-; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 | FileCheck %s --check-prefix X64
-; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 | FileCheck %s --check-prefix X32
+; RUN: llc < %s -O0 -mtriple=x86_64-unknown-unknown -mcpu=corei7 -verify-machineinstrs -show-mc-encoding | FileCheck %s --check-prefix X64
+; RUN: llc < %s -O0 -mtriple=i386-unknown-unknown -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
@sc16 = external global i16
define void @atomic_fetch_add16() nounwind {
-; X64: atomic_fetch_add16
-; X32: atomic_fetch_add16
+; X64-LABEL: atomic_fetch_add16
+; X32-LABEL: atomic_fetch_add16
entry:
; 32-bit
%t1 = atomicrmw add i16* @sc16, i16 1 acquire
; X32: incw
%t2 = atomicrmw add i16* @sc16, i16 3 acquire
; X64: lock
-; X64: addw $3
+; X64: addw $3, {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: addw $3
%t3 = atomicrmw add i16* @sc16, i16 5 acquire
; X64: lock
-; X64: xaddw
+; X64: xaddw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: xaddw
%t4 = atomicrmw add i16* @sc16, i16 %t3 acquire
; X64: lock
-; X64: addw
+; X64: addw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: addw
ret void
}
define void @atomic_fetch_sub16() nounwind {
-; X64: atomic_fetch_sub16
-; X32: atomic_fetch_sub16
+; X64-LABEL: atomic_fetch_sub16
+; X32-LABEL: atomic_fetch_sub16
%t1 = atomicrmw sub i16* @sc16, i16 1 acquire
; X64: lock
; X64: decw
; X32: decw
%t2 = atomicrmw sub i16* @sc16, i16 3 acquire
; X64: lock
-; X64: subw $3
+; X64: subw $3, {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: subw $3
%t3 = atomicrmw sub i16* @sc16, i16 5 acquire
; X64: lock
-; X64: xaddw
+; X64: xaddw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: xaddw
%t4 = atomicrmw sub i16* @sc16, i16 %t3 acquire
; X64: lock
-; X64: subw
+; X64: subw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: subw
ret void
}
define void @atomic_fetch_and16() nounwind {
-; X64: atomic_fetch_and16
-; X32: atomic_fetch_and16
+; X64-LABEL: atomic_fetch_and16
+; X32-LABEL: atomic_fetch_and16
%t1 = atomicrmw and i16* @sc16, i16 3 acquire
; X64: lock
-; X64: andw $3
+; X64: andw $3, {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: andw $3
%t2 = atomicrmw and i16* @sc16, i16 5 acquire
-; X64: andw
+; X64: andl
; X64: lock
; X64: cmpxchgw
-; X32: andw
+; X32: andl
; X32: lock
; X32: cmpxchgw
%t3 = atomicrmw and i16* @sc16, i16 %t2 acquire
; X64: lock
-; X64: andw
+; X64: andw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: andw
ret void
}
define void @atomic_fetch_or16() nounwind {
-; X64: atomic_fetch_or16
-; X32: atomic_fetch_or16
+; X64-LABEL: atomic_fetch_or16
+; X32-LABEL: atomic_fetch_or16
%t1 = atomicrmw or i16* @sc16, i16 3 acquire
; X64: lock
-; X64: orw $3
+; X64: orw $3, {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: orw $3
%t2 = atomicrmw or i16* @sc16, i16 5 acquire
-; X64: orw
+; X64: orl
; X64: lock
; X64: cmpxchgw
-; X32: orw
+; X32: orl
; X32: lock
; X32: cmpxchgw
%t3 = atomicrmw or i16* @sc16, i16 %t2 acquire
; X64: lock
-; X64: orw
+; X64: orw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: orw
ret void
}
define void @atomic_fetch_xor16() nounwind {
-; X64: atomic_fetch_xor16
-; X32: atomic_fetch_xor16
+; X64-LABEL: atomic_fetch_xor16
+; X32-LABEL: atomic_fetch_xor16
%t1 = atomicrmw xor i16* @sc16, i16 3 acquire
; X64: lock
-; X64: xorw $3
+; X64: xorw $3, {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: xorw $3
%t2 = atomicrmw xor i16* @sc16, i16 5 acquire
-; X64: xorw
+; X64: xorl
; X64: lock
; X64: cmpxchgw
-; X32: xorw
+; X32: xorl
; X32: lock
; X32: cmpxchgw
%t3 = atomicrmw xor i16* @sc16, i16 %t2 acquire
; X64: lock
-; X64: xorw
+; X64: xorw {{.*}} # encoding: [0xf0,0x66
; X32: lock
; X32: xorw
ret void
}
define void @atomic_fetch_nand16(i16 %x) nounwind {
-; X64: atomic_fetch_nand16
-; X32: atomic_fetch_nand16
+; X64-LABEL: atomic_fetch_nand16
+; X32-LABEL: atomic_fetch_nand16
%t1 = atomicrmw nand i16* @sc16, i16 %x acquire
-; X64: andw
-; X64: notw
+; X64: andl
+; X64: notl
; X64: lock
; X64: cmpxchgw
-; X32: andw
-; X32: notw
+; X32: andl
+; X32: notl
; X32: lock
; X32: cmpxchgw
ret void
define void @atomic_fetch_max16(i16 %x) nounwind {
%t1 = atomicrmw max i16* @sc16, i16 %x acquire
-; X64: cmpw
+; X64: movswl
+; X64: movswl
+; X64: subl
; X64: cmov
; X64: lock
; X64: cmpxchgw
-; X32: cmpw
+; X32: movswl
+; X32: movswl
+; X32: subl
; X32: cmov
; X32: lock
; X32: cmpxchgw
define void @atomic_fetch_min16(i16 %x) nounwind {
%t1 = atomicrmw min i16* @sc16, i16 %x acquire
-; X64: cmpw
+; X64: movswl
+; X64: movswl
+; X64: subl
; X64: cmov
; X64: lock
; X64: cmpxchgw
-; X32: cmpw
+; X32: movswl
+; X32: movswl
+; X32: subl
; X32: cmov
; X32: lock
; X32: cmpxchgw
define void @atomic_fetch_umax16(i16 %x) nounwind {
%t1 = atomicrmw umax i16* @sc16, i16 %x acquire
-; X64: cmpw
+; X64: movzwl
+; X64: movzwl
+; X64: subl
; X64: cmov
; X64: lock
; X64: cmpxchgw
-; X32: cmpw
+; X32: movzwl
+; X32: movzwl
+; X32: subl
; X32: cmov
; X32: lock
; X32: cmpxchgw
define void @atomic_fetch_umin16(i16 %x) nounwind {
%t1 = atomicrmw umin i16* @sc16, i16 %x acquire
-; X64: cmpw
+; X64: movzwl
+; X64: movzwl
+; X64: subl
; X64: cmov
; X64: lock
; X64: cmpxchgw
-; X32: cmpw
+
+; X32: movzwl
+; X32: movzwl
+; X32: subl
; X32: cmov
; X32: lock
; X32: cmpxchgw
}
define void @atomic_fetch_cmpxchg16() nounwind {
- %t1 = cmpxchg i16* @sc16, i16 0, i16 1 acquire
+ %t1 = cmpxchg i16* @sc16, i16 0, i16 1 acquire acquire
; X64: lock
; X64: cmpxchgw
; X32: lock