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gcc/gcc ChangeLog.tree-ssa tree-ssa-pre.c
- From: dberlin at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 5 Mar 2003 17:34:19 -0000
- Subject: gcc/gcc ChangeLog.tree-ssa tree-ssa-pre.c
CVSROOT: /cvs/gcc
Module name: gcc
Branch: tree-ssa-20020619-branch
Changes by: dberlin at gcc dot gnu dot org 2003-03-05 17:34:19
Modified files:
gcc : ChangeLog.tree-ssa tree-ssa-pre.c
Log message:
2003-03-03 Daniel Berlin <dberlin at dberlin dot org>
* tree-ssa-pre.c (is_strred_cand): Temporarily disable strength
reduction while working on bootstrapping.
(requires_edge_placement): Reenable for now, until an insertion
infrastructure exists that can handle critical edges.
(count_stmts_in_bb): New function, used for verifying we do
insertions properly.
(update_old_new): Fix up bb heads as well.
(do_proper_save): Handle single statement bb properly.
Handle BB's contained in BIND_EXPRS.
(code_motion): Count number of statements in bb before and after
to make sure we don't screw up boundaries.
(finalize_1): Ditto.
(rename_2): Fix subtle rename bug.
(phi_opnd_from_res): Do this the right way, by cloning the
occurrence and modifying it, as every other PRE implementation
does.
(tree_perform_ssapre): Handle comparisons too (unary exprs
currently disabled till load PRE is reimplemented).
(reset_can_be_avail): Fix can_be_avail test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.259&r2=1.1.2.260
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-pre.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.49&r2=1.1.4.50