view gcc/testsuite/gcc.dg/vect/no-scevccp-outer-1.c @ 158:494b0b89df80 default tip

...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* { dg-do compile } */

#define N 40
signed short image[N][N];
signed short block[N][N];

/* memory references in the inner-loop */

__attribute__ ((noinline)) unsigned int
foo (){
  int i,j;
  unsigned int diff = 0;

  for (i = 0; i < N; i++) {
    for (j = 0; j < N; j++) {
      diff += (image[i][j] - block[i][j]);
    }
  }
  return diff;
}

/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */