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Extend thi

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62415 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-01-17 07:40:19 +00:00
parent 8e27826649
commit 030939c87b
1 changed files with 12 additions and 11 deletions
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23
lib/Target/X86/X86ISelLowering.cpp
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@ -121,11 +121,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::UINT_TO_FP , MVT::i64 , Custom);
// We have faster algorithm for ui32->single only.
#if 0
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Custom);
#else
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Expand);
#endif
} else
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Promote);
}
@ -4874,8 +4870,17 @@ SDValue X86TargetLowering::LowerUINT_TO_FP_i32(SDValue Op, SelectionDAG &DAG) {
SDValue Sub = DAG.getNode(ISD::FSUB, MVT::f64, Or, Bias);
// Handle final rounding.
return DAG.getNode(ISD::FP_ROUND, MVT::f32, Sub,
DAG.getIntPtrConstant(0));
MVT DestVT = Op.getValueType();
if (DestVT.bitsLT(MVT::f64)) {
return DAG.getNode(ISD::FP_ROUND, DestVT, Sub,
DAG.getIntPtrConstant(0));
} else if (DestVT.bitsGT(MVT::f64)) {
return DAG.getNode(ISD::FP_EXTEND, DestVT, Sub);
}
// Handle final rounding.
return Sub;
}
SDValue X86TargetLowering::LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
@ -4885,13 +4890,9 @@ SDValue X86TargetLowering::LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
// We only handle SSE2 f64 target here; caller can handle the rest.
if (Op.getValueType() != MVT::f64 || !X86ScalarSSEf64)
return SDValue();
return LowerUINT_TO_FP_i64(Op, DAG);
} else if (SrcVT == MVT::i32) {
// We only handle SSE2 f32 target here; caller can handle the rest.
if (Op.getValueType() != MVT::f32 || !X86ScalarSSEf32)
return SDValue();
return LowerUINT_TO_FP_i32(Op, DAG);
}