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

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