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[Bug tree-optimization/19038] [4.0 Regression] ivopts causing loops to have more than one BB
- 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: 19 Jan 2005 22:50:16 -0000
- Subject: [Bug tree-optimization/19038] [4.0 Regression] ivopts causing loops to have more than one BB
- References: <20041216155140.19038.dje@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-01-19 22:50 -------
Subject: Bug 19038
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: rakdver@gcc.gnu.org 2005-01-19 22:50:06
Modified files:
gcc : ChangeLog tree-ssa-loop-ivopts.c
Log message:
PR tree-optimization/19038
* tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
(add_candidate): Add ivs with increment in latch only if
allow_ip_end_pos_p is true.
(determine_iv_cost): Use empty_block_p.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7191&r2=2.7192
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&r1=2.41&r2=2.42
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19038