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Set hasSideEffects on the 64-bit no-sse memory barrier.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110369 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2010-08-05 19:54:59 +00:00
parent e3ede5e2e4
commit da93b2cb8f
1 changed files with 1 additions and 1 deletions
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lib/Target/X86/X86Instr64bit.td
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@ -1620,7 +1620,7 @@ def MOV64FSrm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
//===----------------------------------------------------------------------===//
// TODO: Get this to fold the constant into the instruction.
let Defs = [ESP] in
let hasSideEffects = 1, Defs = [ESP] in
def Int_MemBarrierNoSSE64 : RI<0x09, MRM1r, (outs), (ins GR64:$zero),
"lock\n\t"
"or{q}\t{$zero, (%rsp)|(%rsp), $zero}",