#include #include #include "cpuid.h" static void bmi2_test (void); static void __attribute__ ((noinline)) do_test (void) { bmi2_test (); } int main () { unsigned int eax, ebx, ecx, edx; if (!__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx)) return 0; /* Run BMI2 test only if host has BMI2 support. */ if (ebx & bit_BMI2) { do_test (); #ifdef DEBUG printf ("PASSED\n"); #endif return 0; } #ifdef DEBUG printf ("SKIPPED\n"); #endif return 0; }