diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-04-21 00:25:46 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:28 -0400 |
| commit | 6944cabb899c4367a63cde97ae2bc2eb1a0fb790 (patch) | |
| tree | b52f0687254b6c5c123dd1b5171bad124055c6dc /src/shader_recompiler/frontend/ir/opcodes.h | |
| parent | 4bbe5303376e693d15d7de80b25f5fda783281ce (diff) | |
shader: Inline common Opcode and Inst functions
Diffstat (limited to 'src/shader_recompiler/frontend/ir/opcodes.h')
| -rw-r--r-- | src/shader_recompiler/frontend/ir/opcodes.h | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/src/shader_recompiler/frontend/ir/opcodes.h b/src/shader_recompiler/frontend/ir/opcodes.h index 999fb2e775..b5697c7f97 100644 --- a/src/shader_recompiler/frontend/ir/opcodes.h +++ b/src/shader_recompiler/frontend/ir/opcodes.h @@ -4,6 +4,8 @@ #pragma once +#include <array> +#include <algorithm> #include <string_view> #include <fmt/format.h> @@ -18,14 +20,80 @@ enum class Opcode { #undef OPCODE }; +namespace Detail { + +struct OpcodeMeta { + std::string_view name; + Type type; + std::array<Type, 5> arg_types; +}; + +// using enum Type; +constexpr Type Void{Type::Void}; +constexpr Type Opaque{Type::Opaque}; +constexpr Type Label{Type::Label}; +constexpr Type Reg{Type::Reg}; +constexpr Type Pred{Type::Pred}; +constexpr Type Attribute{Type::Attribute}; +constexpr Type Patch{Type::Patch}; +constexpr Type U1{Type::U1}; +constexpr Type U8{Type::U8}; +constexpr Type U16{Type::U16}; +constexpr Type U32{Type::U32}; +constexpr Type U64{Type::U64}; +constexpr Type F16{Type::F16}; +constexpr Type F32{Type::F32}; +constexpr Type F64{Type::F64}; +constexpr Type U32x2{Type::U32x2}; +constexpr Type U32x3{Type::U32x3}; +constexpr Type U32x4{Type::U32x4}; +constexpr Type F16x2{Type::F16x2}; +constexpr Type F16x3{Type::F16x3}; +constexpr Type F16x4{Type::F16x4}; +constexpr Type F32x2{Type::F32x2}; +constexpr Type F32x3{Type::F32x3}; +constexpr Type F32x4{Type::F32x4}; +constexpr Type F64x2{Type::F64x2}; +constexpr Type F64x3{Type::F64x3}; +constexpr Type F64x4{Type::F64x4}; + +constexpr std::array META_TABLE{ +#define OPCODE(name_token, type_token, ...) \ + OpcodeMeta{ \ + .name{#name_token}, \ + .type = type_token, \ + .arg_types{__VA_ARGS__}, \ + }, +#include "opcodes.inc" +#undef OPCODE +}; + +constexpr size_t CalculateNumArgsOf(Opcode op) { + const auto& arg_types{META_TABLE[static_cast<size_t>(op)].arg_types}; + return std::distance(arg_types.begin(), std::ranges::find(arg_types, Type::Void)); +} + +constexpr std::array NUM_ARGS{ +#define OPCODE(name_token, type_token, ...) CalculateNumArgsOf(Opcode::name_token), +#include "opcodes.inc" +#undef OPCODE +}; +} // namespace Detail + /// Get return type of an opcode -[[nodiscard]] Type TypeOf(Opcode op); +[[nodiscard]] inline Type TypeOf(Opcode op) noexcept { + return Detail::META_TABLE[static_cast<size_t>(op)].type; +} /// Get the number of arguments an opcode accepts -[[nodiscard]] size_t NumArgsOf(Opcode op); +[[nodiscard]] inline size_t NumArgsOf(Opcode op) noexcept { + return Detail::NUM_ARGS[static_cast<size_t>(op)]; +} /// Get the required type of an argument of an opcode -[[nodiscard]] Type ArgTypeOf(Opcode op, size_t arg_index); +[[nodiscard]] inline Type ArgTypeOf(Opcode op, size_t arg_index) noexcept { + return Detail::META_TABLE[static_cast<size_t>(op)].arg_types[arg_index]; +} /// Get the name of an opcode [[nodiscard]] std::string_view NameOf(Opcode op); |