gcc/testsuite/gcc.dg/vect/pr45902.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 128
   7
   8 short res[N];
   9 short a[N];
  10
  11 int
  12 main1 ()
  13 {
  14   int i;
  15
  16   for (i = 0; i < N/4; i+=4)
  17     {
  18       res[i] = a[i] >> 8;
  19       res[i+1] = a[i+1] >> 8;
  20       res[i+2] = a[i+2] >> 8;
  21       res[i+3] = a[i+3] >> 8;
  22     }
  23 }
  24
  25 int
  26 main ()
  27 {
  28   int i;
  29
  30   check_vect ();
  31
  32   for (i = 0; i < N; i++)
  33     a[i] = i;
  34
  35   main1 ();
  36
  37 #pragma GCC novector
  38   for (i = 0; i < N; i++)
  39     if (res[i] != a[i] >> 8)
  40       abort ();
  41
  42   return 0;
  43 }
  44