#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
MipsSEInstrInfo::MipsSEInstrInfo(MipsTargetMachine &tm)
: MipsInstrInfo(tm,
tm.getRelocationModel() == Reloc::PIC_ ? Mips::B : Mips::J),
- RI(*tm.getSubtargetImpl(), *this),
+ RI(*tm.getSubtargetImpl()),
IsN64(tm.getSubtarget<MipsSubtarget>().isABI_N64()) {}
const MipsRegisterInfo &MipsSEInstrInfo::getRegisterInfo() const {
{
unsigned Opc = MI->getOpcode();
- if ((Opc == Mips::LW) || (Opc == Mips::LW_P8) || (Opc == Mips::LD) ||
- (Opc == Mips::LD_P8) || (Opc == Mips::LWC1) || (Opc == Mips::LWC1_P8) ||
- (Opc == Mips::LDC1) || (Opc == Mips::LDC164) ||
- (Opc == Mips::LDC164_P8)) {
+ if ((Opc == Mips::LW) || (Opc == Mips::LD) ||
+ (Opc == Mips::LWC1) || (Opc == Mips::LDC1) || (Opc == Mips::LDC164)) {
if ((MI->getOperand(1).isFI()) && // is a stack slot
(MI->getOperand(2).isImm()) && // the imm is zero
(isZeroImm(MI->getOperand(2)))) {
{
unsigned Opc = MI->getOpcode();
- if ((Opc == Mips::SW) || (Opc == Mips::SW_P8) || (Opc == Mips::SD) ||
- (Opc == Mips::SD_P8) || (Opc == Mips::SWC1) || (Opc == Mips::SWC1_P8) ||
- (Opc == Mips::SDC1) || (Opc == Mips::SDC164) ||
- (Opc == Mips::SDC164_P8)) {
+ if ((Opc == Mips::SW) || (Opc == Mips::SD) ||
+ (Opc == Mips::SWC1) || (Opc == Mips::SDC1) || (Opc == Mips::SDC164)) {
if ((MI->getOperand(1).isFI()) && // is a stack slot
(MI->getOperand(2).isImm()) && // the imm is zero
(isZeroImm(MI->getOperand(2)))) {
bool KillSrc) const {
unsigned Opc = 0, ZeroReg = 0;
- if (Mips::CPURegsRegClass.contains(DestReg)) { // Copy to CPU Reg.
- if (Mips::CPURegsRegClass.contains(SrcReg))
- Opc = Mips::OR, ZeroReg = Mips::ZERO;
+ if (Mips::GPR32RegClass.contains(DestReg)) { // Copy to CPU Reg.
+ if (Mips::GPR32RegClass.contains(SrcReg))
+ Opc = Mips::ADDu, ZeroReg = Mips::ZERO;
else if (Mips::CCRRegClass.contains(SrcReg))
Opc = Mips::CFC1;
else if (Mips::FGR32RegClass.contains(SrcReg))
Opc = Mips::MFC1;
- else if (Mips::HIRegsRegClass.contains(SrcReg))
+ else if (Mips::HI32RegClass.contains(SrcReg))
Opc = Mips::MFHI, SrcReg = 0;
- else if (Mips::LORegsRegClass.contains(SrcReg))
+ else if (Mips::LO32RegClass.contains(SrcReg))
Opc = Mips::MFLO, SrcReg = 0;
- else if (Mips::HIRegsDSPRegClass.contains(SrcReg))
+ else if (Mips::HI32DSPRegClass.contains(SrcReg))
Opc = Mips::MFHI_DSP;
- else if (Mips::LORegsDSPRegClass.contains(SrcReg))
+ else if (Mips::LO32DSPRegClass.contains(SrcReg))
Opc = Mips::MFLO_DSP;
+ else if (Mips::DSPCCRegClass.contains(SrcReg)) {
+ BuildMI(MBB, I, DL, get(Mips::RDDSP), DestReg).addImm(1 << 4)
+ .addReg(SrcReg, RegState::Implicit | getKillRegState(KillSrc));
+ return;
+ }
+ else if (Mips::MSACtrlRegClass.contains(SrcReg))
+ Opc = Mips::CFCMSA;
}
- else if (Mips::CPURegsRegClass.contains(SrcReg)) { // Copy from CPU Reg.
