gcc/testsuite/gcc.dg/vect/vect-strided-store-a-u8-i2.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 typedef struct {
   9    unsigned char a;
  10    unsigned char b;
  11 } s;
  12
  13 __attribute__ ((noinline)) int
  14 main1 ()
  15 {
  16   s arr[N];
  17   s *ptr = arr;
  18   s res[N];
  19   int i;
  20   unsigned char a[N], b[N];
  21
  22
  23   for (i = 0; i < N; i++)
  24     {
  25       a[i] = i;
  26       b[i] = i * 2;
  27       if (a[i] == 178)
  28          abort();
  29     }
  30
  31   for (i = 0; i < N; i++)
  32     {
  33       res[i].a = a[i] + 3;
  34       res[i].b = a[i] + b[i];
  35       ptr++;
  36     }
  37
  38   /* check results:  */
  39   for (i = 0; i < N; i++)
  40     {
  41       if (res[i].a != a[i] + 3
  42           || res[i].b != a[i] + b[i])
  43         abort ();
  44     }
  45
  46   return 0;
  47 }
  48
  49 int main (void)
  50 {
  51   check_vect ();
  52
  53   main1 ();
  54
  55   return 0;
  56 }
  57
  58 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target { vect_interleave } } } } */
  59 /* { dg-final { cleanup-tree-dump "vect" } } */
  60