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Implement trap instructions as conditional breaks

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Thar0 2025-06-06 20:17:15 +01:00
parent 989a86b369
commit a8b247ed03
7 changed files with 92 additions and 46 deletions
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15
src/operations.cpp
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@ -177,4 +177,19 @@ namespace N64Recomp {
{ InstrId::cpu_sdc1, { StoreOpType::SDC1, Operand::FtU64 }},
{ InstrId::cpu_swc1, { StoreOpType::SWC1, Operand::FtU32L }},
};
const std::unordered_map<InstrId, TrapOp> trap_ops {
{ InstrId::cpu_tge, { BinaryOpType::GreaterEq, {{ UnaryOpType::ToS64, UnaryOpType::ToS64 }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_tgeu, { BinaryOpType::GreaterEq, {{ UnaryOpType::ToU64, UnaryOpType::ToU64 }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_tlt, { BinaryOpType::Less, {{ UnaryOpType::ToS64, UnaryOpType::ToS64 }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_tltu, { BinaryOpType::Less, {{ UnaryOpType::ToU64, UnaryOpType::ToU64 }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_teq, { BinaryOpType::Equal, {{ UnaryOpType::None, UnaryOpType::None }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_tne, { BinaryOpType::NotEqual, {{ UnaryOpType::None, UnaryOpType::None }, { Operand::Rs, Operand::Rt }}}},
{ InstrId::cpu_tgei, { BinaryOpType::GreaterEq, {{ UnaryOpType::ToS64, UnaryOpType::ToS64 }, { Operand::Rs, Operand::ImmS16 }}}},
{ InstrId::cpu_tgeiu, { BinaryOpType::GreaterEq, {{ UnaryOpType::ToU64, UnaryOpType::ToU64 }, { Operand::Rs, Operand::ImmS16 }}}},
{ InstrId::cpu_tlti, { BinaryOpType::Less, {{ UnaryOpType::ToS64, UnaryOpType::ToS64 }, { Operand::Rs, Operand::ImmS16 }}}},
{ InstrId::cpu_tltiu, { BinaryOpType::Less, {{ UnaryOpType::ToU64, UnaryOpType::ToU64 }, { Operand::Rs, Operand::ImmS16 }}}},
{ InstrId::cpu_teqi, { BinaryOpType::Equal, {{ UnaryOpType::None, UnaryOpType::None }, { Operand::Rs, Operand::ImmS16 }}}},
{ InstrId::cpu_tnei, { BinaryOpType::NotEqual, {{ UnaryOpType::None, UnaryOpType::None }, { Operand::Rs, Operand::ImmS16 }}}},
};
}