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[Bug regression/39914] [4.4/4.5 Regression] 96% performance regression in floating point code; part of the problem started 2009/03/12-13
- From: "uros at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Apr 2009 16:18:44 -0000
- Subject: [Bug regression/39914] [4.4/4.5 Regression] 96% performance regression in floating point code; part of the problem started 2009/03/12-13
- References: <bug-39914-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from uros at gcc dot gnu dot org 2009-04-28 16:18 -------
Subject: Bug 39914
Author: uros
Date: Tue Apr 28 16:18:17 2009
New Revision: 146904
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=146904
Log:
PR rtl-optimization/39914
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables only
when not optimizing.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ira-conflicts.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39914