+ else if (Mips::GPR32RegClass.contains(SrcReg)) { // Copy from CPU Reg.
if (Mips::CCRRegClass.contains(DestReg))
Opc = Mips::CTC1;
else if (Mips::FGR32RegClass.contains(DestReg))
Opc = Mips::MTC1;
- else if (Mips::HIRegsRegClass.contains(DestReg))
+ else if (Mips::HI32RegClass.contains(DestReg))
Opc = Mips::MTHI, DestReg = 0;
- else if (Mips::LORegsRegClass.contains(DestReg))
+ else if (Mips::LO32RegClass.contains(DestReg))
Opc = Mips::MTLO, DestReg = 0;
- else if (Mips::HIRegsDSPRegClass.contains(DestReg))
+ else if (Mips::HI32DSPRegClass.contains(DestReg))
Opc = Mips::MTHI_DSP;
- else if (Mips::LORegsDSPRegClass.contains(DestReg))
+ else if (Mips::LO32DSPRegClass.contains(DestReg))
Opc = Mips::MTLO_DSP;
+ else if (Mips::DSPCCRegClass.contains(DestReg)) {
+ BuildMI(MBB, I, DL, get(Mips::WRDSP))
+ .addReg(SrcReg, getKillRegState(KillSrc)).addImm(1 << 4)
+ .addReg(DestReg, RegState::ImplicitDefine);
+ return;
+ }
+ else if (Mips::MSACtrlRegClass.contains(DestReg))
+ Opc = Mips::CTCMSA;
}
else if (Mips::FGR32RegClass.contains(DestReg, SrcReg))
Opc = Mips::FMOV_S;
Opc = Mips::FMOV_D32;
else if (Mips::FGR64RegClass.contains(DestReg, SrcReg))
Opc = Mips::FMOV_D64;
- else if (Mips::CCRRegClass.contains(DestReg, SrcReg))
- Opc = Mips::MOVCCRToCCR;
- else if (Mips::CPU64RegsRegClass.contains(DestReg)) { // Copy to CPU64 Reg.
- if (Mips::CPU64RegsRegClass.contains(SrcReg))
- Opc = Mips::OR64, ZeroReg = Mips::ZERO_64;
- else if (Mips::HIRegs64RegClass.contains(SrcReg))
+ else if (Mips::GPR64RegClass.contains(DestReg)) { // Copy to CPU64 Reg.
+ if (Mips::GPR64RegClass.contains(SrcReg))
+ Opc = Mips::DADDu, ZeroReg = Mips::ZERO_64;
+ else if (Mips::HI64RegClass.contains(SrcReg))
Opc = Mips::MFHI64, SrcReg = 0;
- else if (Mips::LORegs64RegClass.contains(SrcReg))
+ else if (Mips::LO64RegClass.contains(SrcReg))
Opc = Mips::MFLO64, SrcReg = 0;
else if (Mips::FGR64RegClass.contains(SrcReg))
Opc = Mips::DMFC1;
}
- else if (Mips::CPU64RegsRegClass.contains(SrcReg)) { // Copy from CPU64 Reg.
- if (Mips::HIRegs64RegClass.contains(DestReg))
+ else if (Mips::GPR64RegClass.contains(SrcReg)) { // Copy from CPU64 Reg.
