gcc/testsuite/gcc.dg/vect/vect-outer-2.c

   1 /* { dg-require-effective-target vect_float } */
   2 /* { dg-require-effective-target vect_intfloat_cvt } */
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 40
   7 float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   8 float out[N];
   9
  10 /* Outer-loop vectorization.  */
  11
  12 __attribute__ ((noinline)) void
  13 foo (){
  14   int i,j;
  15
  16   for (i = 0; i < N; i++) {
  17     for (j = 0; j < N; j++) {
  18       image[j][i] = j+i;
  19     }
  20   }
  21 }
  22
  23 int main (void)
  24 {
  25   check_vect ();
  26   int i, j;
  27
  28   foo ();
  29
  30   for (i = 0; i < N; i++) {
  31     for (j = 0; j < N; j++) {
  32       if (image[j][i] != j+i)
  33         abort ();
  34     }
  35   }
  36
  37   return 0;
  38 }
  39
  40 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */