[Bug tree-optimization/23835] [4.1 Regression] case where gcc 4.1.0 -O3 compile takes two times longer earlier versions

[cvs-commit 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



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835