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make CAS work 

llvm-svn: 47799
This commit is contained in:
Andrew Lenharth 2008-03-01 22:27:48 +00:00
parent d032c33300
commit f5c90ec12c
2 changed files with 3 additions and 2 deletions
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4
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -5358,10 +5358,10 @@ SDOperand X86TargetLowering::LowerCAS(SDOperand Op, SelectionDAG &DAG) {
case MVT::i32: Reg = X86::EAX; size = 4; break; case MVT::i32: Reg = X86::EAX; size = 4; break;
}; };
SDOperand cpIn = DAG.getCopyToReg(Op.getOperand(0), Reg, SDOperand cpIn = DAG.getCopyToReg(Op.getOperand(0), Reg,
Op.getOperand(2), SDOperand()); Op.getOperand(3), SDOperand());
SDOperand Ops[] = { cpIn.getValue(0), SDOperand Ops[] = { cpIn.getValue(0),
Op.getOperand(1), Op.getOperand(1),
Op.getOperand(3), Op.getOperand(2),
DAG.getTargetConstant(size, MVT::i8), DAG.getTargetConstant(size, MVT::i8),
cpIn.getValue(1) }; cpIn.getValue(1) };
SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Flag); SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Flag);

1
llvm/lib/Target/X86/X86InstrInfo.td
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@ -2548,6 +2548,7 @@ def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
//FIXME: Please check the format Pseudo is certainly wrong, but the opcode and //FIXME: Please check the format Pseudo is certainly wrong, but the opcode and
// prefixes should be correct // prefixes should be correct
let Defs = [EAX, EFLAGS], Uses = [EAX] in { let Defs = [EAX, EFLAGS], Uses = [EAX] in {
def CMPXCHG32 : I<0xB1, Pseudo, (outs), (ins i32mem:$ptr, GR32:$swap), def CMPXCHG32 : I<0xB1, Pseudo, (outs), (ins i32mem:$ptr, GR32:$swap),
"cmpxchgl $swap,$ptr", []>, TB; "cmpxchgl $swap,$ptr", []>, TB;