gcc/testsuite/gcc.dg/vect/vect-cond-6.c

   1 /* { dg-require-effective-target vect_condition } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define K 32
   7
   8 int cond_array[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   9 int a[K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  10 int out[K];
  11
  12 __attribute__ ((noinline)) void
  13 foo (int c)
  14 {
  15   int res, i, j, k, next;
  16
  17   for (k = 0; k < K; k++)
  18     {
  19       for (j = 0; j < K; j++)
  20         {
  21           res = 0;
  22           for (i = 0; i < K; i++)
  23             {
  24               next = a[i][j];
  25               res = c > cond_array[i+k][j] ? next : res;
  26             }
  27
  28           out[j] = res;
  29         }
  30     }
  31 }
  32
  33 int main ()
  34 {
  35   int i, j, k;
  36
  37   check_vect ();
  38
  39   for  (j = 0; j < K; j++)
  40     {
  41       for (i = 0; i < 2*K; i++)
  42         cond_array[i][j] = i+j;
  43
  44       for (i = 0; i < K; i++)
  45         a[i][j] = i+2;
  46     }
  47
  48   foo(125);
  49
  50   for (k = 0; k < K; k++)
  51     if (out[k] != 33)
  52       abort ();
  53
  54   return 0;
  55 }
  56
  57 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */
  58