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Added a FIXME comment about why FST is currently flagged to fpGETRESULT.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-17 00:37:42 +00:00
parent 4e4937836e
commit 2059f884aa
1 changed files with 6 additions and 0 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
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@ -555,6 +555,9 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
Chain = RetVal.getValue(1);
InFlag = RetVal.getValue(2);
if (X86ScalarSSE) {
// FIXME:Currently the FST is flagged to the FP_GET_RESULT. This
// shouldn't be necessary except for RFP cannot be live across
// multiple blocks. When stackifier is fixed, they can be uncoupled.
unsigned Size = MVT::getSizeInBits(MVT::f64)/8;
MachineFunction &MF = DAG.getMachineFunction();
int SSFI = MF.getFrameInfo()->CreateStackObject(Size, Size);
@ -1072,6 +1075,9 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
Chain = RetVal.getValue(1);
InFlag = RetVal.getValue(2);
if (X86ScalarSSE) {
// FIXME:Currently the FST is flagged to the FP_GET_RESULT. This
// shouldn't be necessary except for RFP cannot be live across
// multiple blocks. When stackifier is fixed, they can be uncoupled.
unsigned Size = MVT::getSizeInBits(MVT::f64)/8;
MachineFunction &MF = DAG.getMachineFunction();
int SSFI = MF.getFrameInfo()->CreateStackObject(Size, Size);