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glasm: Enable unintentionally disabled register aliasing on GLASM

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This commit is contained in:
ReinUsesLisp 2021-05-10 19:20:44 -03:00 committed by ameerj
parent 70fbede213
commit c917290497
1 changed files with 11 additions and 16 deletions
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27
src/shader_recompiler/backend/glasm/emit_glasm.cpp
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@ -29,9 +29,9 @@ struct FuncTraits<ReturnType_ (*)(Args...)> {
template <typename T>
struct Identity {
Identity(const T& data_) : data{data_} {}
Identity(T data_) : data{data_} {}
const T& Extract() {
T Extract() {
return data;
}
@ -71,15 +71,12 @@ public:
}
}
~RegWrapper() {
auto Extract() {
if (inst) {
reg_alloc.Unref(*inst);
} else {
reg_alloc.FreeReg(reg);
}
}
auto Extract() {
return std::conditional_t<scalar, ScalarRegister, Register>{Value{reg}};
}
@ -95,13 +92,10 @@ public:
ValueWrapper(EmitContext& ctx, const IR::Value& ir_value_)
: reg_alloc{ctx.reg_alloc}, ir_value{ir_value_}, value{reg_alloc.Peek(ir_value)} {}
~ValueWrapper() {
ArgType Extract() {
if (!ir_value.IsImmediate()) {
reg_alloc.Unref(*ir_value.InstRecursive());
}
}
ArgType Extract() {
return value;
}
@ -120,7 +114,7 @@ auto Arg(EmitContext& ctx, const IR::Value& arg) {
} else if constexpr (std::is_base_of_v<Value, ArgType>) {
return ValueWrapper<ArgType>{ctx, arg};
} else if constexpr (std::is_same_v<ArgType, const IR::Value&>) {
return Identity{arg};
return Identity<const IR::Value&>{arg};
} else if constexpr (std::is_same_v<ArgType, u32>) {
return Identity{arg.U32()};
} else if constexpr (std::is_same_v<ArgType, IR::Block*>) {
@ -137,9 +131,9 @@ auto Arg(EmitContext& ctx, const IR::Value& arg) {
template <auto func, bool is_first_arg_inst, typename... Args>
void InvokeCall(EmitContext& ctx, IR::Inst* inst, Args&&... args) {
if constexpr (is_first_arg_inst) {
func(ctx, *inst, std::forward<Args>(args.Extract())...);
func(ctx, *inst, args.Extract()...);
} else {
func(ctx, std::forward<Args>(args.Extract())...);
func(ctx, args.Extract()...);
}
}
@ -147,10 +141,11 @@ template <auto func, bool is_first_arg_inst, size_t... I>
void Invoke(EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
using Traits = FuncTraits<decltype(func)>;
if constexpr (is_first_arg_inst) {
func(ctx, *inst,
Arg<typename Traits::template ArgType<I + 2>>(ctx, inst->Arg(I)).Extract()...);
InvokeCall<func, is_first_arg_inst>(
ctx, inst, Arg<typename Traits::template ArgType<I + 2>>(ctx, inst->Arg(I))...);
} else {
func(ctx, Arg<typename Traits::template ArgType<I + 1>>(ctx, inst->Arg(I)).Extract()...);
InvokeCall<func, is_first_arg_inst>(
ctx, inst, Arg<typename Traits::template ArgType<I + 1>>(ctx, inst->Arg(I))...);
}
}