#include #include #include "cpuid.h" static void sse4_2_test (void); int main () { unsigned int eax, ebx, ecx, edx; if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) return 0; /* Run SSE4.2 test only if host has SSE4.2 support. */ if (ecx & bit_SSE4_2) sse4_2_test (); return 0; }