diff options
Diffstat (limited to 'lib/Target/ARM')
-rw-r--r-- | lib/Target/ARM/ARMAsmPrinter.cpp | 12 | ||||
-rw-r--r-- | lib/Target/ARM/ARMFrameLowering.cpp | 10 | ||||
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 42 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb1FrameLowering.cpp | 6 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb1InstrInfo.cpp | 12 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb1RegisterInfo.cpp | 6 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb2ITBlockPass.cpp | 3 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb2InstrInfo.cpp | 19 | ||||
-rw-r--r-- | lib/Target/ARM/Thumb2SizeReduction.cpp | 2 |
9 files changed, 26 insertions, 86 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index 0988ff1f95..72408378be 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -1010,8 +1010,6 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { MI->dump(); assert(0 && "Unsupported opcode for unwinding information"); case ARM::MOVr: - case ARM::tMOVgpr2gpr: - case ARM::tMOVgpr2tgpr: Offset = 0; break; case ARM::ADDri: @@ -1456,7 +1454,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { case ARM::t2BR_JT: { // Lower and emit the instruction itself, then the jump table following it. MCInst TmpInst; - TmpInst.setOpcode(ARM::tMOVgpr2gpr); + TmpInst.setOpcode(ARM::tMOVr); TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); // Add predicate operands. @@ -1505,7 +1503,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // mov pc, target MCInst TmpInst; unsigned Opc = MI->getOpcode() == ARM::BR_JTr ? - ARM::MOVr : ARM::tMOVgpr2gpr; + ARM::MOVr : ARM::tMOVr; TmpInst.setOpcode(Opc); TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); @@ -1518,7 +1516,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { OutStreamer.EmitInstruction(TmpInst); // Make sure the Thumb jump table is 4-byte aligned. - if (Opc == ARM::tMOVgpr2gpr) + if (Opc == ARM::tMOVr) EmitAlignment(2); // Output the data for the jump table itself @@ -1610,7 +1608,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { MCSymbol *Label = GetARMSJLJEHLabel(); { MCInst TmpInst; - TmpInst.setOpcode(ARM::tMOVgpr2tgpr); + TmpInst.setOpcode(ARM::tMOVr); TmpInst.addOperand(MCOperand::CreateReg(ValReg)); TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); // Predicate. @@ -1829,7 +1827,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { } { MCInst TmpInst; - TmpInst.setOpcode(ARM::tMOVtgpr2gpr); + TmpInst.setOpcode(ARM::tMOVr); TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); // Predicate. diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp index 2b801458f8..9e943e44c9 100644 --- a/lib/Target/ARM/ARMFrameLowering.cpp +++ b/lib/Target/ARM/ARMFrameLowering.cpp @@ -268,13 +268,13 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const { // bic r4, r4, MaxAlign // mov sp, r4 // FIXME: It will be better just to find spare register here. - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2tgpr), ARM::R4) + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::R4) .addReg(ARM::SP, RegState::Kill)); AddDefaultCC(AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::t2BICri), ARM::R4) .addReg(ARM::R4, RegState::Kill) .addImm(MaxAlign-1))); - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVtgpr2gpr), ARM::SP) + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::SP) .addReg(ARM::R4, RegState::Kill)); } @@ -293,7 +293,7 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const { .addReg(ARM::SP) .addImm((unsigned)ARMCC::AL).addReg(0).addReg(0); else - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr), + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), RegInfo->getBaseRegister()) .addReg(ARM::SP)); } @@ -364,7 +364,7 @@ void ARMFrameLowering::emitEpilogue(MachineFunction &MF, "No scratch register to restore SP from FP!"); emitT2RegPlusImmediate(MBB, MBBI, dl, ARM::R4, FramePtr, -NumBytes, ARMCC::AL, 0, TII); - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr), + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::SP) .addReg(ARM::R4)); } @@ -374,7 +374,7 @@ void ARMFrameLowering::emitEpilogue(MachineFunction &MF, BuildMI(MBB, MBBI, dl, TII.get(ARM::MOVr), ARM::SP) .addReg(FramePtr).addImm((unsigned)ARMCC::AL).addReg(0).addReg(0); else - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr), + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::SP) .addReg(FramePtr)); } diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index b2bf344e42..0b14976b7f 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -1054,15 +1054,15 @@ def tMOVi8 : T1sI<(outs tGPR:$Rd), (ins imm0_255:$imm8), IIC_iMOVi, // TODO: A7-73: MOV(2) - mov setting flag. let neverHasSideEffects = 1 in { -def tMOVr : Thumb1pI<(outs tGPR:$Rd), (ins tGPR:$Rm), AddrModeNone, +def tMOVr : Thumb1pI<(outs GPR:$Rd), (ins GPR:$Rm), AddrModeNone, Size2Bytes, IIC_iMOVr, "mov", "\t$Rd, $Rm", "", []>, - T1Special<0b1000> { + T1Special<{1,0,?,?}> { // A8.6.97 bits<4> Rd; bits<4> Rm; - // Bits {7-6} are encoded by the T1Special value. - let Inst{5-3} = Rm{2-0}; + let Inst{7} = Rd{3}; + let Inst{6-3} = Rm; let Inst{2-0} = Rd{2-0}; } let Defs = [CPSR] in @@ -1075,40 +1075,6 @@ def tMOVSr : T1I<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iMOVr, let Inst{5-3} = Rm; let Inst{2-0} = Rd; } - -// FIXME: Do we really need separate instructions for GPR<-->tGPR like this? -// They all map to the same instruction (MOV encoding T1). -def tMOVgpr2tgpr : Thumb1pI<(outs tGPR:$Rd), (ins GPR:$Rm), AddrModeNone, - Size2Bytes, IIC_iMOVr, "mov", "\t$Rd, $Rm", "", []>, - T1Special<{1,0,0,?}> { - // A8.6.97 - bits<4> Rd; - bits<4> Rm; - // Bit {7} is encoded by the T1Special value. - let Inst{6-3} = Rm; - let Inst{2-0} = Rd{2-0}; -} -def tMOVtgpr2gpr : Thumb1pI<(outs GPR:$Rd), (ins tGPR:$Rm), AddrModeNone, - Size2Bytes, IIC_iMOVr, "mov", "\t$Rd, $Rm", "", []>, - T1Special<{1,0,?,0}> { - // A8.6.97 - bits<4> Rd; - bits<4> Rm; - // Bit {6} is encoded by the T1Special value. - let Inst{7} = Rd{3}; - let Inst{5-3} = Rm{2-0}; - let Inst{2-0} = Rd{2-0}; -} -def tMOVgpr2gpr : Thumb1pI<(outs GPR:$Rd), (ins GPR:$Rm), AddrModeNone, - Size2Bytes, IIC_iMOVr, "mov", "\t$Rd, $Rm", "", []>, - T1Special<{1,0,?,?