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infix/src/core/platform.c  view on Meta::CPAN

    }
#endif

    if (!osxsave || !avx512f_hardware)
        return false;

    // 2. Check XCR0 for ZMM support.
    // Need SSE(1) | AVX(2) | opmask(5) | ZMM_Hi256(6) | Hi16_ZMM(7)
    uint64_t xcr0 = _infix_xgetbv();
    uint64_t required = XCR0_SSE | XCR0_AVX | XCR0_OPMASK | XCR0_ZMM_Hi256 | XCR0_Hi16_ZMM;
    return (xcr0 & required) == required;
}
#endif

#if defined(INFIX_ARCH_AARCH64)
bool infix_cpu_has_sve(void) {
#if defined(INFIX_OS_LINUX) && defined(HWCAP_SVE)
    return (getauxval(AT_HWCAP) & HWCAP_SVE) != 0;
#elif defined(INFIX_OS_MACOS)
    int sve_present = 0;
    size_t size = sizeof(sve_present);