diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2006-01-17 21:58:21 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-01-17 21:58:21 +0000 |
| commit | feaed4d10707d4ecf0e4baaa0a8a7da4b1f3d360 (patch) | |
| tree | d8d5f1d0461a309099eff33d311e7024eee69b05 /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | 5e131f8d315c204d5b3a663bc82f2152dc30a883 (diff) | |
| download | bcm5719-llvm-feaed4d10707d4ecf0e4baaa0a8a7da4b1f3d360.tar.gz bcm5719-llvm-feaed4d10707d4ecf0e4baaa0a8a7da4b1f3d360.zip | |
Fix lowering of calls which return f32 values.
llvm-svn: 25413
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 5ed9691ebbc..1d71891dc50 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -548,6 +548,7 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy, Chain = Hi.getValue(1); break; } + case MVT::f32: case MVT::f64: { std::vector<MVT::ValueType> Tys; Tys.push_back(MVT::f64); @@ -580,6 +581,11 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy, DAG.getSrcValue(NULL)); Chain = RetVal.getValue(1); } + + if (RetTyVT == MVT::f32 && !X86ScalarSSE) + // FIXME: we would really like to remember that this FP_ROUND + // operation is okay to eliminate if we allow excess FP precision. + RetVal = DAG.getNode(ISD::FP_ROUND, MVT::f32, RetVal); break; } } @@ -1068,6 +1074,7 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy, Chain = Hi.getValue(1); break; } + case MVT::f32: case MVT::f64: { std::vector<MVT::ValueType> Tys; Tys.push_back(MVT::f64); @@ -1100,6 +1107,11 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy, DAG.getSrcValue(NULL)); Chain = RetVal.getValue(1); } + + if (RetTyVT == MVT::f32 && !X86ScalarSSE) + // FIXME: we would really like to remember that this FP_ROUND + // operation is okay to eliminate if we allow excess FP precision. + RetVal = DAG.getNode(ISD::FP_ROUND, MVT::f32, RetVal); break; } } |
