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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f4e1cb1..48f4f15 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -418,6 +418,10 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setOperationAction(ISD::UNDEF, MVT::f80, Expand);
setOperationAction(ISD::FCOPYSIGN, MVT::f80, Expand);
setOperationAction(ISD::ConstantFP, MVT::f80, Expand);
+ if (!UnsafeFPMath) {
+ setOperationAction(ISD::FSIN , MVT::f80 , Expand);
+ setOperationAction(ISD::FCOS , MVT::f80 , Expand);
+ }
// First set operation action for all vector types to expand. Then we
// will selectively turn on ones that can be effectively codegen'd.