Author: dim
Date: Sat Sep 15 17:02:05 2012
New Revision: 240531
URL: http://svn.freebsd.org/changeset/base/240531
Log:
Pull in r163967 from upstream llvm trunk:
X86: Emitting x87 fsin/fcos for sinf/cosf is not safe without unsafe
fp math.
This should make clang emit calls to libm for sinf/cosf by default.
MFC after: 1 week
Modified:
head/contrib/llvm/lib/Target/X86/X86ISelLowering.cpp
Modified: head/contrib/llvm/lib/Target/X86/X86ISelLowering.cpp
==============================================================================
--- head/contrib/llvm/lib/Target/X86/X86ISelLowering.cpp Sat Sep 15
16:24:03 2012 (r240530)
+++ head/contrib/llvm/lib/Target/X86/X86ISelLowering.cpp Sat Sep 15
17:02:05 2012 (r240531)
@@ -643,7 +643,9 @@ X86TargetLowering::X86TargetLowering(X86
setOperationAction(ISD::FCOPYSIGN, MVT::f32, Expand);
if (!TM.Options.UnsafeFPMath) {
+ setOperationAction(ISD::FSIN , MVT::f32 , Expand);
setOperationAction(ISD::FSIN , MVT::f64 , Expand);
+ setOperationAction(ISD::FCOS , MVT::f32 , Expand);
setOperationAction(ISD::FCOS , MVT::f64 , Expand);
}
addLegalFPImmediate(APFloat(+0.0)); // FLD0
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