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shader: support S_ASHR_I64 (#658)

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* shader: implement S_ASHR_I64 with compute coverage

* tests: use existing compute suite for S_ASHR_I64

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Elija
2026-09-17 08:48:05 +02:00
committed by GitHub
parent 228cf3fbf4
commit f30afc184e
7 changed files with 330 additions and 1 deletions
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src/graphics/shader/recompiler/frontend/translate/Integer.cpp
+15
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@@ -168,6 +168,21 @@ bool Translator::SimpleInteger(const Decoder::Instruction& inst, IR::ValueOpcode
return true;
}
bool Translator::S_ASHR_I64(const Decoder::Instruction& inst) {
// Signed 64-bit sources sign-extend literals; generic B64 operands zero-extend them.
const auto source =
inst.src0.kind == Decoder::OperandKind::LiteralConstant
? ir.ConstructU64(
ReadU32(inst.src0),
IR::U32(IR::Value((inst.src0.value & 0x80000000u) ? 0xffffffffu : 0u)))
: ReadU64(inst.src0);
const auto result =
ir.Emit(IR::ValueOpcode::ShiftRightArithmetic64, {source, ReadU32(inst.src1)});
WriteOperand(inst.dst, result);
ir.SetScc(IR::U1(ir.Emit(IR::ValueOpcode::INotEqual64, {result, IR::Value(uint64_t {0})})));
return true;
}
bool Translator::ComposedIntegerBinary(const Decoder::Instruction& inst, IR::ValueOpcode opcode,
bool negate_rhs, bool negate_result, bool update_scc) {
const auto lhs = ReadU32(inst.src0);