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[Bug tree-optimization/18601] [4.0 Regression] tree cfglceanup is slow
- 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: 6 Dec 2004 20:22:13 -0000
- Subject: [Bug tree-optimization/18601] [4.0 Regression] tree cfglceanup is slow
- References: <20041121210852.18601.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-12-06 20:22 -------
Subject: Bug 18601
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: kazu@gcc.gnu.org 2004-12-06 20:22:02
Modified files:
gcc : ChangeLog tree-cfg.c tree-flow.h
Log message:
PR tree-optimization/18601
* tree-cfg.c (thread_jumps, thread_jumps_from_bb): Removed.
(tree_forwarder_block_p): Do not consider blocks that are its own
successors forwarders.
(cleanup_forwarder_blocks, remove_forwarder_block): New functions.
(cleanup_tree_cfg): Use cleanup_forwarder_blocks instead of
thread_jumps.
* tree-flow.h (bb_ann_d): Remove forwardable.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6726&r2=2.6727
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.132&r2=2.133
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&r1=2.73&r2=2.74
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18601