[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2024-05-16 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2024-05-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #16 from GCC Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:f3e5f4c58591f5dacdd14a65ec47bbe310df02a0 commit r15-580-gf3e5f4c58591f5dacdd14a65ec47bbe310df02a0 Author: Richard Biener Date:

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2023-06-05 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 Richard Biener changed: What|Removed |Added CC||zhongyunde at huawei dot com ---

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2018-02-05 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #14 from Richard Biener --- *** Bug 84188 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2016-11-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 Richard Biener changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2016-04-29 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #12 from Richard Biener --- Author: rguenth Date: Fri Apr 29 08:36:49 2016 New Revision: 235622 URL: https://gcc.gnu.org/viewcvs?rev=235622=gcc=rev Log: 2016-04-29 Richard Biener PR

[Bug tree-optimization/13962] [tree-ssa] make "fold" use alias information to optimize pointer comparisons

2016-04-29 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #11 from Richard Biener --- For GCC 7 we can now do ptr != decl (for certain kinds of decls). I have patches extending this to the ptr != ptr case but they need work because PTA needs to handle points-to NULL (aka nothing) and

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2014-08-15 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #8 from rguenther at suse dot de rguenther at suse dot de --- On Thu, 14 Aug 2014, glisse at gcc dot gnu.org wrote: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #7 from Marc Glisse glisse at gcc dot gnu.org ---

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2014-08-15 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #9 from Richard Biener rguenth at gcc dot gnu.org --- Created attachment 6 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=6action=edit patch Like this - does it help the particular case? Note that one issue is that

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2014-08-15 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 Marc Glisse glisse at gcc dot gnu.org changed: What|Removed |Added CC||glisse at gcc dot

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2014-08-14 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962 --- Comment #7 from Marc Glisse glisse at gcc dot gnu.org --- While looking at some unrelated issue, I noticed the following: _41 = operator new (28); ... if (_41 != _S_empty_rep_storage) which happens with a simple use of std::string (with

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2009-02-22 Thread steven at gcc dot gnu dot org
--- Comment #5 from steven at gcc dot gnu dot org 2009-02-22 19:09 --- Richi, this may be easy to fix on the AIB... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13962

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2009-02-22 Thread rguenth at gcc dot gnu dot org
--- Comment #6 from rguenth at gcc dot gnu dot org 2009-02-22 20:20 --- Easy but dangerous ;) -- rguenth at gcc dot gnu dot org changed: What|Removed |Added

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2006-12-11 Thread dann at ics dot uci dot edu
--- Comment #4 from dann at ics dot uci dot edu 2006-12-12 06:01 --- Subject: Re: [tree-ssa] make fold use alias information to optimize pointer comparisons steven at gcc dot gnu dot org [EMAIL PROTECTED] writes: --- Comment #3 from steven at gcc dot gnu dot org 2006-12-10

[Bug tree-optimization/13962] [tree-ssa] make fold use alias information to optimize pointer comparisons

2006-03-10 Thread dnovillo at gcc dot gnu dot org
-- dnovillo at gcc dot gnu dot org changed: What|Removed |Added CC||dnovillo at gcc dot gnu dot |