+ if (Mips::HI64RegClass.contains(DestReg))
Opc = Mips::MTHI64, DestReg = 0;
- else if (Mips::LORegs64RegClass.contains(DestReg))
+ else if (Mips::LO64RegClass.contains(DestReg))
Opc = Mips::MTLO64, DestReg = 0;
else if (Mips::FGR64RegClass.contains(DestReg))
Opc = Mips::DMTC1;
unsigned Opc = 0;
- if (Mips::CPURegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::SW_P8 : Mips::SW;
- else if (Mips::CPU64RegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::SD_P8 : Mips::SD;
- else if (Mips::ACRegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::STORE_AC64_P8 : Mips::STORE_AC64;
- else if (Mips::ACRegsDSPRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::STORE_AC_DSP_P8 : Mips::STORE_AC_DSP;
- else if (Mips::ACRegs128RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::STORE_AC128_P8 : Mips::STORE_AC128;
+ if (Mips::GPR32RegClass.hasSubClassEq(RC))
+ Opc = Mips::SW;
+ else if (Mips::GPR64RegClass.hasSubClassEq(RC))
+ Opc = Mips::SD;
+ else if (Mips::ACC64RegClass.hasSubClassEq(RC))
+ Opc = Mips::STORE_ACC64;
+ else if (Mips::ACC64DSPRegClass.hasSubClassEq(RC))
+ Opc = Mips::STORE_ACC64DSP;
+ else if (Mips::ACC128RegClass.hasSubClassEq(RC))
+ Opc = Mips::STORE_ACC128;
+ else if (Mips::DSPCCRegClass.hasSubClassEq(RC))
+ Opc = Mips::STORE_CCOND_DSP;
else if (Mips::FGR32RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::SWC1_P8 : Mips::SWC1;
+ Opc = Mips::SWC1;
else if (Mips::AFGR64RegClass.hasSubClassEq(RC))
Opc = Mips::SDC1;
else if (Mips::FGR64RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::SDC164_P8 : Mips::SDC164;
+ Opc = Mips::SDC164;
+ else if (RC->hasType(MVT::v16i8))
+ Opc = Mips::ST_B;
+ else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+ Opc = Mips::ST_H;
+ else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+ Opc = Mips::ST_W;
+ else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+ Opc = Mips::ST_D;
assert(Opc && "Register class not handled!");
BuildMI(MBB, I, DL, get(Opc)).addReg(SrcReg, getKillRegState(isKill))
MachineMemOperand *MMO = GetMemOperand(MBB, FI, MachineMemOperand::MOLoad);
unsigned Opc = 0;
- if (Mips::CPURegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LW_P8 : Mips::LW;
- else if (Mips::CPU64RegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LD_P8 : Mips::LD;
- else if (Mips::ACRegsRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LOAD_AC64_P8 : Mips::LOAD_AC64;
- else if (Mips::ACRegsDSPRegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LOAD_AC_DSP_P8 : Mips::LOAD_AC_DSP;
- else if (Mips::ACRegs128RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LOAD_AC128_P8 : Mips::LOAD_AC128;
+ if (Mips::GPR32RegClass.hasSubClassEq(RC))
+ Opc = Mips::LW;
+ else if (Mips::GPR64RegClass.hasSubClassEq(RC))
+ Opc = Mips::LD;
+ else if (Mips::ACC64RegClass.hasSubClassEq(RC))
+ Opc = Mips::LOAD_ACC64;
+ else if (Mips::ACC64DSPRegClass.hasSubClassEq(RC))
+ Opc = Mips::LOAD_ACC64DSP;
+ else if (Mips::ACC128RegClass.hasSubClassEq(RC))
+ Opc = Mips::LOAD_ACC128;
+ else if (Mips::DSPCCRegClass.hasSubClassEq(RC))
+ Opc = Mips::LOAD_CCOND_DSP;
else if (Mips::FGR32RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LWC1_P8 : Mips::LWC1;
+ Opc = Mips::LWC1;
else if (Mips::AFGR64RegClass.hasSubClassEq(RC))
Opc = Mips::LDC1;
else if (Mips::FGR64RegClass.hasSubClassEq(RC))
- Opc = IsN64 ? Mips::LDC164_P8 : Mips::LDC164;
+ Opc = Mips::LDC164;
+ else if (RC->hasType(MVT::v16i8))
+ Opc = Mips::LD_B;
+ else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+ Opc = Mips::LD_H;
+ else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+ Opc = Mips::LD_W;
+ else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+ Opc = Mips::LD_D;
assert(Opc && "Register class not handled!");
BuildMI(MBB, I, DL, get(Opc), DestReg).addFrameIndex(FI).addImm(Offset)
default:
return false;
case Mips::RetRA:
- ExpandRetRA(MBB, MI, Mips::RET);
+ expandRetRA(MBB, MI, Mips::RET);
+ break;
+ case Mips::PseudoCVT_S_W:
+ expandCvtFPInt(MBB, MI, Mips::CVT_S_W, Mips::MTC1, false);
+ break;
+ case Mips::PseudoCVT_D32_W:
+ expandCvtFPInt(MBB, MI, Mips::CVT_D32_W, Mips::MTC1, false);
+ break;
+ case Mips::PseudoCVT_S_L:
+ expandCvtFPInt(MBB, MI, Mips::CVT_S_L, Mips::DMTC1, true);
+ break;
+ case Mips::PseudoCVT_D64_W:
+ expandCvtFPInt(MBB, MI, Mips::CVT_D64_W, Mips::MTC1, true);
+ break;
+ case Mips::PseudoCVT_D64_L:
+ expandCvtFPInt(MBB, MI, Mips::CVT_D64_L, Mips::DMTC1, true);
break;
case Mips::BuildPairF64:
- ExpandBuildPairF64(MBB, MI);
+ expandBuildPairF64(MBB, MI, false);
+ break;
+ case Mips::BuildPairF64_64:
+ expandBuildPairF64(MBB, MI, true);
break;
case Mips::ExtractElementF64:
- ExpandExtractElementF64(MBB, MI);
+ expandExtractElementF64(MBB, MI, false);
+ break;
+ case Mips::ExtractElementF64_64:
+ expandExtractElementF64(MBB, MI, true);
break;
case Mips::MIPSeh_return32:
case Mips::MIPSeh_return64:
- ExpandEhReturn(MBB, MI);
+ expandEhReturn(MBB, MI);
break;
}
return true;
}
-/// GetOppositeBranchOpc - Return the inverse of the specified
+/// getOppositeBranchOpc - Return the inverse of the specified
/// opcode, e.g. turning BEQ to BNE.
