diff options
Diffstat (limited to 'backend')
| -rw-r--r-- | backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp index 0d68cc3..a7e5ecd 100644 --- a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp +++ b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp @@ -157,7 +157,9 @@ public: [[nodiscard]] Expected<void> canSelect(const MachineInstr &Instruction, const MachineFunction &Function, const TargetDescription &Target) const override { - if (Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SLLW)) { + if (Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SLLW) || + Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SRAW) || + Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SRLW)) { const std::optional<LowLevelType> Type = resultType(Function, Instruction); const std::optional<LowLevelType> Left = operandType(Function, Instruction, 1); const std::optional<LowLevelType> Right = operandType(Function, Instruction, 2); @@ -165,7 +167,7 @@ public: *Left == *Type && *Right == *Type ? Expected<void>{} : makeUnexpected(ErrorCode::Unsupported, - "RISC-V G_SLLW requires three 64-bit GPR operands"); + "RISC-V word shift pseudo requires three 64-bit GPR operands"); } if (!isGenericOpcode(Instruction.opcode())) return {}; @@ -317,6 +319,10 @@ public: return std::unexpected(Match.error()); if (Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SLLW)) return Instruction.setOpcode(instructionOpcode(InstructionOpcode::SLLW)); + if (Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SRAW)) + return Instruction.setOpcode(instructionOpcode(InstructionOpcode::SRAW)); + if (Instruction.opcode() == instructionOpcode(InstructionOpcode::G_SRLW)) + return Instruction.setOpcode(instructionOpcode(InstructionOpcode::SRLW)); const GenericOpcode Generic = static_cast<GenericOpcode>(Instruction.opcode().value()); const std::optional<LowLevelType> Type = resultType(Function, Instruction); |