gcc/testsuite/gcc.dg/vect/vect-outer-2c-big-array.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 160
   7 float image[2*N][2*N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   8
   9 __attribute__ ((noinline)) void
  10 foo (){
  11   int i,j,k;
  12
  13  for (k=0; k<N; k++) {
  14   for (i = 0; i < N; i++) {
  15     for (j = 0; j < N; j+=2) {
  16       image[k][j][i] = j+i+k;
  17     }
  18   }
  19  }
  20 }
  21
  22 int main (void)
  23 {
  24   check_vect ();
  25   int i, j, k;
  26
  27   foo ();
  28
  29  for (k=0; k<N; k++) {
  30   for (i = 0; i < N; i++) {
  31 #pragma GCC novector
  32     for (j = 0; j < N; j+=2) {
  33       if (image[k][j][i] != j+i+k)
  34         abort ();
  35     }
  36   }
  37  }
  38
  39   return 0;
  40 }
  41
  42 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */