Emit neg.s or neg.d only if -enable-no-nans-fp-math is supplied by user,
otherwise expand FNEG during legalization.
llvm-svn: 154546
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 842988c..6a23bc3 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -216,6 +216,11 @@
setOperationAction(ISD::FREM, MVT::f32, Expand);
setOperationAction(ISD::FREM, MVT::f64, Expand);
+ if (!TM.Options.NoNaNsFPMath) {
+ setOperationAction(ISD::FNEG, MVT::f32, Expand);
+ setOperationAction(ISD::FNEG, MVT::f64, Expand);
+ }
+
setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand);
setOperationAction(ISD::EHSELECTION, MVT::i32, Expand);