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shader: support high products of 24-bit integers

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nmzik committed 2026-10-28 22:49:21 +01:00
1 parent 22610cb93e
commit 54b937c85f
7 files changed
+128 -4
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src/graphics/shader/recompiler/frontend/translate/Integer.cpp
+4 -2
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@@ -269,7 +269,7 @@ void Translator::V_FFBH_32(const Decoder::Instruction& inst, bool sign) {
WriteOperand(DestinationOperand(inst), result);
}
void Translator::Integer24(const Decoder::Instruction& inst, bool sign, bool addend) {
void Translator::Integer24(const Decoder::Instruction& inst, bool sign, bool addend, bool high) {
const auto extract24 = [&](IR::U32 value) {
return IR::U32(
ir.Emit(sign ? IR::ValueOpcode::BitFieldSExtract : IR::ValueOpcode::BitFieldUExtract,
@@ -277,7 +277,9 @@ void Translator::Integer24(const Decoder::Instruction& inst, bool sign, bool add
};
const auto lhs = extract24(ReadU32(inst.src0));
const auto rhs = extract24(ReadU32(inst.src1));
auto result = ir.IMul(lhs, rhs);
const auto multiply = high ? (sign ? IR::ValueOpcode::SMulHi : IR::ValueOpcode::UMulHi)
: IR::ValueOpcode::IMul32;
auto result = IR::U32(ir.Emit(multiply, {lhs, rhs}));
if (addend) {
result = ir.IAdd(result, ReadU32(inst.src2));
}