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| 1 //===- subzero/src/IceAssemblerMIPS32.cpp - MIPS32 Assembler --------------===// | 1 //===- subzero/src/IceAssemblerMIPS32.cpp - MIPS32 Assembler --------------===// |
| 2 // | 2 // |
| 3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
| 4 // | 4 // |
| 5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
| 6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
| 7 // | 7 // |
| 8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
| 9 /// | 9 /// |
| 10 /// \file | 10 /// \file |
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| 638 Asm->store(position(), (Inst & ~ImmMask) | (Imm & ImmMask)); | 638 Asm->store(position(), (Inst & ~ImmMask) | (Imm & ImmMask)); |
| 639 } | 639 } |
| 640 | 640 |
| 641 void AssemblerMIPS32::jal(const ConstantRelocatable *Target) { | 641 void AssemblerMIPS32::jal(const ConstantRelocatable *Target) { |
| 642 IValueT Opcode = 0x0C000000; | 642 IValueT Opcode = 0x0C000000; |
| 643 emitFixup(createMIPS32Fixup(RelocOp::RO_Jal, Target)); | 643 emitFixup(createMIPS32Fixup(RelocOp::RO_Jal, Target)); |
| 644 emitInst(Opcode); | 644 emitInst(Opcode); |
| 645 nop(); | 645 nop(); |
| 646 } | 646 } |
| 647 | 647 |
| 648 void AssemblerMIPS32::jalr(const Operand *OpRs, const Operand *OpRd) { |
| 649 IValueT Opcode = 0x00000009; |
| 650 const IValueT Rs = encodeGPRegister(OpRs, "Rs", "jalr"); |
| 651 const IValueT Rd = |
| 652 (OpRd == nullptr) ? 31 : encodeGPRegister(OpRd, "Rd", "jalr"); |
| 653 Opcode |= Rd << 16; |
| 654 Opcode |= Rs << 21; |
| 655 emitInst(Opcode); |
| 656 nop(); |
| 657 } |
| 658 |
| 648 void AssemblerMIPS32::lui(const Operand *OpRt, const Operand *OpImm, | 659 void AssemblerMIPS32::lui(const Operand *OpRt, const Operand *OpImm, |
| 649 const RelocOp Reloc) { | 660 const RelocOp Reloc) { |
| 650 IValueT Opcode = 0x3C000000; | 661 IValueT Opcode = 0x3C000000; |
| 651 const IValueT Rt = encodeGPRegister(OpRt, "Rt", "lui"); | 662 const IValueT Rt = encodeGPRegister(OpRt, "Rt", "lui"); |
| 652 IValueT Imm16 = 0; | 663 IValueT Imm16 = 0; |
| 653 | 664 |
| 654 if (const auto *OpRel = llvm::dyn_cast<ConstantRelocatable>(OpImm)) { | 665 if (const auto *OpRel = llvm::dyn_cast<ConstantRelocatable>(OpImm)) { |
| 655 emitFixup(createMIPS32Fixup(Reloc, OpRel)); | 666 emitFixup(createMIPS32Fixup(Reloc, OpRel)); |
| 656 } else if (auto *C32 = llvm::dyn_cast<ConstantInteger32>(OpImm)) { | 667 } else if (auto *C32 = llvm::dyn_cast<ConstantInteger32>(OpImm)) { |
| 657 Imm16 = C32->getValue(); | 668 Imm16 = C32->getValue(); |
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| 826 | 837 |
| 827 void AssemblerMIPS32::movn(const Operand *OpRd, const Operand *OpRs, | 838 void AssemblerMIPS32::movn(const Operand *OpRd, const Operand *OpRs, |
| 828 const Operand *OpRt) { | 839 const Operand *OpRt) { |
| 829 static constexpr IValueT Opcode = 0x0000000B; | 840 static constexpr IValueT Opcode = 0x0000000B; |
| 830 emitRdRsRt(Opcode, OpRd, OpRs, OpRt, "movn"); | 841 emitRdRsRt(Opcode, OpRd, OpRs, OpRt, "movn"); |
| 831 } | 842 } |
| 832 | 843 |
| 833 void AssemblerMIPS32::movn_d(const Operand *OpFd, const Operand *OpFs, | 844 void AssemblerMIPS32::movn_d(const Operand *OpFd, const Operand *OpFs, |
| 834 const Operand *OpFt) { | 845 const Operand *OpFt) { |
| 835 static constexpr IValueT Opcode = 0x44000013; | 846 static constexpr IValueT Opcode = 0x44000013; |
| 836 emitCOP1FmtFtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "movn.d"); | 847 emitCOP1FmtRtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "movn.d"); |
| 837 } | 848 } |
| 838 | 849 |
| 839 void AssemblerMIPS32::movn_s(const Operand *OpFd, const Operand *OpFs, | 850 void AssemblerMIPS32::movn_s(const Operand *OpFd, const Operand *OpFs, |
| 840 const Operand *OpFt) { | 851 const Operand *OpFt) { |
| 841 static constexpr IValueT Opcode = 0x44000013; | 852 static constexpr IValueT Opcode = 0x44000013; |
| 842 emitCOP1FmtFtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "movn.s"); | 853 emitCOP1FmtRtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "movn.s"); |
| 843 } | 854 } |
| 844 | 855 |
| 845 void AssemblerMIPS32::movt(const Operand *OpRd, const Operand *OpRs, | 856 void AssemblerMIPS32::movt(const Operand *OpRd, const Operand *OpRs, |
| 846 const Operand *OpCc) { | 857 const Operand *OpCc) { |
| 847 IValueT Opcode = 0x00000001; | 858 IValueT Opcode = 0x00000001; |
| 848 const IValueT Rd = encodeGPRegister(OpRd, "Rd", "movt"); | 859 const IValueT Rd = encodeGPRegister(OpRd, "Rd", "movt"); |
| 849 const IValueT Rs = encodeGPRegister(OpRs, "Rs", "movt"); | 860 const IValueT Rs = encodeGPRegister(OpRs, "Rs", "movt"); |
| 850 OperandMIPS32FCC::FCC Cc = OperandMIPS32FCC::FCC0; | 861 OperandMIPS32FCC::FCC Cc = OperandMIPS32FCC::FCC0; |
| 851 if (const auto *OpFCC = llvm::dyn_cast<OperandMIPS32FCC>(OpCc)) { | 862 if (const auto *OpFCC = llvm::dyn_cast<OperandMIPS32FCC>(OpCc)) { |
| 852 Cc = OpFCC->getFCC(); | 863 Cc = OpFCC->getFCC(); |
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| 1223 emitBr(Cond, OpRs, OpRtNone, Dest); | 1234 emitBr(Cond, OpRs, OpRtNone, Dest); |
| 1224 return; | 1235 return; |
| 1225 } | 1236 } |
| 1226 const IOffsetT Position = Buffer.size(); | 1237 const IOffsetT Position = Buffer.size(); |
| 1227 emitBr(Cond, OpRs, OpRtNone, TargetLabel->getEncodedPosition()); | 1238 emitBr(Cond, OpRs, OpRtNone, TargetLabel->getEncodedPosition()); |
| 1228 TargetLabel->linkTo(*this, Position); | 1239 TargetLabel->linkTo(*this, Position); |
| 1229 } | 1240 } |
| 1230 | 1241 |
| 1231 } // end of namespace MIPS32 | 1242 } // end of namespace MIPS32 |
| 1232 } // end of namespace Ice | 1243 } // end of namespace Ice |
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