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| author | Evan Cheng <evan.cheng@apple.com> | 2008-06-16 07:33:11 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-06-16 07:33:11 +0000 |
| commit | 58dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6 (patch) | |
| tree | 0909e00e9275158712cd584f186f52b27cde04c5 /lib/Target/X86/X86InstrInfo.cpp | |
| parent | 355780128986e375c7ac2a75025ac129bb8280bf (diff) | |
| download | llvm-58dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6.tar.gz llvm-58dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6.tar.bz2 llvm-58dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6.tar.xz | |
Add option to commuteInstruction() which forces it to create a new (commuted) instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52308 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 4384426424..bbe5bd363e 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1146,7 +1146,8 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI, /// commuteInstruction - We have a few instructions that must be hacked on to /// commute them. /// -MachineInstr *X86InstrInfo::commuteInstruction(MachineInstr *MI) const { +MachineInstr * +X86InstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const { switch (MI->getOpcode()) { case X86::SHRD16rri8: // A = SHRD16rri8 B, C, I -> A = SHLD16rri8 C, B, (16-I) case X86::SHLD16rri8: // A = SHLD16rri8 B, C, I -> A = SHRD16rri8 C, B, (16-I) @@ -1276,7 +1277,7 @@ MachineInstr *X86InstrInfo::commuteInstruction(MachineInstr *MI) const { // Fallthrough intended. } default: - return TargetInstrInfoImpl::commuteInstruction(MI); + return TargetInstrInfoImpl::commuteInstruction(MI, NewMI); } } |