Mips/AsmParser/MipsAsmParser.cpp

183   bool loadImmediate(int64_t ImmValue, unsigned DstReg, unsigned SrcReg,
2055       int64_t ImmValue = Inst.getOperand(2).getImm();
2056       if (isInt<16>(ImmValue))
2067       int64_t ImmValue = Inst.getOperand(2).getImm();
2068       if (isUInt<16>(ImmValue))
2145 /// @param ImmValue     The immediate to load.
2149 /// @param Is32BitImm   Is ImmValue 32-bit or 64-bit?
2154 bool MipsAsmParser::loadImmediate(int64_t ImmValue, unsigned DstReg,
2164     if (isInt<32>(ImmValue) || isUInt<32>(ImmValue)) {
2168       ImmValue = SignExtend64<32>(ImmValue);
2192   if (isInt<16>(ImmValue)) {
2200       emitRRI(Mips::DADDiu, DstReg, SrcReg, ImmValue, IDLoc, Instructions);
2204     emitRRI(Mips::ADDiu, DstReg, SrcReg, ImmValue, IDLoc, Instructions);
2208   if (isUInt<16>(ImmValue)) {
2216     emitRRI(Mips::ORi, TmpReg, ZeroReg, ImmValue, IDLoc, Instructions);
2222   if (isInt<32>(ImmValue) || isUInt<32>(ImmValue)) {
2225     uint16_t Bits31To16 = (ImmValue >> 16) & 0xffff;
2226     uint16_t Bits15To0 = ImmValue & 0xffff;
2228     if (!Is32BitImm && !isInt<32>(ImmValue)) {
2231       if (ImmValue == 0xffffffff) {
2258   if (isShiftedUIntAtAnyPosition<16>(ImmValue)) {
2266     unsigned FirstSet = findFirstSet((uint64_t)ImmValue);
2267     unsigned LastSet = findLastSet((uint64_t)ImmValue);
2269     uint16_t Bits = (ImmValue >> ShiftAmount) & 0xffff;
2285   // Load bits 32-63 of ImmValue into bits 0-31 of the temporary register.
2286   if (loadImmediate(ImmValue >> 32, TmpReg, Mips::NoRegister, true, false,
2294     uint16_t ImmChunk = (ImmValue >> BitNum) & 0xffff;
2531   int64_t ImmValue = ImmOp.getImm();
2532   if (ImmValue == 0)
2542     if (loadImmediate(ImmValue, ATReg, Mips::NoRegister, !isGP64bit(), true,
3184   int64_t ImmValue = Inst.getOperand(2).getImm();
3186   bool Is32Bit = isInt<32>(ImmValue) || isUInt<32>(ImmValue);
3198   if (!loadImmediate(ImmValue, DstReg, Mips::NoRegister, Is32Bit, false, Inst.getLoc(), Instructions)) {
3307   int64_t ImmValue = Inst.getOperand(2).getImm();
3316       uint64_t ShiftValue = ImmValue;
3317       if (ImmValue != 0)
3318         ShiftValue = MaxShift - ImmValue;
3324       emitRRI(Mips::ROTR, DReg, SReg, ImmValue, Inst.getLoc(), Instructions);
3333     if (ImmValue == 0) {
3355     emitRRI(FirstShift, ATReg, SReg, ImmValue, Inst.getLoc(), Instructions);
3356     emitRRI(SecondShift, DReg, SReg, 32 - ImmValue, Inst.getLoc(), Instructions);
3435   int64_t ImmValue = Inst.getOperand(2).getImm() % 64;
3445     if (ImmValue == 0)
3447     else if (ImmValue % 32 == 0)
3449     else if ((ImmValue >= 1) && (ImmValue <= 32)) {
3454     } else if (ImmValue >= 33) {
3461     uint64_t ShiftValue = ImmValue % 32;
3463       ShiftValue = (32 - ImmValue % 32) % 32;
3472     if (ImmValue == 0) {
3481       if ((ImmValue >= 1) && (ImmValue <= 31)) {
3485       if (ImmValue == 32) {
3489       if ((ImmValue >= 33) && (ImmValue <= 63)) {
3495       if ((ImmValue >= 1) && (ImmValue <= 31)) {
3499       if (ImmValue == 32) {
3503       if ((ImmValue >= 33) && (ImmValue <= 63)) {
3514     emitRRI(FirstShift, ATReg, SReg, ImmValue % 32, Inst.getLoc(), Instructions);
3515     emitRRI(SecondShift, DReg, SReg, (32 - ImmValue % 32) % 32, Inst.getLoc(), Instructions);