gcc/testsuite/gcc.target/powerpc/altivec-24.c

   1 /* { dg-do run { target powerpc*-*-* } } */
   2 /* { dg-require-effective-target powerpc_altivec_ok } */
   3 /* { dg-options "-maltivec" } */
   4
   5 #include <altivec.h>
   6 #include "altivec_check.h"
   7
   8 extern void abort (void);
   9
  10 typedef int v4si __attribute__ ((vector_size (16)));
  11
  12 #define MAGIC_NUMBER 12345
  13
  14 v4si my_vect;
  15 int my_array[4] __attribute__ ((aligned (16)));
  16
  17 void initialize (int a)
  18 {
  19   my_vect = (v4si) {0, a, 2, 3};
  20   vec_st (my_vect, 0, my_array);
  21 }
  22
  23 int verify (void)
  24 {
  25   if (my_array[1] != MAGIC_NUMBER)
  26     abort ();
  27 }
  28
  29 int main (void)
  30 {
  31   altivec_check ();   /* Exit if hardware doesn't support AltiVec.  */
  32   initialize (MAGIC_NUMBER);
  33   verify ();
  34   return 0;
  35 }
  36