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shader: Use memset to reset instruction arguments

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This commit is contained in:
ReinUsesLisp 2021-04-21 02:43:44 -03:00 committed by ameerj
parent c84bbd9e44
commit f66851e376
2 changed files with 7 additions and 4 deletions
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4
src/shader_recompiler/frontend/ir/microinstruction.cpp
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@ -279,8 +279,10 @@ void Inst::ClearArgs() {
if (!value.IsImmediate()) {
UndoUse(value);
}
value = {};
}
// Reset arguments to null
// std::memset was measured to be faster on MSVC than std::ranges:fill
std::memset(&args, 0, sizeof(args));
}
}

7
src/shader_recompiler/frontend/ir/value.h
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@ -34,7 +34,7 @@ struct AssociatedInsts;
class Value {
public:
Value() noexcept : type{IR::Type::Void}, inst{nullptr} {}
Value() noexcept = default;
explicit Value(IR::Inst* value) noexcept;
explicit Value(IR::Block* value) noexcept;
explicit Value(IR::Reg value) noexcept;
@ -78,9 +78,9 @@ public:
private:
void ValidateAccess(IR::Type expected) const;
IR::Type type;
IR::Type type{};
union {
IR::Inst* inst;
IR::Inst* inst{};
IR::Block* label;
IR::Reg reg;
IR::Pred pred;
@ -95,6 +95,7 @@ private:
f64 imm_f64;
};
};
static_assert(static_cast<u32>(IR::Type::Void) == 0, "memset relies on IR::Type being zero");
static_assert(std::is_trivially_copyable_v<Value>);
template <IR::Type type_>