Result before this patch:
Checking enum `cpu_feature_t': 113 elements; max size (CPU_FLAGS_MAX=128)... OK
Checking enum `cpu_hint_t': 1 elements; max size (CPU_HINTS_MAX=16)... OK
Checking enum `cpu_sgx_feature_t': 2 elements; max size (SGX_FLAGS_MAX=14)... OK
Finding features:
..Mismatch - cpuid_main.c:688 - `AVX512VNNI' vs `avx512_vnni'
..Mismatch - cpuid_main.c:689 - `AVX512VBMI' vs `avx512_vbmi'
..Mismatch - cpuid_main.c:690 - `AVX512VBMI2' vs `avx512_vbmi2'
cpuid_main.c: 113 features described
Found 113 total features and 113 named features
Checking whether all features have detection code... FAILED:
..No detection code for CPU_FEATURE_SSE5
Add support for detecting RDSEED and ADX instructions.
Use RDSEED instead of RTM to ascertain that the CPU is
Broadwell or later in recog_intel.c. This fixes
detection discrepancies on Linux, where RTM is not
made available (I guess there's no kernel support for it).
The two new flags are also now detected in the Broadwell
and Skylake tests. Update them as well.
