https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #12 from Jeffrey A. Law ---
Author: law
Date: Mon Oct 3 19:28:24 2016
New Revision: 240727
URL: https://gcc.gnu.org/viewcvs?rev=240727&root=gcc&view=rev
Log:
PR tree-optimization/71550
PR tree-optimization/71403
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #11 from rguenther at suse dot de ---
On Wed, 15 Jun 2016, hubicka at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
>
> Jan Hubicka changed:
>
>What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
Jan Hubicka changed:
What|Removed |Added
CC||rguenther at suse dot de
--- Comment #10 f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #8 from Jeffrey A. Law ---
Author: law
Date: Mon Jun 13 20:55:59 2016
New Revision: 237403
URL: https://gcc.gnu.org/viewcvs?rev=237403&root=gcc&view=rev
Log:
PR tree-optimization/71403
* tree-ssa-threadbackward.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #7 from Jeffrey A. Law ---
So, to follow-up on my own comment. We start with 3 nested loops. The first
backward jump threading pass threads the backedge of the outermost loop to the
head of the middle loop.
That essentially combine
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #6 from Jeffrey A. Law ---
But what doesn't make sense here Jan is jump threading, has had the ability to
peel loop iterations forever, so if we're storing that data prior to threading
and expecting it to persist accurately across jum
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
Jan Hubicka changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
--- Comment #5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #4 from Jeffrey A. Law ---
*** Bug 71417 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
--- Comment #3 from Jeffrey A. Law ---
*** Bug 71466 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
Jeffrey A. Law changed:
What|Removed |Added
CC||law at redhat dot com
--- Comment #2 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71403
Jakub Jelinek changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
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