This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/23835] [4.1 Regression] case where gcc 4.1.0 -O3 compile takes two times longer earlier versions
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Sep 2005 01:28:38 -0000
- Subject: [Bug tree-optimization/23835] [4.1 Regression] case where gcc 4.1.0 -O3 compile takes two times longer earlier versions
- References: <20050912163013.23835.jaffe@broad.mit.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-09-15 01:28 -------
Subject: Bug 23835
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: dberlin@gcc.gnu.org 2005-09-15 01:28:14
Modified files:
gcc : ChangeLog tree-ssa-alias.c
Log message:
2005-09-14 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/23835
* tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
(create_name_tags): Rewrite to be not O(num_ssa_names^2).
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9957&r2=2.9958
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-alias.c.diff?cvsroot=gcc&r1=2.109&r2=2.110
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835