15  * Implementation taken from folly/CpuId.h
16  * https://github.com/facebook/folly/blob/master/folly/CpuId.h
35     /* The following block like the normal cpuid branch below, but gcc  in ZSTD_cpuid()
42         "cpuid\n\t"  in ZSTD_cpuid()
51           "cpuid\n\t"  in ZSTD_cpuid()
59           "cpuid\n\t"  in ZSTD_cpuid()
68     __asm__("cpuid" : "=a"(n) : "a"(0) : "ebx", "ecx", "edx");  in ZSTD_cpuid()
71       __asm__("cpuid" : "=a"(f1a), "=c"(f1c), "=d"(f1d) : "a"(1) : "ebx");  in ZSTD_cpuid()
75       __asm__("cpuid"  in ZSTD_cpuid()
82         ZSTD_cpuid_t cpuid;  in ZSTD_cpuid()  local
83         cpuid.f1c = f1c;  in ZSTD_cpuid()
84         cpuid.f1d = f1d;  in ZSTD_cpuid()
85         cpuid.f7b = f7b;  in ZSTD_cpuid()
86         cpuid.f7c = f7c;  in ZSTD_cpuid()
87         return cpuid;  in ZSTD_cpuid()
92   MEM_STATIC int ZSTD_cpuid_##name(ZSTD_cpuid_t const cpuid) {                 \
93     return ((cpuid.r) & (1U << bit)) != 0;                                     \
96 /* cpuid(1): Processor Info and Feature Bits. */
160 /* cpuid(7): Extended Features. */