test_util.cpp

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#include <stdio.h>
#define XBYAK_NO_OP_NAMES
#include "xbyak/xbyak_util.h"
 
#define NUM_OF_ARRAY(x) (sizeof(x) / sizeof(x[0]))
 
struct PopCountTest : public Xbyak::CodeGenerator {
    PopCountTest(int n)
    {
        mov(eax, n);
        popcnt(eax, eax);
        ret();
    }
};
 
void putCPUinfo()
{
    using namespace Xbyak::util;
    Cpu cpu;
    printf("vendor %s\n", cpu.has(Cpu::tINTEL) ? "intel" : "amd");
    static const struct {
        Cpu::Type type;
        const char *str;
    } tbl[] = {
        { Cpu::tMMX, "mmx" },
        { Cpu::tMMX2, "mmx2" },
        { Cpu::tCMOV, "cmov" },
        { Cpu::tSSE, "sse" },
        { Cpu::tSSE2, "sse2" },
        { Cpu::tSSE3, "sse3" },
        { Cpu::tSSSE3, "ssse3" },
        { Cpu::tSSE41, "sse41" },
        { Cpu::tSSE42, "sse42" },
        { Cpu::tPOPCNT, "popcnt" },
        { Cpu::t3DN, "3dn" },
        { Cpu::tE3DN, "e3dn" },
        { Cpu::tSSE4a, "sse4a" },
        { Cpu::tSSE5, "sse5" },
        { Cpu::tAESNI, "aesni" },
        { Cpu::tRDTSCP, "rdtscp" },
        { Cpu::tOSXSAVE, "osxsave(xgetvb)" },
        { Cpu::tPCLMULQDQ, "pclmulqdq" },
        { Cpu::tAVX, "avx" },
        { Cpu::tFMA, "fma" },
        { Cpu::tAVX2, "avx2" },
        { Cpu::tBMI1, "bmi1" },
        { Cpu::tBMI2, "bmi2" },
        { Cpu::tLZCNT, "lzcnt" },
        { Cpu::tPREFETCHW, "prefetchw" },
        { Cpu::tENHANCED_REP, "enh_rep" },
        { Cpu::tRDRAND, "rdrand" },
        { Cpu::tADX, "adx" },
        { Cpu::tRDSEED, "rdseed" },
        { Cpu::tSMAP, "smap" },
        { Cpu::tHLE, "hle" },
        { Cpu::tRTM, "rtm" },
        { Cpu::tMPX, "mpx" },
        { Cpu::tSHA, "sha" },
        { Cpu::tPREFETCHWT1, "prefetchwt1" },
        { Cpu::tF16C, "f16c" },
        { Cpu::tMOVBE, "movbe" },
        { Cpu::tAVX512F, "avx512f" },
        { Cpu::tAVX512DQ, "avx512dq" },
        { Cpu::tAVX512IFMA, "avx512_ifma" },
        { Cpu::tAVX512PF, "avx512pf" },
        { Cpu::tAVX512ER, "avx512er" },
        { Cpu::tAVX512CD, "avx512cd" },
        { Cpu::tAVX512BW, "avx512bw" },
        { Cpu::tAVX512VL, "avx512vl" },
        { Cpu::tAVX512VBMI, "avx512_vbmi" },
        { Cpu::tAVX512_4VNNIW, "avx512_4vnniw" },
        { Cpu::tAVX512_4FMAPS, "avx512_4fmaps" },
 
        { Cpu::tAVX512_VBMI2, "avx512_vbmi2" },
        { Cpu::tGFNI, "gfni" },
        { Cpu::tVAES, "vaes" },
        { Cpu::tVPCLMULQDQ, "vpclmulqdq" },
        { Cpu::tAVX512_VNNI, "avx512_vnni" },
        { Cpu::tAVX512_BITALG, "avx512_bitalg" },
        { Cpu::tAVX512_VPOPCNTDQ, "avx512_vpopcntdq" },
    };
    for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
        if (cpu.has(tbl[i].type)) printf(" %s", tbl[i].str);
    }
    printf("\n");
    if (cpu.has(Cpu::tPOPCNT)) {
        const int n = 0x12345678; // bitcount = 13
        const int ok = 13;
        int r = PopCountTest(n).getCode<int (*)()>()();
        if (r == ok) {
            puts("popcnt ok");
        } else {
            printf("popcnt ng %d %d\n", r, ok);
        }
    }
    /*
                        displayFamily displayModel
        Opteron 2376        10            4
        Core2 Duo T7100      6            F
        Core i3-2120T        6           2A
        Core i7-2600         6           2A
        Xeon X5650           6           2C
        Core i7-3517         6           3A
        Core i7-3930K        6           2D
    */
    cpu.putFamily();
    for (unsigned int i = 0; i < cpu.getDataCacheLevels(); i++) {
        printf("cache level=%u data cache size=%u cores sharing data cache=%u\n", i, cpu.getDataCacheSize(i), cpu.getCoresSharingDataCache(i));
    }
}
 
int main()
{
#ifdef XBYAK32
    puts("32bit");
#else
    puts("64bit");
#endif
    putCPUinfo();
}