Index: llvm/trunk/lib/Target/X86/X86InstrArithmetic.td =================================================================== --- llvm/trunk/lib/Target/X86/X86InstrArithmetic.td +++ llvm/trunk/lib/Target/X86/X86InstrArithmetic.td @@ -989,10 +989,12 @@ } } // Constraints = "$src1 = $dst" - def NAME#8mr : BinOpMR_RMW; - def NAME#16mr : BinOpMR_RMW; - def NAME#32mr : BinOpMR_RMW; - def NAME#64mr : BinOpMR_RMW; + let mayLoad = 1, mayStore = 1 in { + def NAME#8mr : BinOpMR_RMW; + def NAME#16mr : BinOpMR_RMW; + def NAME#32mr : BinOpMR_RMW; + def NAME#64mr : BinOpMR_RMW; + } // NOTE: These are order specific, we want the mi8 forms to be listed // first so that they are slightly preferred to the mi forms.