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Fix PR 1681. When X86 target uses +sse -sse2,

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keep f32 in SSE registers and f64 in x87.  This
is effectively a new codegen mode.
Change addLegalFPImmediate to permit float and
double variants to do different things.
Adjust callers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2007-09-23 14:52:20 +00:00
parent ab4456f10a
commit f1fc3a8fa6
8 changed files with 164 additions and 97 deletions
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2
lib/Target/Alpha/AlphaISelLowering.cpp
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@ -140,7 +140,9 @@ AlphaTargetLowering::AlphaTargetLowering(TargetMachine &TM) : TargetLowering(TM)
setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
addLegalFPImmediate(APFloat(+0.0)); //F31
addLegalFPImmediate(APFloat(+0.0f)); //F31
addLegalFPImmediate(APFloat(-0.0)); //-F31
addLegalFPImmediate(APFloat(-0.0f)); //-F31
setJumpBufSize(272);
setJumpBufAlignment(16);