1 #include <stdio.h> 2 #include <stdlib.h> 3 4 #include "cpuid.h" 5 6 static void mmx_3dnow_test (void); 7 8 static void 9 __attribute__ ((noinline)) do_test(void)10do_test (void) 11 { 12 mmx_3dnow_test (); 13 } 14 15 int main()16main () 17 { 18 unsigned int eax, ebx, ecx, edx; 19 20 if (!__get_cpuid (0x80000001, &eax, &ebx, &ecx, &edx)) 21 return 0; 22 23 /* Run 3DNow! test only if host has 3DNow! support. */ 24 if (edx & bit_3DNOW) 25 do_test (); 26 27 return 0; 28 } 29