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impl V_CMP_CLASS_F32 common filter masks (#276)

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Vinicius Rangel 2024-07-09 20:24:01 -03:00 committed by GitHub
parent f420e33592
commit 94d1a6b0b9
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1 changed files with 32 additions and 1 deletions
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31
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -519,7 +519,38 @@ void Translator::V_CVT_FLR_I32_F32(const GcnInst& inst) {
} }
void Translator::V_CMP_CLASS_F32(const GcnInst& inst) { void Translator::V_CMP_CLASS_F32(const GcnInst& inst) {
constexpr u32 SIGNALING_NAN = 1 << 0;
constexpr u32 QUIET_NAN = 1 << 1;
constexpr u32 NEGATIVE_INFINITY = 1 << 2;
constexpr u32 NEGATIVE_NORMAL = 1 << 3;
constexpr u32 NEGATIVE_DENORM = 1 << 4;
constexpr u32 NEGATIVE_ZERO = 1 << 5;
constexpr u32 POSITIVE_ZERO = 1 << 6;
constexpr u32 POSITIVE_DENORM = 1 << 7;
constexpr u32 POSITIVE_NORMAL = 1 << 8;
constexpr u32 POSITIVE_INFINITY = 1 << 9;
const IR::F32F64 src0{GetSrc(inst.src[0])};
const IR::U32 src1{GetSrc(inst.src[1])};
if (src1.IsImmediate()) {
const u32 class_mask = src1.U32();
IR::U1 value;
if ((class_mask & (SIGNALING_NAN | QUIET_NAN)) == (SIGNALING_NAN | QUIET_NAN)) {
value = ir.FPIsNan(src0);
} else if ((class_mask & (POSITIVE_INFINITY | NEGATIVE_INFINITY)) ==
(POSITIVE_INFINITY | NEGATIVE_INFINITY)) {
value = ir.FPIsInf(src0);
} else {
UNREACHABLE(); UNREACHABLE();
}
if (inst.dst[1].field == OperandField::VccLo) {
return ir.SetVcc(value);
} else {
UNREACHABLE();
}
} else {
UNREACHABLE();
}
} }
} // namespace Shader::Gcn } // namespace Shader::Gcn