16  * Implementation taken from folly/CpuId.h
17  * https://github.com/facebook/folly/blob/master/folly/CpuId.h
36     /* The following block like the normal cpuid branch below, but gcc  in ZSTD_cpuid()
43         "cpuid\n\t"  in ZSTD_cpuid()
52           "cpuid\n\t"  in ZSTD_cpuid()
60           "cpuid\n\t"  in ZSTD_cpuid()
69     __asm__("cpuid" : "=a"(n) : "a"(0) : "ebx", "ecx", "edx");  in ZSTD_cpuid()
72       __asm__("cpuid" : "=a"(f1a), "=c"(f1c), "=d"(f1d) : "a"(1) : "ebx");  in ZSTD_cpuid()
76       __asm__("cpuid"  in ZSTD_cpuid()
83         ZSTD_cpuid_t cpuid;  in ZSTD_cpuid()  local
84         cpuid.f1c = f1c;  in ZSTD_cpuid()
85         cpuid.f1d = f1d;  in ZSTD_cpuid()
86         cpuid.f7b = f7b;  in ZSTD_cpuid()
87         cpuid.f7c = f7c;  in ZSTD_cpuid()
88         return cpuid;  in ZSTD_cpuid()
93   MEM_STATIC int ZSTD_cpuid_##name(ZSTD_cpuid_t const cpuid) {                 \
94     return ((cpuid.r) & (1U << bit)) != 0;                                     \
97 /* cpuid(1): Processor Info and Feature Bits. */
161 /* cpuid(7): Extended Features. */