-unsigned MipsSEInstrInfo::GetOppositeBranchOpc(unsigned Opc) const {
+unsigned MipsSEInstrInfo::getOppositeBranchOpc(unsigned Opc) const {
switch (Opc) {
default: llvm_unreachable("Illegal opcode!");
case Mips::BEQ: return Mips::BNE;
unsigned LUi = STI.isABI_N64() ? Mips::LUi64 : Mips::LUi;
unsigned ZEROReg = STI.isABI_N64() ? Mips::ZERO_64 : Mips::ZERO;
const TargetRegisterClass *RC = STI.isABI_N64() ?
- &Mips::CPU64RegsRegClass : &Mips::CPURegsRegClass;
+ &Mips::GPR64RegClass : &Mips::GPR32RegClass;
bool LastInstrIsADDiu = NewImm;
const MipsAnalyzeImmediate::InstSeq &Seq =
return Reg;
}
-unsigned MipsSEInstrInfo::GetAnalyzableBrOpc(unsigned Opc) const {
+unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const {
return (Opc == Mips::BEQ || Opc == Mips::BNE || Opc == Mips::BGTZ ||
Opc == Mips::BGEZ || Opc == Mips::BLTZ || Opc == Mips::BLEZ ||
Opc == Mips::BEQ64 || Opc == Mips::BNE64 || Opc == Mips::BGTZ64 ||
Opc : 0;
}
-void MipsSEInstrInfo::ExpandRetRA(MachineBasicBlock &MBB,
+void MipsSEInstrInfo::expandRetRA(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned Opc) const {
BuildMI(MBB, I, I->getDebugLoc(), get(Opc)).addReg(Mips::RA);
}
-void MipsSEInstrInfo::ExpandExtractElementF64(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const {
+std::pair<bool, bool>
+MipsSEInstrInfo::compareOpndSize(unsigned Opc,
+ const MachineFunction &MF) const {
+ const MCInstrDesc &Desc = get(Opc);
+ assert(Desc.NumOperands == 2 && "Unary instruction expected.");
+ const MipsRegisterInfo *RI = &getRegisterInfo();
+ unsigned DstRegSize = getRegClass(Desc, 0, RI, MF)->getSize();
+ unsigned SrcRegSize = getRegClass(Desc, 1, RI, MF)->getSize();
+
+ return std::make_pair(DstRegSize > SrcRegSize, DstRegSize < SrcRegSize);
+}
+
+void MipsSEInstrInfo::expandCvtFPInt(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ unsigned CvtOpc, unsigned MovOpc,
+ bool IsI64) const {
+ const MCInstrDesc &CvtDesc = get(CvtOpc), &MovDesc = get(MovOpc);
+ const MachineOperand &Dst = I->getOperand(0), &Src = I->getOperand(1);
+ unsigned DstReg = Dst.getReg(), SrcReg = Src.getReg(), TmpReg = DstReg;
+ unsigned KillSrc = getKillRegState(Src.isKill());
+ DebugLoc DL = I->getDebugLoc();
+ bool DstIsLarger, SrcIsLarger;
+
+ tie(DstIsLarger, SrcIsLarger) = compareOpndSize(CvtOpc, *MBB.getParent());
+
+ if (DstIsLarger)
+ TmpReg = getRegisterInfo().getSubReg(DstReg, Mips::sub_lo);
+
+ if (SrcIsLarger)
+ DstReg = getRegisterInfo().getSubReg(DstReg, Mips::sub_lo);
+
+ BuildMI(MBB, I, DL, MovDesc, TmpReg).addReg(SrcReg, KillSrc);
+ BuildMI(MBB, I, DL, CvtDesc, DstReg).addReg(TmpReg, RegState::Kill);
+}
+
+void MipsSEInstrInfo::expandExtractElementF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ bool FP64) const {
unsigned DstReg = I->getOperand(0).getReg();
