gcc/testsuite/gcc.dg/vect/vect-strided-store-u16-i4.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 typedef struct {
   9    unsigned short a;
  10    unsigned short b;
  11    unsigned short c;
  12    unsigned short d;
  13 } s;
  14
  15 unsigned short a[N];
  16 unsigned short b[N];
  17 unsigned short c[N];
  18
  19 __attribute__ ((noinline)) int
  20 main1 (s *arr)
  21 {
  22   int i;
  23   s *ptr = arr;
  24   s res[N];
  25   unsigned short x, y, z, w;
  26
  27   for (i = 0; i < N; i++)
  28     {
  29       res[i].c = a[i];
  30       res[i].a = b[i];
  31       res[i].d = c[i];
  32       res[i].b = a[i] + b [i];
  33       ptr++;
  34     }
  35
  36   /* check results:  */
  37   for (i = 0; i < N; i++)
  38     {
  39       if (res[i].c != a[i]
  40           || res[i].a != b[i]
  41           || res[i].d != c[i]
  42           || res[i].b != a[i] + b[i])
  43         abort ();
  44     }
  45
  46   return 0;
  47 }
  48
  49 int main (void)
  50 {
  51   int i;
  52   s arr[N];
  53
  54   check_vect ();
  55
  56   for (i = 0; i < N; i++)
  57     {
  58       a[i] = i;
  59       b[i] = i * 2;
  60       c[i] = 17;
  61     }
  62
  63   main1 (arr);
  64
  65   return 0;
  66 }
  67
  68 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect"  { target { vect_interleave && vect_pack_trunc  } } } } */
  69 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target { { ! { vect_interleave } } && { vect_pack_trunc } } } } } */
  70 /* { dg-final { cleanup-tree-dump "vect" } } */
  71
  72