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Replace copyRegToReg with copyPhysReg for MSP430.

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llvm-svn: 108080
This commit is contained in:
Jakob Stoklund Olesen 2010-07-11 06:53:30 +00:00
parent beb86cfa27
commit fb3525531b
2 changed files with 17 additions and 25 deletions
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33
lib/Target/MSP430/MSP430InstrInfo.cpp
View File

@ -83,27 +83,20 @@ void MSP430InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
llvm_unreachable("Cannot store this register to stack slot!");
}
bool MSP430InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC,
DebugLoc DL) const {
if (DestRC == SrcRC) {
unsigned Opc;
if (DestRC == &MSP430::GR16RegClass) {
Opc = MSP430::MOV16rr;
} else if (DestRC == &MSP430::GR8RegClass) {
Opc = MSP430::MOV8rr;
} else {
return false;
}
void MSP430InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const {
unsigned Opc;
if (MSP430::GR16RegClass.contains(DestReg, SrcReg))
Opc = MSP430::MOV16rr;
else if (MSP430::GR8RegClass.contains(DestReg, SrcReg))
Opc = MSP430::MOV8rr;
else
llvm_unreachable("Impossible reg-to-reg copy");
BuildMI(MBB, I, DL, get(Opc), DestReg).addReg(SrcReg);
return true;
}
return false;
BuildMI(MBB, I, DL, get(Opc), DestReg)
.addReg(SrcReg, getKillRegState(KillSrc));
}
bool

9
lib/Target/MSP430/MSP430InstrInfo.h
View File

@ -49,11 +49,10 @@ public:
///
virtual const TargetRegisterInfo &getRegisterInfo() const { return RI; }
bool copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC,
DebugLoc DL) const;
void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const;
bool isMoveInstr(const MachineInstr& MI,
unsigned &SrcReg, unsigned &DstReg,