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SSE does not support i64 SINT_TO_FP (FP stack doesn't either, but we custom

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expand it), so ask legalizer to expand i32 UINT_TO_FP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25386 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-17 02:32:49 +00:00
parent 362071d7d4
commit 6892f28e99
1 changed files with 6 additions and 1 deletions
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7
lib/Target/X86/X86ISelLowering.cpp
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@ -52,7 +52,12 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setOperationAction(ISD::UINT_TO_FP , MVT::i1 , Promote);
setOperationAction(ISD::UINT_TO_FP , MVT::i8 , Promote);
setOperationAction(ISD::UINT_TO_FP , MVT::i16 , Promote);
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Promote);
if (X86ScalarSSE)
// No SSE i64 SINT_TO_FP, so expand i32 UINT_TO_FP instead.
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Expand);
else
setOperationAction(ISD::UINT_TO_FP , MVT::i32 , Promote);
// Promote i1/i8 SINT_TO_FP to larger SINT_TO_FP's, as X86 doesn't have
// this operation.