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