2020-04-22 20:57:37 +01:00

44 lines
1.3 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2032 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <algorithm>
#include <functional>
#include <optional>
#include <vector>
#include "common/common_types.h"
#include "frontend/decoder/decoder_detail.h"
#include "frontend/decoder/matcher.h"
namespace Dynarmic::A32 {
template <typename Visitor>
using VFP2Matcher = Decoder::Matcher<Visitor, u32>;
template<typename V>
std::optional<std::reference_wrapper<const VFP2Matcher<V>>> DecodeVFP2(u32 instruction) {
static const std::vector<VFP2Matcher<V>> table = {
#define INST(fn, name, bitstring) Decoder::detail::detail<VFP2Matcher<V>>::GetMatcher(&V::fn, name, bitstring),
#include "vfp2.inc"
#undef INST
};
if ((instruction & 0xF0000000) == 0xF0000000)
return std::nullopt; // Don't try matching any unconditional instructions.
const auto matches_instruction = [instruction](const auto& matcher){ return matcher.Matches(instruction); };
auto iter = std::find_if(table.begin(), table.end(), matches_instruction);
return iter != table.end() ? std::optional<std::reference_wrapper<const VFP2Matcher<V>>>(*iter) : std::nullopt;
}
} // namespace Dynarmic::A32