dynarmic/tests/cpu_info.cpp

/* This file is part of the dynarmic project.
 * Copyright (c) 2020 MerryMage
 * SPDX-License-Identifier: 0BSD
 */

#include <array>
#include <utility>

#include <catch2/catch.hpp>
#include <xbyak/xbyak_util.h>

TEST_CASE("Host CPU supports", "[a64]") {
    Xbyak::util::Cpu cpu_info;

    std::array<uint32_t, 4> cpu_name;
    for (uint32_t i = 2; i < 5; ++i) {
        cpu_info.getCpuid(0x80000000 | i, cpu_name.data());
        std::printf("%.16s", reinterpret_cast<const char*>(cpu_name.data()));
    }
    std::putchar('\n');

    cpu_info.putFamily();
    static constexpr std::array types{
        std::make_pair(Xbyak::util::Cpu::t3DN, "3DN"),
        std::make_pair(Xbyak::util::Cpu::tADX, "ADX"),
        std::make_pair(Xbyak::util::Cpu::tAESNI, "AESNI"),
        std::make_pair(Xbyak::util::Cpu::tAMD, "AMD"),
        std::make_pair(Xbyak::util::Cpu::tAVX, "AVX"),
        std::make_pair(Xbyak::util::Cpu::tAVX2, "AVX2"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_4FMAPS, "AVX5124FMAPS"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_4VNNIW, "AVX5124VNNIW"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_BITALG, "AVX512BITALG"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_VBMI2, "AVX512VBMI2"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_VNNI, "AVX512VNNI"),
        std::make_pair(Xbyak::util::Cpu::tAVX512_VPOPCNTDQ, "AVX512VPOPCNTDQ"),
        std::make_pair(Xbyak::util::Cpu::tAVX512BW, "AVX512BW"),
        std::make_pair(Xbyak::util::Cpu::tAVX512CD, "AVX512CD"),
        std::make_pair(Xbyak::util::Cpu::tAVX512DQ, "AVX512DQ"),
        std::make_pair(Xbyak::util::Cpu::tAVX512ER, "AVX512ER"),
        std::make_pair(Xbyak::util::Cpu::tAVX512F, "AVX512F"),
        std::make_pair(Xbyak::util::Cpu::tAVX512IFMA, "AVX512IFMA"),
        std::make_pair(Xbyak::util::Cpu::tAVX512PF, "AVX512PF"),
        std::make_pair(Xbyak::util::Cpu::tAVX512VBMI, "AVX512VBMI"),
        std::make_pair(Xbyak::util::Cpu::tAVX512VL, "AVX512VL"),
        std::make_pair(Xbyak::util::Cpu::tBMI1, "BMI1"),
        std::make_pair(Xbyak::util::Cpu::tBMI2, "BMI2"),
        std::make_pair(Xbyak::util::Cpu::tCMOV, "CMOV"),
        std::make_pair(Xbyak::util::Cpu::tE3DN, "E3DN"),
        std::make_pair(Xbyak::util::Cpu::tENHANCED_REP, "ENHANCED_REP"),
        std::make_pair(Xbyak::util::Cpu::tF16C, "F16C"),
        std::make_pair(Xbyak::util::Cpu::tFMA, "FMA"),
        std::make_pair(Xbyak::util::Cpu::tGFNI, "GFNI"),
        std::make_pair(Xbyak::util::Cpu::tHLE, "HLE"),
        std::make_pair(Xbyak::util::Cpu::tINTEL, "INTEL"),
        std::make_pair(Xbyak::util::Cpu::tLZCNT, "LZCNT"),
        std::make_pair(Xbyak::util::Cpu::tMMX, "MMX"),
        std::make_pair(Xbyak::util::Cpu::tMMX2, "MMX2"),
        std::make_pair(Xbyak::util::Cpu::tMOVBE, "MOVBE"),
        std::make_pair(Xbyak::util::Cpu::tMPX, "MPX"),
        std::make_pair(Xbyak::util::Cpu::tOSXSAVE, "OSXSAVE"),
        std::make_pair(Xbyak::util::Cpu::tPCLMULQDQ, "PCLMULQDQ"),
        std::make_pair(Xbyak::util::Cpu::tPOPCNT, "POPCNT"),
        std::make_pair(Xbyak::util::Cpu::tPREFETCHW, "PREFETCHW"),
        std::make_pair(Xbyak::util::Cpu::tPREFETCHWT1, "PREFETCHWT1"),
        std::make_pair(Xbyak::util::Cpu::tRDRAND, "RDRAND"),
        std::make_pair(Xbyak::util::Cpu::tRDSEED, "RDSEED"),
        std::make_pair(Xbyak::util::Cpu::tRDTSCP, "RDTSCP"),
        std::make_pair(Xbyak::util::Cpu::tRTM, "RTM"),
        std::make_pair(Xbyak::util::Cpu::tSHA, "SHA"),
        std::make_pair(Xbyak::util::Cpu::tSMAP, "SMAP"),
        std::make_pair(Xbyak::util::Cpu::tSSE, "SSE"),
        std::make_pair(Xbyak::util::Cpu::tSSE2, "SSE2"),
        std::make_pair(Xbyak::util::Cpu::tSSE3, "SSE3"),
        std::make_pair(Xbyak::util::Cpu::tSSE41, "SSE41"),
        std::make_pair(Xbyak::util::Cpu::tSSE42, "SSE42"),
        std::make_pair(Xbyak::util::Cpu::tSSE4a, "SSE4a"),
        std::make_pair(Xbyak::util::Cpu::tSSE5, "SSE5"),
        std::make_pair(Xbyak::util::Cpu::tSSSE3, "SSSE3"),
        std::make_pair(Xbyak::util::Cpu::tVAES, "VAES"),
        std::make_pair(Xbyak::util::Cpu::tVPCLMULQDQ, "VPCLMULQDQ"),
    };

    constexpr size_t line_max = 80;
    size_t line_length = 0;
    for (const auto& [type, name] : types) {
        if (cpu_info.has(type)) {
            const size_t name_length = std::strlen(name) + 1;
            if ((line_length + name_length) >= line_max) {
                line_length = name_length;
                std::putchar('\n');
            } else if (line_length) {
                std::putchar(' ');
            }
            std::fputs(name, stdout);
            line_length += name_length;
        }
    }
    std::putchar('\n');
}