On Tue, Mar 04, 2014 at 08:48:40AM +0100, Jakub Jelinek wrote:
> On Mon, Mar 03, 2014 at 07:19:51PM -0800, Andrew Pinski wrote:
> > On Mon, Mar 3, 2014 at 5:02 AM, lin zuojian <manjian2...@gmail.com> wrote:
> >
> > Testcase?
> > How about making a generic pass which does this?
> >
> > See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23684 also. At the
> > same time this can be used to do the store pair optimization for
> > ARM/AARCH64 too.
>
> Yeah, I'll try to ressurrect my PR22141 patch after 4.9 branches, and would
> appreciate if more people would cooperate in finding out the best heuristics
> when it should be applied (for -Os it is usually clear, for non-strict align
> targets and optimization for speed less so, for strict align targets even
> less so).
>
> Jakub
Hi,
Seem been handled.Ignore this patch.All of them are wrong.
--
Regards
lin zuojian
