Differential D86035 Diff 285934 llvm/lib/Target/VE/VERegisterInfo.cpp

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llvm/lib/Target/VE/VERegisterInfo.cpp

Show First 20 Lines • Show All 114 Lines • ▼ Show 20 Lines	void VERegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
const VEFrameLowering *TFI = getFrameLowering(MF);		const VEFrameLowering *TFI = getFrameLowering(MF);

Register FrameReg;		Register FrameReg;
int Offset;		int Offset;
Offset = TFI->getFrameIndexReference(MF, FrameIndex, FrameReg);		Offset = TFI->getFrameIndexReference(MF, FrameIndex, FrameReg);

Offset += MI.getOperand(FIOperandNum + 2).getImm();		Offset += MI.getOperand(FIOperandNum + 2).getImm();

		if (MI.getOpcode() == VE::STQrii) {
		const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
		Register SrcReg = MI.getOperand(3).getReg();
		Register SrcHiReg = getSubReg(SrcReg, VE::sub_even);
		Register SrcLoReg = getSubReg(SrcReg, VE::sub_odd);
		// VE stores HiReg to 8(addr) and LoReg to 0(addr)
		MachineInstr StMI = BuildMI(MI.getParent(), II, dl, TII.get(VE::STrii))
		.addReg(FrameReg)
		.addImm(0)
		.addImm(0)
		.addReg(SrcLoReg);
		replaceFI(MF, II, *StMI, dl, 0, Offset, FrameReg);
		MI.setDesc(TII.get(VE::STrii));
		MI.getOperand(3).setReg(SrcHiReg);
		Offset += 8;
		} else if (MI.getOpcode() == VE::LDQrii) {
		const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
		Register DestReg = MI.getOperand(0).getReg();
		Register DestHiReg = getSubReg(DestReg, VE::sub_even);
		Register DestLoReg = getSubReg(DestReg, VE::sub_odd);
		// VE loads HiReg from 8(addr) and LoReg from 0(addr)
		MachineInstr *StMI =
		BuildMI(*MI.getParent(), II, dl, TII.get(VE::LDrii), DestLoReg)
		.addReg(FrameReg)
		.addImm(0)
		.addImm(0);
		replaceFI(MF, II, *StMI, dl, 1, Offset, FrameReg);
		MI.setDesc(TII.get(VE::LDrii));
		MI.getOperand(0).setReg(DestHiReg);
		Offset += 8;
		}

replaceFI(MF, II, MI, dl, FIOperandNum, Offset, FrameReg);		replaceFI(MF, II, MI, dl, FIOperandNum, Offset, FrameReg);
}		}

Register VERegisterInfo::getFrameRegister(const MachineFunction &MF) const {		Register VERegisterInfo::getFrameRegister(const MachineFunction &MF) const {
return VE::SX9;		return VE::SX9;
}		}

// VE has no architectural need for stack realignment support,		// VE has no architectural need for stack realignment support,
Show All 21 Lines