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251 lines
5.7 KiB
LLVM
251 lines
5.7 KiB
LLVM
; RUN: llc < %s -O0 -mtriple=x86_64-unknown-unknown -mcpu=corei7 -show-mc-encoding | FileCheck %s --check-prefix X64
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; RUN: llc < %s -O0 -mtriple=i386-unknown-unknown -mcpu=corei7 | FileCheck %s --check-prefix X32
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@sc16 = external global i16
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define void @atomic_fetch_add16() nounwind {
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; X64: atomic_fetch_add16
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; X32: atomic_fetch_add16
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entry:
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; 32-bit
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%t1 = atomicrmw add i16* @sc16, i16 1 acquire
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; X64: lock
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; X64: incw
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; X32: lock
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; X32: incw
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%t2 = atomicrmw add i16* @sc16, i16 3 acquire
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; X64: lock
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; X64: addw $3, {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: addw $3
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%t3 = atomicrmw add i16* @sc16, i16 5 acquire
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; X64: lock
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; X64: xaddw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: xaddw
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%t4 = atomicrmw add i16* @sc16, i16 %t3 acquire
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; X64: lock
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; X64: addw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: addw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_sub16() nounwind {
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; X64: atomic_fetch_sub16
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; X32: atomic_fetch_sub16
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%t1 = atomicrmw sub i16* @sc16, i16 1 acquire
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; X64: lock
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; X64: decw
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; X32: lock
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; X32: decw
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%t2 = atomicrmw sub i16* @sc16, i16 3 acquire
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; X64: lock
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; X64: subw $3, {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: subw $3
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%t3 = atomicrmw sub i16* @sc16, i16 5 acquire
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; X64: lock
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; X64: xaddw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: xaddw
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%t4 = atomicrmw sub i16* @sc16, i16 %t3 acquire
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; X64: lock
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; X64: subw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: subw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_and16() nounwind {
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; X64: atomic_fetch_and16
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; X32: atomic_fetch_and16
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%t1 = atomicrmw and i16* @sc16, i16 3 acquire
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; X64: lock
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; X64: andw $3, {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: andw $3
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%t2 = atomicrmw and i16* @sc16, i16 5 acquire
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; X64: andw
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; X64: lock
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; X64: cmpxchgw
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; X32: andw
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; X32: lock
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; X32: cmpxchgw
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%t3 = atomicrmw and i16* @sc16, i16 %t2 acquire
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; X64: lock
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; X64: andw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: andw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_or16() nounwind {
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; X64: atomic_fetch_or16
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; X32: atomic_fetch_or16
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%t1 = atomicrmw or i16* @sc16, i16 3 acquire
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; X64: lock
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; X64: orw $3, {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: orw $3
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%t2 = atomicrmw or i16* @sc16, i16 5 acquire
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; X64: orw
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; X64: lock
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; X64: cmpxchgw
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; X32: orw
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; X32: lock
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; X32: cmpxchgw
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%t3 = atomicrmw or i16* @sc16, i16 %t2 acquire
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; X64: lock
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; X64: orw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: orw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_xor16() nounwind {
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; X64: atomic_fetch_xor16
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; X32: atomic_fetch_xor16
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%t1 = atomicrmw xor i16* @sc16, i16 3 acquire
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; X64: lock
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; X64: xorw $3, {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: xorw $3
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%t2 = atomicrmw xor i16* @sc16, i16 5 acquire
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; X64: xorw
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; X64: lock
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; X64: cmpxchgw
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; X32: xorw
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; X32: lock
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; X32: cmpxchgw
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%t3 = atomicrmw xor i16* @sc16, i16 %t2 acquire
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; X64: lock
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; X64: xorw {{.*}} # encoding: [0xf0,0x66
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; X32: lock
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; X32: xorw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_nand16(i16 %x) nounwind {
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; X64: atomic_fetch_nand16
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; X32: atomic_fetch_nand16
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%t1 = atomicrmw nand i16* @sc16, i16 %x acquire
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; X64: andw
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; X64: notw
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; X64: lock
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; X64: cmpxchgw
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; X32: andw
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; X32: notw
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_max16(i16 %x) nounwind {
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%t1 = atomicrmw max i16* @sc16, i16 %x acquire
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; X64: cmpw
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; X64: cmov
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; X64: lock
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; X64: cmpxchgw
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; X32: cmpw
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; X32: cmov
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_min16(i16 %x) nounwind {
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%t1 = atomicrmw min i16* @sc16, i16 %x acquire
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; X64: cmpw
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; X64: cmov
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; X64: lock
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; X64: cmpxchgw
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; X32: cmpw
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; X32: cmov
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_umax16(i16 %x) nounwind {
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%t1 = atomicrmw umax i16* @sc16, i16 %x acquire
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; X64: cmpw
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; X64: cmov
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; X64: lock
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; X64: cmpxchgw
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; X32: cmpw
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; X32: cmov
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_umin16(i16 %x) nounwind {
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%t1 = atomicrmw umin i16* @sc16, i16 %x acquire
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; X64: cmpw
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; X64: cmov
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; X64: lock
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; X64: cmpxchgw
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; X32: cmpw
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; X32: cmov
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_cmpxchg16() nounwind {
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%t1 = cmpxchg i16* @sc16, i16 0, i16 1 acquire
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; X64: lock
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; X64: cmpxchgw
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; X32: lock
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; X32: cmpxchgw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_store16(i16 %x) nounwind {
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store atomic i16 %x, i16* @sc16 release, align 4
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; X64-NOT: lock
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; X64: movw
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; X32-NOT: lock
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; X32: movw
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ret void
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; X64: ret
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; X32: ret
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}
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define void @atomic_fetch_swap16(i16 %x) nounwind {
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%t1 = atomicrmw xchg i16* @sc16, i16 %x acquire
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; X64-NOT: lock
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; X64: xchgw
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; X32-NOT: lock
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; X32: xchgw
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ret void
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; X64: ret
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; X32: ret
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}
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