diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-15 12:44:27 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-15 12:44:27 +0000 |
| commit | 562b240fc5f461e536e58cde31a8204b1cfbebf4 (patch) | |
| tree | 5806ce6dc30172e4fb917a9bd897ebc187c8d7c9 /lib | |
| parent | 1c8db50a9aca4229ebee75ed9cfbf8b222292787 (diff) | |
X86: Emitting x87 fsin/fcos for sinf/cosf is not safe without unsafe fp math.
This was only an issue if sse is disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163967 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 8b624351aa..baa83c6511 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -647,7 +647,9 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) 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 |