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Make x86-64 membarriers work without sse and clean up some of the

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uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110274 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2010-08-04 23:03:04 +00:00
parent 3dcc91ee8c
commit b6729dc0ef
3 changed files with 14 additions and 4 deletions
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7
lib/Target/X86/X86ISelLowering.cpp
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@@ -7654,9 +7654,12 @@ SDValue X86TargetLowering::LowerXALUO(SDValue Op, SelectionDAG &DAG) const {
SDValue X86TargetLowering::LowerMEMBARRIER(SDValue Op, SelectionDAG &DAG) const{
DebugLoc dl = Op.getDebugLoc();
if (!Subtarget->hasSSE2())
if (!Subtarget->hasSSE2()) {
SDValue Zero = DAG.getConstant(0,
Subtarget->is64Bit() ? MVT::i64 : MVT::i32);
return DAG.getNode(X86ISD::MEMBARRIER, dl, MVT::Other, Op.getOperand(0),
DAG.getConstant(0, MVT::i32));
Zero);
}
unsigned isDev = cast<ConstantSDNode>(Op.getOperand(5))->getZExtValue();
if(!isDev)