant_mask64_load:
+; X64-BMI1NOTBM: # %bb.0:
+; X64-BMI1NOTBM-NEXT: movl $15872, %eax # imm = 0x3E00
+; X64-BMI1NOTBM-NEXT: bextrq %rax, (%rdi), %rax
+; X64-BMI1NOTBM-NEXT: retq
+;
; X64-BMI1TBM-LABEL: bzhi64_constant_mask64_load:
; X64-BMI1TBM: # %bb.0:
; X64-BMI1TBM-NEXT: bextrq $15872, (%rdi), %rax # imm = 0x3E00
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