Function AVXEnabled

src/crypto/sha256.cpp:563–568

Check whether the OS has enabled AVX registers. */

/** Check whether the OS has enabled AVX registers. */
bool AVXEnabled()
{
    uint32_t a, d;
    __asm__("xgetbv" : "=a"(a), "=d"(d) : "c"(0));
    return (a & 6) == 6;
}
#endif
} // namespace