// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later

#include <catch2/catch_test_macros.hpp>
#include <oaknut/oaknut.hpp>
#include <immintrin.h>

#include "../A64/testenv.h"
#include "dynarmic/common/fp/fpsr.h"
#include "dynarmic/interface/exclusive_monitor.h"

using namespace Dynarmic;
using namespace oaknut::util;

TEST_CASE("X86: Preserve XMM regs", "[x86]") {
    A64TestEnv env;
    A64::UserConfig jit_user_config{};
    jit_user_config.callbacks = &env;
    A64::Jit jit{jit_user_config};

    oaknut::VectorCodeGenerator code{env.code_mem, nullptr};
    code.SMINP(V2.S2(), V0.S2(), V1.S2());
    code.UMINP(V3.S2(), V0.S2(), V1.S2());
    code.SMINP(V4.S4(), V0.S4(), V1.S4());
    code.UMINP(V5.S4(), V0.S4(), V1.S4());
    code.SMAXP(V6.S2(), V0.S2(), V1.S2());
    code.UMAXP(V7.S2(), V0.S2(), V1.S2());
    code.SMAXP(V8.S4(), V0.S4(), V1.S4());
    code.UMAXP(V9.S4(), V0.S4(), V1.S4());

    constexpr std::array<Vector, 12> vectors = {
        // initial input vectors [0-1]
        Vector{0x00000003'00000002, 0xF1234567'01234567},
        Vector{0x80000000'7FFFFFFF, 0x76543210'76543209},
        // expected output vectors [2-9]
        Vector{0x80000000'00000002, 0},
        Vector{0x7FFFFFFF'00000002, 0},
        Vector{0xF1234567'00000002, 0x76543209'80000000},
        Vector{0x01234567'00000002, 0x76543209'7FFFFFFF},
        Vector{0x7FFFFFFF'00000003, 0},
        Vector{0x80000000'00000003, 0},
        Vector{0x01234567'00000003, 0x76543210'7FFFFFFF},
        Vector{0xF1234567'00000003, 0x76543210'80000000},
        // input vectors with elements swapped pairwise [10-11]
        Vector{0x00000002'00000003, 0x01234567'F1234567},
        Vector{0x7FFFFFFF'80000000, 0x76543209'76543210},
    };

    jit.SetPC(0);
    jit.SetVector(0, vectors[0]);
    jit.SetVector(1, vectors[1]);

    env.ticks_left = env.code_mem.size();
    CheckedRun([&]() { jit.Run(); });

    CHECK(jit.GetVector(2) == vectors[2]);
    CHECK(jit.GetVector(3) == vectors[3]);
    CHECK(jit.GetVector(4) == vectors[4]);
    CHECK(jit.GetVector(5) == vectors[5]);
    CHECK(jit.GetVector(6) == vectors[6]);
    CHECK(jit.GetVector(7) == vectors[7]);
    CHECK(jit.GetVector(8) == vectors[8]);
    CHECK(jit.GetVector(9) == vectors[9]);
}