#include #include #include "cpuid.h" static void lzcnt_test (void); static void __attribute__ ((noinline)) do_test (void) { lzcnt_test (); } int main () { unsigned int eax, ebx, ecx, edx; if (!__get_cpuid (0x80000001, &eax, &ebx, &ecx, &edx)) return 0; /* Run LZCNT test only if host has LZCNT support. */ if (ecx & bit_LZCNT) { do_test (); #ifdef DEBUG printf ("PASSED\n"); #endif } #ifdef DEBUG else printf ("SKIPPED\n"); #endif return 0; }