gcc/testsuite/gcc.target/i386/avx2-check.h

   1 #include <stdlib.h>
   2 #include "cpuid.h"
   3 #include "m256-check.h"
   4 #include "avx-os-support.h"
   5
   6 static void avx2_test (void);
   7
   8 static void __attribute__ ((noinline)) do_test (void)
   9 {
  10   avx2_test ();
  11 }
  12
  13 static int
  14 check_osxsave (void)
  15 {
  16   unsigned int eax, ebx, ecx, edx;
  17
  18   __cpuid (1, eax, ebx, ecx, edx);
  19   return (ecx & bit_OSXSAVE) != 0;
  20 }
  21
  22 int
  23 main ()
  24 {
  25   unsigned int eax, ebx, ecx, edx;
  26
  27   if (!__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx))
  28     return 0;
  29
  30   /* Run AVX2 test only if host has AVX2 support.  */
  31   if (check_osxsave () && (ebx & bit_AVX2) && avx_os_support ())
  32     {
  33       do_test ();
  34 #ifdef DEBUG
  35       printf ("PASSED\n");
  36 #endif
  37       return 0;
  38     }
  39
  40 #ifdef DEBUG
  41   printf ("SKIPPED\n");
  42 #endif
  43   return 0;
  44 }