[llvm-commits] [llvm] r110369 - /llvm/trunk/lib/Target/X86/X86Instr64bit.td

[Eric Christopher]

Author: echristo
Date: Thu Aug  5 14:54:59 2010
New Revision: 110369

URL: http://llvm.org/viewvc/llvm-project?rev=110369&view=rev
Log:
Set hasSideEffects on the 64-bit no-sse memory barrier.

Modified:
    llvm/trunk/lib/Target/X86/X86Instr64bit.td

Modified: llvm/trunk/lib/Target/X86/X86Instr64bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Instr64bit.td?rev=110369&r1=110368&r2=110369&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Instr64bit.td (original)
+++ llvm/trunk/lib/Target/X86/X86Instr64bit.td Thu Aug  5 14:54:59 2010
@@ -1620,7 +1620,7 @@
 //===----------------------------------------------------------------------===//
 
 // 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}",