[Bug tree-optimization/88926] ivopts with some NOP conversions

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88926

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |x86_64-*-*
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-01-21
                 CC|                            |amker at gcc dot gnu.org,
                   |                            |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  Just to quote the testcase we don't optimize:

void
f1 (int *p, unsigned int i)
{
  __PTRDIFF_TYPE__ o = i;
  o *= 4;
  p = (int *)((char *)p + o);
  do
    {
      *p = 0;
      p += 1;
      i++;
    }
  while (i < 100);
}