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| author | Christian Konig <christian.koenig@amd.com> | 2013-03-27 09:12:59 +0000 |
|---|---|---|
| committer | Christian Konig <christian.koenig@amd.com> | 2013-03-27 09:12:59 +0000 |
| commit | e49230895d9c666b84beaa748259fbf1f6715122 (patch) | |
| tree | b300cd1efed44d08c7e9fd3bbf93e1da1bb0130e /lib/Target/R600/SIInstrInfo.cpp | |
| parent | 45b14e341a8a85e877d001bbd43f5e2b25b61cb8 (diff) | |
| download | llvm-e49230895d9c666b84beaa748259fbf1f6715122.tar.gz llvm-e49230895d9c666b84beaa748259fbf1f6715122.tar.bz2 llvm-e49230895d9c666b84beaa748259fbf1f6715122.tar.xz | |
R600/SI: add cummuting of rev instructions
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178127 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/SIInstrInfo.cpp')
| -rw-r--r-- | lib/Target/R600/SIInstrInfo.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/Target/R600/SIInstrInfo.cpp b/lib/Target/R600/SIInstrInfo.cpp index b9b25b5ecf..0bfcef562f 100644 --- a/lib/Target/R600/SIInstrInfo.cpp +++ b/lib/Target/R600/SIInstrInfo.cpp @@ -158,6 +158,21 @@ SIInstrInfo::copyPhysReg(MachineBasicBlock &MBB, } } +unsigned SIInstrInfo::commuteOpcode(unsigned Opcode) const { + + int NewOpc; + + // Try to map original to commuted opcode + if ((NewOpc = AMDGPU::getCommuteRev(Opcode)) != -1) + return NewOpc; + + // Try to map commuted to original opcode + if ((NewOpc = AMDGPU::getCommuteOrig(Opcode)) != -1) + return NewOpc; + + return Opcode; +} + MachineInstr *SIInstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const { @@ -165,7 +180,12 @@ MachineInstr *SIInstrInfo::commuteInstruction(MachineInstr *MI, !MI->getOperand(2).isReg()) return 0; - return TargetInstrInfo::commuteInstruction(MI, NewMI); + MI = TargetInstrInfo::commuteInstruction(MI, NewMI); + + if (MI) + MI->setDesc(get(commuteOpcode(MI->getOpcode()))); + + return MI; } MachineInstr * SIInstrInfo::getMovImmInstr(MachineFunction *MF, unsigned DstReg, |