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fix mmx handling bug

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37533 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-06-09 05:01:50 +00:00
parent ae5eb7accf
commit 6b7c21cc30
1 changed files with 4 additions and 1 deletions
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5
lib/Target/X86/X86ISelLowering.cpp
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@ -1183,7 +1183,10 @@ X86TargetLowering::LowerX86_64CCCArguments(SDOperand Op, SelectionDAG &DAG) {
RC = X86::FR64RegisterClass;
else {
assert(MVT::isVector(RegVT));
RC = X86::VR128RegisterClass;
if (MVT::getSizeInBits(RegVT) == 64)
RC = X86::VR64RegisterClass;
else
RC = X86::VR128RegisterClass;
}
unsigned Reg = AddLiveIn(DAG.getMachineFunction(), VA.getLocReg(), RC);