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-rw-r--r--contrib/llvm/lib/Target/Sparc/SparcInstrInfo.cpp98
1 files changed, 17 insertions, 81 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.cpp b/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.cpp
index 8e49eca..3a4c80a 100644
--- a/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -109,38 +109,29 @@ unsigned SparcInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
unsigned
SparcInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
- const SmallVectorImpl<MachineOperand> &Cond)const{
- // FIXME this should probably take a DebugLoc argument
- DebugLoc dl;
+ const SmallVectorImpl<MachineOperand> &Cond,
+ DebugLoc DL)const{
// Can only insert uncond branches so far.
assert(Cond.empty() && !FBB && TBB && "Can only handle uncond branches!");
- BuildMI(&MBB, dl, get(SP::BA)).addMBB(TBB);
+ BuildMI(&MBB, DL, get(SP::BA)).addMBB(TBB);
return 1;
}
-bool SparcInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC,
- DebugLoc DL) const {
- if (DestRC != SrcRC) {
- // Not yet supported!
- return false;
- }
-
- if (DestRC == SP::IntRegsRegisterClass)
- BuildMI(MBB, I, DL, get(SP::ORrr), DestReg).addReg(SP::G0).addReg(SrcReg);
- else if (DestRC == SP::FPRegsRegisterClass)
- BuildMI(MBB, I, DL, get(SP::FMOVS), DestReg).addReg(SrcReg);
- else if (DestRC == SP::DFPRegsRegisterClass)
- BuildMI(MBB, I, DL, get(Subtarget.isV9() ? SP::FMOVD : SP::FpMOVD),DestReg)
- .addReg(SrcReg);
+void SparcInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) const {
+ if (SP::IntRegsRegClass.contains(DestReg, SrcReg))
+ BuildMI(MBB, I, DL, get(SP::ORrr), DestReg).addReg(SP::G0)
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (SP::FPRegsRegClass.contains(DestReg, SrcReg))
+ BuildMI(MBB, I, DL, get(SP::FMOVS), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (SP::DFPRegsRegClass.contains(DestReg, SrcReg))
+ BuildMI(MBB, I, DL, get(Subtarget.isV9() ? SP::FMOVD : SP::FpMOVD), DestReg)
+ .addReg(SrcReg, getKillRegState(KillSrc));
else
- // Can't copy this register
- return false;
-
- return true;
+ llvm_unreachable("Impossible reg-to-reg copy");
}
void SparcInstrInfo::
@@ -183,61 +174,6 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
llvm_unreachable("Can't load this register from stack slot");
}
-MachineInstr *SparcInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
- MachineInstr* MI,
- const SmallVectorImpl<unsigned> &Ops,
- int FI) const {
- if (Ops.size() != 1) return NULL;
-
- unsigned OpNum = Ops[0];
- bool isFloat = false;
- MachineInstr *NewMI = NULL;
- switch (MI->getOpcode()) {
- case SP::ORrr:
- if (MI->getOperand(1).isReg() && MI->getOperand(1).getReg() == SP::G0&&
- MI->getOperand(0).isReg() && MI->getOperand(2).isReg()) {
- if (OpNum == 0) // COPY -> STORE
- NewMI = BuildMI(MF, MI->getDebugLoc(), get(SP::STri))
- .addFrameIndex(FI)
- .addImm(0)
- .addReg(MI->getOperand(2).getReg());
- else // COPY -> LOAD
- NewMI = BuildMI(MF, MI->getDebugLoc(), get(SP::LDri),
- MI->getOperand(0).getReg())
- .addFrameIndex(FI)
- .addImm(0);
- }
- break;
- case SP::FMOVS:
- isFloat = true;
- // FALLTHROUGH
- case SP::FMOVD:
- 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) | 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) | getUndefRegState(isUndef))
- .addFrameIndex(FI)
- .addImm(0);
- }
- break;
- }
-
- return NewMI;
-}
-
unsigned SparcInstrInfo::getGlobalBaseReg(MachineFunction *MF) const
{
SparcMachineFunctionInfo *SparcFI = MF->getInfo<SparcMachineFunctionInfo>();
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