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 #pragma GCC novector
  38   for (i = 0; i < N; i++)
  39     {
  40       if (res[i].c != a[i]
  41           || res[i].a != b[i]
  42           || res[i].d != c[i]
  43           || res[i].b != a[i] + b[i])
  44         abort ();
  45     }
  46
  47   return 0;
  48 }
  49
  50 int main (void)
  51 {
  52   int i;
  53   s arr[N];
  54
  55   check_vect ();
  56
  57   for (i = 0; i < N; i++)
  58     {
  59       a[i] = i;
  60       b[i] = i * 2;
  61       c[i] = 17;
  62     }
  63
  64   main1 (arr);
  65
  66   return 0;
  67 }
  68
  69 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect"  { target { { vect_interleave || vect_strided4 } && vect_pack_trunc } } } } */
  70 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target { { ! { vect_interleave || vect_strided4 } } && { vect_pack_trunc } } } } } */
  71
  72