15  * Implementation taken from folly/CpuId.h
16  * https://github.com/facebook/folly/blob/master/folly/CpuId.h
54     /* The following block like the normal cpuid branch below, but gcc  in ZSTD_cpuid()
61         "cpuid\n\t"  in ZSTD_cpuid()
70           "cpuid\n\t"  in ZSTD_cpuid()
78           "cpuid\n\t"  in ZSTD_cpuid()
87     __asm__("cpuid" : "=a"(n) : "a"(0) : "ebx", "ecx", "edx");  in ZSTD_cpuid()
90       __asm__("cpuid" : "=a"(f1a), "=c"(f1c), "=d"(f1d) : "a"(1) : "ebx");  in ZSTD_cpuid()
94       __asm__("cpuid"  in ZSTD_cpuid()
101         ZSTD_cpuid_t cpuid;  in ZSTD_cpuid()  local
102         cpuid.f1c = f1c;  in ZSTD_cpuid()
103         cpuid.f1d = f1d;  in ZSTD_cpuid()
104         cpuid.f7b = f7b;  in ZSTD_cpuid()
105         cpuid.f7c = f7c;  in ZSTD_cpuid()
106         return cpuid;  in ZSTD_cpuid()
111   MEM_STATIC int ZSTD_cpuid_##name(ZSTD_cpuid_t const cpuid) {                 \
112     return ((cpuid.r) & (1U << bit)) != 0;                                     \
115 /* cpuid(1): Processor Info and Feature Bits. */
179 /* cpuid(7): Extended Features. */