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Add hasSideEffects=0 to some atomic instructions.

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llvm-svn: 171122
This commit is contained in:
Craig Topper 2012-12-26 23:08:12 +00:00
parent c4205e1d63
commit fe4506dc6c
1 changed files with 1 additions and 1 deletions
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2
lib/Target/X86/X86InstrCompiler.td
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@ -559,7 +559,7 @@ defm : PSEUDO_ATOMIC_LOAD_BINOP_PATS<"ATOMUMAX", "atomic_load_umax">;
defm : PSEUDO_ATOMIC_LOAD_BINOP_PATS<"ATOMUMIN", "atomic_load_umin">;
multiclass PSEUDO_ATOMIC_LOAD_BINOP6432<string mnemonic> {
let usesCustomInserter = 1, mayLoad = 1, mayStore = 1 in
let usesCustomInserter = 1, mayLoad = 1, mayStore = 1, hasSideEffects = 0 in
def #NAME#6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
(ins i64mem:$ptr, GR32:$val1, GR32:$val2),
!strconcat(mnemonic, "6432 PSEUDO!"), []>;