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frontend/ir_emitter: Add half->{single, double} and {double, single}->half conversion opcodes

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This commit is contained in:
Lioncash
2019-03-23 10:02:51 -04:00
committed by MerryMage
parent dff5da1063
commit e4c259d69f
5 changed files with 72 additions and 0 deletions
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16
src/frontend/ir/ir_emitter.cpp
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@@ -1955,14 +1955,30 @@ U32U64 IREmitter::FPSub(const U32U64& a, const U32U64& b, bool fpcr_controlled)
}
}
U16 IREmitter::FPDoubleToHalf(const U64& a, FP::RoundingMode rounding) {
return Inst<U16>(Opcode::FPDoubleToHalf, a, Imm8(static_cast<u8>(rounding)));
}
U32 IREmitter::FPDoubleToSingle(const U64& a, FP::RoundingMode rounding) {
return Inst<U32>(Opcode::FPDoubleToSingle, a, Imm8(static_cast<u8>(rounding)));
}
U64 IREmitter::FPHalfToDouble(const U16& a, FP::RoundingMode rounding) {
return Inst<U64>(Opcode::FPHalfToDouble, a, Imm8(static_cast<u8>(rounding)));
}
U32 IREmitter::FPHalfToSingle(const U16& a, FP::RoundingMode rounding) {
return Inst<U32>(Opcode::FPHalfToSingle, a, Imm8(static_cast<u8>(rounding)));
}
U64 IREmitter::FPSingleToDouble(const U32& a, FP::RoundingMode rounding) {
return Inst<U64>(Opcode::FPSingleToDouble, a, Imm8(static_cast<u8>(rounding)));
}
U16 IREmitter::FPSingleToHalf(const U32& a, FP::RoundingMode rounding) {
return Inst<U16>(Opcode::FPSingleToHalf, a, Imm8(static_cast<u8>(rounding)));
}
U32 IREmitter::FPToFixedS32(const U32U64& a, size_t fbits, FP::RoundingMode rounding) {
ASSERT(fbits <= 32);
const Opcode opcode = a.GetType() == Type::U32 ? Opcode::FPSingleToFixedS32 : Opcode::FPDoubleToFixedS32;