X86_CLMUL_ID

#define X86_CLMUL_ID   0x0000000000000406llu

A bit mask used to request support of the Intel CLMUL instruction set.

The mask is mapped to the following Intel x86 and x86-64 CPUID flags: CPUID.01H:ECX.PCLMULQDQ[bit 1], CPUID.01H:EDX.SSE2[bit 26] and CPUID.01H:EDX.SSE[bit 25].

See also

x86_cpuid_test_feature;
get_x86_cpu_info.