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gcc/gcc ChangeLog.lno tree-flow.h tree-ssa-loo ...
- From: rakdver at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 18 Mar 2004 22:48:34 -0000
- Subject: gcc/gcc ChangeLog.lno tree-flow.h tree-ssa-loo ...
CVSROOT: /cvs/gcc
Module name: gcc
Branch: lno-branch
Changes by: rakdver@gcc.gnu.org 2004-03-18 22:48:34
Modified files:
gcc : ChangeLog.lno tree-flow.h tree-ssa-loop-im.c
tree-ssa-loop-ivopts.c tree-ssanames.c
Log message:
* tree-flow.h (loop_commit_inserts): Declare.
* tree-ssa-loop-im.c (commit_inserts): Rename to...
(loop_commit_inserts): ... this.
* move_computations (move_computations, determine_lsm): Use
loop_commit_inserts.
* tree-ssa-loop-ivopts.c (AVG_LOOP_NITER): New macro.
(struct iv): New field use_id.
(struct version_info): New field preserve_biv.
(alloc_iv, record_use, free_loop_data): Initialize new fields.
(enum use_type): Add USE_OUTER.
(dump_use, find_interesting_uses_op, add_derived_ivs_candidates,
determine_use_iv_cost, rewrite_use): Handle USE_OUTER.
(dump_cand, find_interesting_uses_stmt, add_candidate_1,
determine_use_iv_cost_condition, determine_iv_cost, set_cost,
create_new_iv, rewrite_use_nonlinear_expr): Handle final value
replacement.
(find_interesting_uses_outer, add_iv_outer_candidates,
may_replace_final_value, determine_use_iv_cost_outer,
remove_statement, rewrite_use_outer): New functions.
(var_at_use): Replaced by ...
(var_at_stmt): ... this.
(get_computation_at): Split from ...
(get_computation): ... here.
(get_computation_cost_at): Split from ...
(get_computation_cost): ... here.
(iv_value): Split from ...
(cand_value_at): ... here.
(may_eliminate_iv, rewrite_use_compare): Reflect these changes.
(tree_ssa_iv_optimize_loop): Call loop_commit_inserts.
* tree-ssanames.c (make_ssa_name): Handle NULL argument.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.lno.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.90&r2=1.1.2.91
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.4.177.2.15&r2=1.1.4.177.2.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-im.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.7&r2=1.1.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-ivopts.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.14&r2=1.1.2.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssanames.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.6.2.1&r2=1.1.2.6.2.2