------- Additional Comments From dberlin at gcc dot gnu dot org 2005-03-08 03:30 ------- Subject: Re: The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
On Tue, 2005-03-08 at 03:18 +0000, pinskia at physics dot uc dot edu wrote: > ------- Additional Comments From pinskia at physics dot uc dot edu > 2005-03-08 03:18 ------- > Subject: Re: The missed-optimization of general induction variables in the > new rtl-level loop optimizer cause performance degradation. > > > On Mar 7, 2005, at 10:16 PM, Diego Novillo wrote: > > > pinskia at gcc dot gnu dot org wrote: > > > >> Why isn't the tree level loop IV-OPTs doing this? > > Because variable i is static. > > I think you commenting on the wrong bug. In swim, most of the loop bounds are accessed through the COMMON block, which is a structure. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20376