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| author | Lang Hames <lhames@gmail.com> | 2014-04-02 23:57:49 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2014-04-02 23:57:49 +0000 |
| commit | d285beabff6d4880da6badd1a574adfa572811b7 (patch) | |
| tree | 05522dfebe4bb979fa7bcb03873f9d0dc4ce157c /lib/Target/X86/X86InstrInfo.h | |
| parent | 9263e6f08d26384d076e8e314ba0e72fe8ad3e2f (diff) | |
| download | llvm-d285beabff6d4880da6badd1a574adfa572811b7.tar.gz llvm-d285beabff6d4880da6badd1a574adfa572811b7.tar.bz2 llvm-d285beabff6d4880da6badd1a574adfa572811b7.tar.xz | |
[X86] As per suggestion from Craig Topper and Hal Finkel, override
TargetInstrInfo::findCommutedOpIndices to enable VFMA*231 commutation, rather
than abusing commuteInstruction.
Thanks very much for the suggestion guys!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205489 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h index 9eaf6c1591..156291e78b 100644 --- a/lib/Target/X86/X86InstrInfo.h +++ b/lib/Target/X86/X86InstrInfo.h @@ -229,6 +229,9 @@ public: /// MachineInstr *commuteInstruction(MachineInstr *MI, bool NewMI) const override; + bool findCommutedOpIndices(MachineInstr *MI, unsigned &SrcOpIdx1, + unsigned &SrcOpIdx2) const override; + // Branch analysis. bool isUnpredicatedTerminator(const MachineInstr* MI) const override; bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, |