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frontend/ir_emitter: Add half-precision variant of FPNeg

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Lioncash 2019-03-23 13:21:55 -04:00 • committed by MerryMage
parent f01afc5ae6
commit c97efcb978
4 changed files with 24 additions and 6 deletions
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12
src/frontend/ir/ir_emitter.cpp
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@ -1880,11 +1880,17 @@ U32U64 IREmitter::FPMulX(const U32U64& a, const U32U64& b) {
}
}
U32U64 IREmitter::FPNeg(const U32U64& a) {
if (a.GetType() == Type::U32) {
U16U32U64 IREmitter::FPNeg(const U16U32U64& a) {
switch (a.GetType()) {
case Type::U16:
return Inst<U16>(Opcode::FPNeg16, a);
case Type::U32:
return Inst<U32>(Opcode::FPNeg32, a);
} else {
case Type::U64:
return Inst<U64>(Opcode::FPNeg64, a);
default:
UNREACHABLE();
return U16U32U64{};
}
}

2
src/frontend/ir/ir_emitter.h
View file

@ -303,7 +303,7 @@ public:
U32U64 FPMul(const U32U64& a, const U32U64& b, bool fpcr_controlled);
U32U64 FPMulAdd(const U32U64& addend, const U32U64& op1, const U32U64& op2, bool fpcr_controlled);
U32U64 FPMulX(const U32U64& a, const U32U64& b);
U32U64 FPNeg(const U32U64& a);
U16U32U64 FPNeg(const U16U32U64& a);
U32U64 FPRecipEstimate(const U32U64& a);
U16U32U64 FPRecipExponent(const U16U32U64& a);
U32U64 FPRecipStepFused(const U32U64& a, const U32U64& b);

1
src/frontend/ir/opcodes.inc
View file

@ -482,6 +482,7 @@ OPCODE(FPMulAdd32, U32, U32,
OPCODE(FPMulAdd64, U64, U64, U64, U64 )
OPCODE(FPMulX32, U32, U32, U32 )
OPCODE(FPMulX64, U64, U64, U64 )
OPCODE(FPNeg16, U16, U16 )
OPCODE(FPNeg32, U32, U32 )
OPCODE(FPNeg64, U64, U64 )
OPCODE(FPRecipEstimate32, U32, U32 )