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glasm: Enable unintentionally disabled register aliasing on GLASM

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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> template <typename T>
struct Identity { struct Identity {
Identity(const T& data_) : data{data_} {} Identity(T data_) : data{data_} {}
const T& Extract() { T Extract() {
return data; return data;
} }
@ -71,15 +71,12 @@ public:
} }
} }
~RegWrapper() { auto Extract() {
if (inst) { if (inst) {
reg_alloc.Unref(*inst); reg_alloc.Unref(*inst);
} else { } else {
reg_alloc.FreeReg(reg); reg_alloc.FreeReg(reg);
} }
}
auto Extract() {
return std::conditional_t<scalar, ScalarRegister, Register>{Value{reg}}; return std::conditional_t<scalar, ScalarRegister, Register>{Value{reg}};
} }
@ -95,13 +92,10 @@ public:
ValueWrapper(EmitContext& ctx, const IR::Value& ir_value_) ValueWrapper(EmitContext& ctx, const IR::Value& ir_value_)
: reg_alloc{ctx.reg_alloc}, ir_value{ir_value_}, value{reg_alloc.Peek(ir_value)} {} : reg_alloc{ctx.reg_alloc}, ir_value{ir_value_}, value{reg_alloc.Peek(ir_value)} {}
~ValueWrapper() { ArgType Extract() {
if (!ir_value.IsImmediate()) { if (!ir_value.IsImmediate()) {
reg_alloc.Unref(*ir_value.InstRecursive()); reg_alloc.Unref(*ir_value.InstRecursive());
} }
}
ArgType Extract() {
return value; return value;
} }
@ -120,7 +114,7 @@ auto Arg(EmitContext& ctx, const IR::Value& arg) {
} else if constexpr (std::is_base_of_v<Value, ArgType>) { } else if constexpr (std::is_base_of_v<Value, ArgType>) {
return ValueWrapper<ArgType>{ctx, arg}; return ValueWrapper<ArgType>{ctx, arg};
} else if constexpr (std::is_same_v<ArgType, const IR::Value&>) { } 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>) { } else if constexpr (std::is_same_v<ArgType, u32>) {
return Identity{arg.U32()}; return Identity{arg.U32()};
} else if constexpr (std::is_same_v<ArgType, IR::Block*>) { } 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> template <auto func, bool is_first_arg_inst, typename... Args>
void InvokeCall(EmitContext& ctx, IR::Inst* inst, Args&&... args) { void InvokeCall(EmitContext& ctx, IR::Inst* inst, Args&&... args) {
if constexpr (is_first_arg_inst) { if constexpr (is_first_arg_inst) {
func(ctx, *inst, std::forward<Args>(args.Extract())...); func(ctx, *inst, args.Extract()...);
} else { } 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...>) { void Invoke(EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
using Traits = FuncTraits<decltype(func)>; using Traits = FuncTraits<decltype(func)>;
if constexpr (is_first_arg_inst) { if constexpr (is_first_arg_inst) {
func(ctx, *inst, InvokeCall<func, is_first_arg_inst>(
Arg<typename Traits::template ArgType<I + 2>>(ctx, inst->Arg(I)).Extract()...); ctx, inst, Arg<typename Traits::template ArgType<I + 2>>(ctx, inst->Arg(I))...);
} else { } 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))...);
} }
} }