------- Comment #1 from pinskia at gcc dot gnu dot org 2007-05-28 20:56 ------- This is an aliasing issue. The reason why we don't optimize this is because we think a/b and escape except in Fortran that is not the case.
I think there is another bug about this case somewhere too. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Keywords| |alias Last reconfirmed|0000-00-00 00:00:00 |2007-05-28 20:56:12 date| | Summary|knowing that stride==1 when |knowing that stride==1 when |using allocated arrays |using allocated arrays and | |escaping allocatable arrays http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32131