[Bug tree-optimization/53355] Autovectorization of a simple loop could be improved.

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53355

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-18 
12:32:11 UTC ---
The following testcase (extracted from PR53346, which stores zero though) shows
another case of slowness

void foo (int *p, int n)
{
  int i;
  for (i = 0; i < n; ++i)
    p[i] = 1;
}