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

   1 #include <stdlib.h>
   2 #include "cpuid.h"
   3
   4 static void sha_test (void);
   5
   6 static void
   7 __attribute__ ((noinline))
   8 do_test (void)
   9 {
  10   sha_test ();
  11 }
  12
  13 int
  14 main ()
  15 {
  16   unsigned int eax, ebx, ecx, edx;
  17
  18   if (__get_cpuid_max (0, NULL) >= 7)
  19     {
  20       __cpuid_count (7, 0, eax, ebx, ecx, edx);
  21
  22       /* Run SHA test only if host has SHA support.  */
  23       if (ebx & bit_SHA)
  24         {
  25           do_test ();
  26 #ifdef DEBUG
  27           printf ("PASSED\n");
  28 #endif
  29           return 0;
  30         }
  31     }
  32
  33 #ifdef DEBUG
  34   printf ("SKIPPED\n");
  35 #endif
  36   return 0;
  37 }