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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 static void mmx_test (void);
   5
   6 static void
   7 __attribute__ ((noinline))
   8 do_test (void)
   9 {
  10   mmx_test ();
  11 }
  12
  13 int
  14 main ()
  15   {
  16 #ifdef __BUILTIN_CPU_SUPPORTS__
  17     /* Many MMX intrinsics are simpler / faster to implement by
  18        transferring the __m64 (long int) to vector registers for SIMD
  19        operations.  To be efficient we also need the direct register
  20        transfer instructions from POWER8.  So we can test for
  21        arch_2_07.  */
  22     if ( __builtin_cpu_supports ("arch_2_07") )
  23       {
  24         do_test ();
  25 #ifdef DEBUG
  26         printf ("PASSED\n");
  27 #endif
  28       }
  29 #ifdef DEBUG
  30     else
  31       printf ("SKIPPED\n");
  32 #endif
  33 #endif /* __BUILTIN_CPU_SUPPORTS__ */
  34     return 0;
  35   }