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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/ir/passes/ConstantPropagation.cpp
+11
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@@ -347,6 +347,17 @@ void FoldInstruction(Block& block, Block::iterator instruction,
if (IsImmediate(low, Type::U32) && IsImmediate(high, Type::U32)) {
Replace(inst, Value(static_cast<uint64_t>(low.U32()) |
(static_cast<uint64_t>(high.U32()) << 32u)));
} else {
const auto* low_extract = low.TryInstruction();
const auto* high_extract = high.TryInstruction();
if (low_extract != nullptr && high_extract != nullptr &&
low_extract->GetOpcode() == ValueOpcode::CompositeExtractU64 &&
high_extract->GetOpcode() == ValueOpcode::CompositeExtractU64 &&
Arg(*low_extract, 1) == Value(0u) && Arg(*high_extract, 1) == Value(1u) &&
Arg(*low_extract, 0) == Arg(*high_extract, 0)) {
// Guest register pairs need not unpack and repack between wide operations.
Replace(inst, Arg(*low_extract, 0));
}
}
return;
}