diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 5ed9691ebb..1d71891dc5 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/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; } } |