gcc-4.9/gcc/testsuite/gcc.target/i386/sha-check.h


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#include <stdlib.h>
#include "cpuid.h"

static void sha_test (void);

static void
__attribute__ ((noinline))
do_test (void)
{
  sha_test ();
}

int
main ()
{
  unsigned int eax, ebx, ecx, edx;

  if (__get_cpuid_max (0, NULL) >= 7)
    {
      __cpuid_count (7, 0, eax, ebx, ecx, edx);

      /* Run SHA test only if host has SHA support.  */
      if (ebx & bit_SHA)
	{
	  do_test ();
#ifdef DEBUG
	  printf ("PASSED\n");
#endif
	  return 0;
	}
    }

#ifdef DEBUG
  printf ("SKIPPED\n");
#endif
  return 0;
}