diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2018-03-04 15:03:44 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-03-04 15:03:44 +0000 |
| commit | 2ed8710148a921286717212737771dd31c518fb7 (patch) | |
| tree | 11e6ec232f43d0fce0828bc7c022046fab5b62cb /lib/Target/X86/X86ISelLowering.cpp | |
| parent | 0f8e52dfc671bf6e2c09c8a28062ec76237954ea (diff) | |
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 9237833a2cd0..10e19f92b4a6 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -35520,7 +35520,7 @@ static SDValue combineFneg(SDNode *N, SelectionDAG &DAG, // If we're negating an FMA node, then we can adjust the // instruction to include the extra negation. unsigned NewOpcode = 0; - if (Arg.hasOneUse()) { + if (Arg.hasOneUse() && Subtarget.hasAnyFMA()) { switch (Arg.getOpcode()) { case ISD::FMA: NewOpcode = X86ISD::FNMSUB; break; case X86ISD::FMSUB: NewOpcode = X86ISD::FNMADD; break; |