gcc/testsuite/gcc.dg/vect/vect-29a.c

   1 /* { dg-do run { target powerpc*-*-* } } */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
   4 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -mmmx" { target i?86-*-* x86_64-*-* } } */
   5
   6 #include <stdarg.h>
   7 #include "tree-vect.h"
   8
   9 #define N 128
  10 #define OFF 3
  11
  12 /* unaligned load.  */
  13
  14 int main1 (int off)
  15 {
  16   int i;
  17   int ia[N];
  18   int ib[N+OFF];
  19
  20   for (i = 0; i < N+OFF; i++)
  21     {
  22       ib[i] = i;
  23     }
  24
  25   for (i = 0; i < N; i++)
  26     {
  27       ia[i] = ib[i+off];
  28     }
  29
  30   /* check results:  */
  31   for (i = 0; i < N; i++)
  32     {
  33       if (ia[i] != ib[i+off])
  34         abort ();
  35     }
  36
  37   return 0;
  38 }
  39
  40 int main (void)
  41 {
  42   check_vect ();
  43
  44   main1 (0); /* aligned */
  45   main1 (OFF); /* unaligned */
  46   return 0;
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  50