}> { - // A8.6.97 - bits<4> Rd; - bits<4> Rm; - let Inst{7} = Rd{3}; - let Inst{6-3} = Rm; - let Inst{2-0} = Rd{2-0}; -} } // neverHasSideEffects // Multiply register diff --git a/lib/Target/ARM/Thumb1FrameLowering.cpp b/lib/Target/ARM/Thumb1FrameLowering.cpp index 326d4af198..48211d852f 100644 --- a/lib/Target/ARM/Thumb1FrameLowering.cpp +++ b/lib/Target/ARM/Thumb1FrameLowering.cpp @@ -160,7 +160,7 @@ void Thumb1FrameLowering::emitPrologue(MachineFunction &MF) const { // will be allocated after this, so we can still use the base pointer // to reference locals. if (RegInfo->hasBasePointer(MF)) - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr), BasePtr) + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), BasePtr) .addReg(ARM::SP)); // If the frame has variable sized objects then the epilogue must restore @@ -240,11 +240,11 @@ void Thumb1FrameLowering::emitEpilogue(MachineFunction &MF, "No scratch register to restore SP from FP!"); emitThumbRegPlusImmediate(MBB, MBBI, dl, ARM::R4, FramePtr, -NumBytes, TII, *RegInfo); - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVtgpr2gpr), + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::SP) .addReg(ARM::R4)); } else - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVtgpr2gpr), + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr), ARM::SP) .addReg(FramePtr)); } else { diff --git a/lib/Target/ARM/Thumb1InstrInfo.cpp b/lib/Target/ARM/Thumb1InstrInfo.cpp index 614ba816b1..218311d78d 100644 --- a/lib/Target/ARM/Thumb1InstrInfo.cpp +++ b/lib/Target/ARM/Thumb1InstrInfo.cpp @@ -36,17 +36,7 @@ void Thumb1InstrInfo::copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned DestReg, unsigned SrcReg, bool KillSrc) const { - bool tDest = ARM::tGPRRegClass.contains(DestReg); - bool tSrc = ARM::tGPRRegClass.contains(SrcReg); - unsigned Opc = ARM::tMOVgpr2gpr; - if (tDest && tSrc) - Opc = ARM::tMOVr; - else if (tSrc) - Opc = ARM::tMOVtgpr2gpr; - else if (tDest) - Opc = ARM::tMOVgpr2tgpr; - - AddDefaultPred(BuildMI(MBB, I, DL, get(Opc), DestReg) + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::tMOVr), DestReg) .addReg(SrcReg, getKillRegState(KillSrc))); assert(ARM::GPRRegClass.contains(DestReg, SrcReg) && "Thumb1 can only copy GPR registers"); diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp index 95fbe8cbe4..4eb0b6c93e 100644 --- a/lib/Target/ARM/Thumb1RegisterInfo.cpp +++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp @@ -417,7 +417,7 @@ rewriteFrameIndex(MachineBasicBlock::iterator II, unsigned FrameRegIdx, unsigned PredReg; if (Offset == 0 && getInstrPredicate(&MI, PredReg) == ARMCC::AL) { // Turn it into a move. - MI.setDesc(TII.get(ARM::tMOVgpr2tgpr)); + MI.setDesc(TII.get(ARM::tMOVr)); MI.getOperand(FrameRegIdx).ChangeToRegister(FrameReg, false); // Remove offset and add predicate operands. MI.RemoveOperand(FrameRegIdx+1); @@ -564,7 +564,7 @@ Thumb1RegisterInfo::saveScavengerRegister(MachineBasicBlock &MBB, // the function, the offset will be negative. Use R12 instead since that's // a call clobbered register that we know won't be used in Thumb1 mode. DebugLoc DL; - AddDefaultPred(BuildMI(MBB, I, DL, TII.get(ARM::tMOVtgpr2gpr)) + AddDefaultPred(BuildMI(MBB, I, DL, TII.get(ARM::tMOVr)) .addReg(ARM::R12, RegState::Define) .addReg(Reg, RegState::Kill)); @@ -589,7 +589,7 @@ Thumb1RegisterInfo::saveScavengerRegister(MachineBasicBlock &MBB, } } // Restore the register from R12 - AddDefaultPred(BuildMI(MBB, UseMI, DL, TII.get(ARM::tMOVgpr2tgpr)). + AddDefaultPred(BuildMI(MBB, UseMI, DL, TII.get(ARM::tMOVr)). addReg(Reg, RegState::Define).addReg(ARM::R12, RegState::Kill)); return true; diff --git a/lib/Target/ARM/Thumb2ITBlockPass.cpp b/lib/Target/ARM/Thumb2ITBlockPass.cpp index 45e693744b..360ec009e2 100644 --- a/lib/Target/ARM/Thumb2ITBlockPass.cpp +++ b/lib/Target/ARM/Thumb2ITBlockPass.cpp @@ -98,9 +98,6 @@ static bool isCopy(MachineInstr *MI) { case ARM::MOVr: case ARM::MOVr_TC: case ARM::tMOVr: - case ARM::tMOVgpr2tgpr: - case ARM::tMOVtgpr2gpr: - case ARM::tMOVgpr2gpr: case ARM::t2MOVr: return true; } diff --git a/lib/Target/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp index d958693d36..51b56aaeb0 100644 --- a/lib/Target/ARM/Thumb2InstrInfo.cpp +++ b/lib/Target/ARM/Thumb2InstrInfo.cpp @@ -112,17 +112,7 @@ void Thumb2InstrInfo::copyPhysReg(MachineBasicBlock &MBB, if (!ARM::GPRRegClass.contains(DestReg, SrcReg)) return ARMBaseInstrInfo::copyPhysReg(MBB, I, DL, DestReg, SrcReg, KillSrc); - bool tDest = ARM::tGPRRegClass.contains(DestReg); - bool tSrc = ARM::tGPRRegClass.contains(SrcReg); - unsigned Opc = ARM::tMOVgpr2gpr; - if (tDest && tSrc) - Opc = ARM::tMOVr; - else if (tSrc) - Opc = ARM::tMOVtgpr2gpr; - else if (tDest) - Opc = ARM::tMOVgpr2tgpr; - - AddDefaultPred(BuildMI(MBB, I, DL, get(Opc), DestReg) + AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::tMOVr), DestReg) .addReg(SrcReg, getKillRegState(KillSrc))); } @@ -231,7 +221,7 @@ void llvm::emitT2RegPlusImmediate(MachineBasicBlock &MBB, unsigned Opc = 0; if (DestReg == ARM::SP && BaseReg != ARM::SP) { // mov sp, rn. Note t2MOVr cannot be used. - AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVgpr2gpr),DestReg) + AddDefaultPred(BuildMI(MBB, MBBI, dl, TII.get(ARM::tMOVr),DestReg) .addReg(BaseReg).setMIFlags(MIFlags)); BaseReg = ARM::SP; continue; @@ -409,7 +399,7 @@ bool llvm::rewriteT2FrameIndex(MachineInstr &MI, unsigned FrameRegIdx, unsigned PredReg; if (Offset == 0 && getInstrPredicate(&MI, PredReg) == ARMCC::AL) { // Turn it into a move. - MI.setDesc(TII.get(ARM::tMOVgpr2gpr)); + MI.setDesc(TII.get(ARM::tMOVr)); MI.getOperand(FrameRegIdx).ChangeToRegister(FrameReg, false); // Remove offset and remaining explicit predicate operands. do MI.RemoveOperand(FrameRegIdx+1); @@ -575,8 +565,7 @@ void Thumb2InstrInfo::scheduleTwoAddrSource(MachineInstr *SrcMI, MachineInstr *UseMI, const TargetRegisterInfo &TRI) const { - if (SrcMI->getOpcode() != ARM::tMOVgpr2gpr || - SrcMI->getOperand(1).isKill()) + if (SrcMI->getOpcode() != ARM::tMOVr || SrcMI->getOperand(1).isKill()) return; unsigned PredReg = 0; diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp index cb44f8e71c..24a037c468 100644 --- a/lib/Target/ARM/Thumb2SizeReduction.cpp +++ b/lib/Target/ARM/Thumb2SizeReduction.cpp @@ -82,7 +82,7 @@ namespace { { ARM::t2MOVi, ARM::tMOVi8, 0, 8, 0, 1, 0, 0,0, 0,0 }, { ARM::t2MOVi16,ARM::tMOVi8, 0, 8, 0, 1, 0, 0,0, 0,1 }, // FIXME: Do we need the 16-bit 'S' variant? - { ARM::t2MOVr,ARM::tMOVgpr2gpr,0, 0, 0, 0, 0, 1,0, 0,0 }, + { ARM::t2MOVr,ARM::tMOVr, 0, 0, 0, 0, 0, 1,0, 0,0 }, { ARM::t2MOVCCr,0, ARM::tMOVCCr, 0, 0, 0, 0, 0,1, 0,0 }, { ARM::t2MOVCCi,0, ARM::tMOVCCi, 0, 8, 0, 1, 0,1, 0,0 }, { ARM::t2MUL, 0, ARM::tMUL, 0, 0, 0, 1, 0,0, 1,0 }, |