unsigned SrcReg = I->getOperand(1).getReg();
unsigned N = I->getOperand(2).getImm();
- const MCInstrDesc& Mfc1Tdd = get(Mips::MFC1);
DebugLoc dl = I->getDebugLoc();
assert(N < 2 && "Invalid immediate");
- unsigned SubIdx = N ? Mips::sub_fpodd : Mips::sub_fpeven;
+ unsigned SubIdx = N ? Mips::sub_hi : Mips::sub_lo;
unsigned SubReg = getRegisterInfo().getSubReg(SrcReg, SubIdx);
- BuildMI(MBB, I, dl, Mfc1Tdd, DstReg).addReg(SubReg);
+ if (SubIdx == Mips::sub_hi && FP64)
+ BuildMI(MBB, I, dl, get(Mips::MFHC1), DstReg).addReg(SubReg);
+ else
+ BuildMI(MBB, I, dl, get(Mips::MFC1), DstReg).addReg(SubReg);
}
-void MipsSEInstrInfo::ExpandBuildPairF64(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const {
+void MipsSEInstrInfo::expandBuildPairF64(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I,
+ bool FP64) const {
unsigned DstReg = I->getOperand(0).getReg();
unsigned LoReg = I->getOperand(1).getReg(), HiReg = I->getOperand(2).getReg();
const MCInstrDesc& Mtc1Tdd = get(Mips::MTC1);
// mtc1 Lo, $fp
// mtc1 Hi, $fp + 1
- BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_fpeven))
+ BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_lo))
.addReg(LoReg);
- BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_fpodd))
- .addReg(HiReg);
+
+ if (FP64)
+ BuildMI(MBB, I, dl, get(Mips::MTHC1), TRI.getSubReg(DstReg, Mips::sub_hi))
+ .addReg(HiReg);
+ else
+ BuildMI(MBB, I, dl, Mtc1Tdd, TRI.getSubReg(DstReg, Mips::sub_hi))
+ .addReg(HiReg);
}
-void MipsSEInstrInfo::ExpandEhReturn(MachineBasicBlock &MBB,
+void MipsSEInstrInfo::expandEhReturn(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
// This pseudo instruction is generated as part of the lowering of
// ISD::EH_RETURN. We convert it to a stack increment by OffsetReg, and
// indirect jump to TargetReg
const MipsSubtarget &STI = TM.getSubtarget<MipsSubtarget>();
unsigned ADDU = STI.isABI_N64() ? Mips::DADDu : Mips::ADDu;
- unsigned OR = STI.isABI_N64() ? Mips::OR64 : Mips::OR;
unsigned JR = STI.isABI_N64() ? Mips::JR64 : Mips::JR;
unsigned SP = STI.isABI_N64() ? Mips::SP_64 : Mips::SP;
unsigned RA = STI.isABI_N64() ? Mips::RA_64 : Mips::RA;
unsigned OffsetReg = I->getOperand(0).getReg();
unsigned TargetReg = I->getOperand(1).getReg();
- // or $ra, $v0, $zero
+ // addu $ra, $v0, $zero
// addu $sp, $sp, $v1
// jr $ra
if (TM.getRelocationModel() == Reloc::PIC_)
- BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(OR), T9)
+ BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), T9)
.addReg(TargetReg).addReg(ZERO);
- BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(OR), RA)
+ BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), RA)
.addReg(TargetReg).addReg(ZERO);
BuildMI(MBB, I, I->getDebugLoc(), TM.getInstrInfo()->get(ADDU), SP)
.addReg(SP).addReg(OffsetReg);
projects / oota-llvm.git / blobdiff