This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/16447] out of ssa generates bloated code
- 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: 2 Nov 2004 00:23:22 -0000
- Subject: [Bug tree-optimization/16447] out of ssa generates bloated code
- References: <20040709032906.16447.dann@godzilla.ics.uci.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-11-02 00:23 -------
Subject: Bug 16447
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: amacleod@gcc.gnu.org 2004-11-02 00:23:05
Modified files:
gcc : ChangeLog tree-cfg.c tree-flow.h
tree-optimize.c tree-outof-ssa.c
Log message:
2004-11-01 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/16447
* tree-cfg.c (bsi_commit_one_edge_insert): Rename from
bsi_commit_edge_inserts_1, and make funtion external. Return new block.
(bsi_commit_edge_inserts): Use renamed bsi_commit_one_edge_insert.
* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Enable listing.
* tree-flow.h (bsi_commit_one_edge_insert): Extern decl.
* tree-outof-ssa.c (rewrite_trees): Don't commit edges here.
(same_stmt_list_p): New. Return TRUE if edge is to be forwarded.
(identical_copies_p): New. Return true is two copies are the same.
(identical_stmt_lists_p): New. Return true if stmt lists are the same.
(analyze_edges_for_bb): New. Determine how best to insert edge stmts
for a basic block.
(perform_edge_inserts): New. Determine what to do with all stmts that
have been inserted on edges.
(remove_ssa_form): Analyze and commit edges from here.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6125&r2=2.6126
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&r1=2.96&r2=2.97
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&r1=2.57&r2=2.58
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-optimize.c.diff?cvsroot=gcc&r1=2.60&r2=2.61
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-outof-ssa.c.diff?cvsroot=gcc&r1=2.27&r2=2.28
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16447