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shader: emit native 64-bit operations where compatible

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This commit is contained in:
nmzik
2026-10-05 20:41:03 +04:00
parent 77d7722173
commit 5b826c6e4a
16 changed files with 500 additions and 436 deletions
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src/graphics/shader/recompiler/frontend/translate/Scalar.cpp
+10 -3
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@@ -165,9 +165,16 @@ void Translator::EmitScalar(const Decoder::Instruction& inst) {
case O::S_BCNT1_I32_B32:
return SimpleInteger(inst, IR::ValueOpcode::BitCount32, IR::Type::U32, false, false,
true);
case O::S_BCNT1_I32_B64:
return SimpleInteger(inst, IR::ValueOpcode::BitCount64, IR::Type::U64, false, false,
true);
case O::S_BCNT1_I32_B64: {
// Vulkan bit counts operate on 32-bit words; avoid packing only to split again.
const auto value = ReadU32Pair(inst.src0);
const auto low = IR::U32(ir.Emit(IR::ValueOpcode::BitCount32, {value[0]}));
const auto high = IR::U32(ir.Emit(IR::ValueOpcode::BitCount32, {value[1]}));
const auto result = ir.IAdd(low, high);
WriteOperand(inst.dst, result);
ir.SetScc(ir.INotEqual(result, IR::U32(IR::Value(0u))));
return;
}
case O::S_FF1_I32_B32:
return SimpleInteger(inst, IR::ValueOpcode::FindILsb32, IR::Type::U32, false, false,
false);