gcc/testsuite/gcc.dg/vect/vect-66.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 __attribute__ ((noinline))
   9 void main1 ()
  10 {
  11   int i, j;
  12   int ia[8][5][N+2];
  13
  14   /* Multidimensional array. Aligned. */
  15   for (i = 0; i < 16; i++)
  16     {
  17       for (j = 0; j < N; j++)
  18         {
  19            ia[2][6][j] = 5;
  20         }
  21     }
  22
  23   /* check results: */
  24   for (i = 0; i < 16; i++)
  25     {
  26       for (j = 0; j < N; j++)
  27         {
  28            if (ia[2][6][j] != 5)
  29                 abort();
  30         }
  31     }
  32 }
  33
  34 __attribute__ ((noinline))
  35 void main2 ()
  36 {
  37   int i, j;
  38   int ia[8][5][N+2];
  39
  40   /* Multidimensional array. Aligned. */
  41   for (i = 0; i < 16; i++)
  42     {
  43       for (j = 0; j < N; j++)
  44            ia[3][6][j+2] = 5;
  45     }
  46
  47   /* check results: */
  48   for (i = 0; i < 16; i++)
  49     {
  50       for (j = 2; j < N+2; j++)
  51         {
  52            if (ia[3][6][j] != 5)
  53                 abort();
  54         }
  55     }
  56 }
  57
  58 __attribute__ ((noinline))
  59 void main3 ()
  60 {
  61   int i, j;
  62   int ic[16][16][5][N+2];
  63
  64   /* Multidimensional array. Not aligned. */
  65   for (i = 0; i < 16; i++)
  66     {
  67       for (j = 0; j < N; j++)
  68         {
  69            ic[2][1][6][j+1] = 5;
  70         }
  71     }
  72
  73   /* check results: */
  74   for (i = 0; i < 16; i++)
  75     {
  76       for (j = 0; j < N; j++)
  77         {
  78            if (ic[2][1][6][j+1] != 5)
  79                 abort();
  80         }
  81     }
  82 }
  83
  84 int main (void)
  85 {
  86   check_vect ();
  87
  88   main1 ();
  89   main2 ();
  90   main3 ();
  91
  92   return 0;
  93 }
  94
  95 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" } } */
  96 /* { dg-final { cleanup-tree-dump "vect" } } */