Author: johannes
Date: Sat Oct 20 20:07:44 2007
New Revision: 43205
URL: http://llvm.org/viewvc/llvm-project?rev=43205&view=rev
Log:
Allow for copysign having f80 second argument.
Fixes 5550319.
Modified:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=43205&r1=43204&r2=43205&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Oct 20 20:07:44 2007
@@ -4040,6 +4040,15 @@
SrcVT = VT;
SrcTy = MVT::getTypeForValueType(SrcVT);
}
+ // And if it is bigger, shrink it first.
+ if (MVT::getSizeInBits(SrcVT) > MVT::getSizeInBits(VT)) {
+ Op1 = DAG.getNode(ISD::FP_ROUND, VT, Op1);
+ SrcVT = VT;
+ SrcTy = MVT::getTypeForValueType(SrcVT);
+ }
+
+ // At this point the operands and the result should have the same
+ // type, and that won't be f80 since that is not custom lowered.
// First get the sign bit of second operand.
std::vector<Constant*> CV;
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