diff options
| author | Ed Schouten <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
|---|---|---|
| committer | Ed Schouten <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
| commit | 18f153bdb9db52e7089a2d5293b96c45a3124a26 (patch) | |
| tree | 84360c8989c912127a383af37c4b1aa5767bd16e /lib/Target/Sparc/SparcInstrInfo.cpp | |
| parent | f859468f5a21b6952ab62917777f9fb3bba57003 (diff) | |
Diffstat (limited to 'lib/Target/Sparc/SparcInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Sparc/SparcInstrInfo.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp index d2f6b9bdcb3d..12c286af9428 100644 --- a/lib/Target/Sparc/SparcInstrInfo.cpp +++ b/lib/Target/Sparc/SparcInstrInfo.cpp @@ -256,17 +256,20 @@ MachineInstr *SparcInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // COPY -> STORE unsigned SrcReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = BuildMI(MF, MI->getDebugLoc(), get(isFloat ? SP::STFri : SP::STDFri)) .addFrameIndex(FI) .addImm(0) - .addReg(SrcReg, getKillRegState(isKill)); + .addReg(SrcReg, getKillRegState(isKill) | getUndefRegState(isUndef)); } else { // COPY -> LOAD unsigned DstReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = BuildMI(MF, MI->getDebugLoc(), get(isFloat ? SP::LDFri : SP::LDDFri)) - .addReg(DstReg, RegState::Define | getDeadRegState(isDead)) + .addReg(DstReg, RegState::Define | + getDeadRegState(isDead) | getUndefRegState(isUndef)) .addFrameIndex(FI) .addImm(0); } |