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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d599753..00dca63 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,48 @@ +2007-01-12 Zdenek Dvorak <dvorakz@suse.cz> + + * doc/loop.texi: Document recording of loop exits. + * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop. + (update_single_exits_after_duplication, + update_single_exit_for_duplicated_loop, + update_single_exit_for_duplicated_loops): Removed. + (duplicate_loop_to_header_edge): Do not call + update_single_exits_after_duplication and + update_single_exit_for_duplicated_loops. + (loop_version): Do not update single_exit information. + (fix_loop_structure): Use record_loop_exits instead of + mark_single_exit_loops. + * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update + the lists of loop exits. + * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force, + split_edge, merge_blocks): Update the lists of loop exits. + * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to + loop_optimizer_init. + * loop-init.c (loop_optimizer_init): Call record_loop_exits instead + of mark_single_exit_loops. + (loop_optimizer_finalize): Call release_recorded_exits. + * tree-ssa-loop.c (tree_loop_optimizer_init): Pass + LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init. + * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not + update single exit information. + * lambda-code.c (perfect_nestify): Ditto. + * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop. + (mark_single_exit_loops): Removed. + (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free, + get_exit_descriptions, rescan_loop_exit, record_loop_exits, + dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New + functions. + (get_loop_exit_edges, single_exit): Use recorded exit lists. + (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits. + (verify_loop_structure): Verify consistency of the exit lists. + (flow_loops_find): Use alloc_loop. Initialize exits hash. + (set_single_exit): Removed. + * cfgloop.h (struct loop_exit): New function. + (struct loop): single_exit_ field replaced by exits field. + (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS. + (struct loops): Added exits hash. + (mark_single_exit_loops, set_single_exit): Declaration removed. + (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare. + 2007-01-12 Richard Sandiford <richard@codesourcery.com> * doc/invoke.texi: Avoid use of @headitem. |