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translator: Treat V_CNDMASK as float 

* Sometimes it can have input modifiers. Worst this will cause is some extra calls to uintBitsToFloat and opposite. But most often this is used as float anyway
This commit is contained in:
IndecisiveTurtle 2024-08-12 17:34:00 +03:00
parent 121d850fb2
commit 8d4a92a0cd
1 changed files with 2 additions and 16 deletions
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18
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -353,22 +353,8 @@ void Translator::V_CNDMASK_B32(const GcnInst& inst) {
const IR::U1 flag = inst.src[2].field == OperandField::ScalarGPR const IR::U1 flag = inst.src[2].field == OperandField::ScalarGPR
? ir.GetThreadBitScalarReg(flag_reg) ? ir.GetThreadBitScalarReg(flag_reg)
: ir.GetVcc(); : ir.GetVcc();
const IR::Value result = ir.Select(flag, GetSrc<IR::F32>(inst.src[1]), GetSrc<IR::F32>(inst.src[0]));
// We can treat the instruction as integer most of the time, but when a source is ir.SetVectorReg(dst_reg, IR::U32F32{result});
// a floating point constant we will force the other as float for better readability
// The other operand is also higly likely to be float as well.
const auto is_float_const = [](OperandField field) {
return field >= OperandField::ConstFloatPos_0_5 && field <= OperandField::ConstFloatNeg_4_0;
};
const bool has_flt_source =
is_float_const(inst.src[0].field) || is_float_const(inst.src[1].field);
if (has_flt_source) {
const IR::Value result = ir.Select(flag, GetSrc<IR::F32>(inst.src[1]), GetSrc<IR::F32>(inst.src[0]));
ir.SetVectorReg(dst_reg, IR::U32F32{result});
} else {
const IR::Value result = ir.Select(flag, GetSrc(inst.src[1]), GetSrc(inst.src[0]));
ir.SetVectorReg(dst_reg, IR::U32F32{result});
}
} }
void Translator::V_OR_B32(bool is_xor, const GcnInst& inst) { void Translator::V_OR_B32(bool is_xor, const GcnInst& inst) {