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Treat floating point ST1 the same as ST0 when lowering for a call result

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llvm-svn: 55135
This commit is contained in:
Mon P Wang 2008-08-21 19:54:16 +00:00
parent 2e728c44d5
commit bf7b94fd29
1 changed files with 2 additions and 1 deletions
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3
lib/Target/X86/X86ISelLowering.cpp
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@ -969,7 +969,8 @@ LowerCallResult(SDValue Chain, SDValue InFlag, SDNode *TheCall,
// If this is a call to a function that returns an fp value on the floating
// point stack, but where we prefer to use the value in xmm registers, copy
// it out as F80 and use a truncate to move it from fp stack reg to xmm reg.
if (RVLocs[i].getLocReg() == X86::ST0 &&
if ((RVLocs[i].getLocReg() == X86::ST0 ||
RVLocs[i].getLocReg() == X86::ST1) &&
isScalarFPTypeInSSEReg(RVLocs[i].getValVT())) {
CopyVT = MVT::f80;
}