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Fix PR1033 and CodeGen/X86/bitcast.ll, by expanding bitcast to a load/store pair.

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This could be better, readme entry pending.

llvm-svn: 32228
This commit is contained in:
Chris Lattner 2006-12-05 18:22:22 +00:00
parent c90c14424c
commit 4ad68ab4d7
1 changed files with 5 additions and 0 deletions
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5
lib/Target/X86/X86ISelLowering.cpp
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@ -144,8 +144,13 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setOperationAction(ISD::FP_TO_UINT , MVT::i32 , Promote);
}
// TODO: when we have SSE, these could be more efficient, by using movd/movq.
setOperationAction(ISD::BIT_CONVERT , MVT::f32 , Expand);
setOperationAction(ISD::BIT_CONVERT , MVT::i32 , Expand);
if (Subtarget->is64Bit()) {
setOperationAction(ISD::BIT_CONVERT , MVT::f64 , Expand);
setOperationAction(ISD::BIT_CONVERT , MVT::i64 , Expand);
}
setOperationAction(ISD::BR_JT , MVT::Other, Expand);
setOperationAction(ISD::BRCOND , MVT::Other, Custom);