gcc/testsuite/gcc.target/i386/mmx-check.h

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