r125024 - in /trunk/gcc: ChangeLog Makefile.in ...

[rakdver at gcc dot gnu dot org]

Author: rakdver
Date: Thu May 24 14:02:12 2007
New Revision: 125024

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125024
Log:
	PR middle-end/32018
	* tree-ssa-threadupdate.c (thread_through_loop_header): Use
	set_loop_copy.
	(thread_through_all_blocks): Call initialize_original_copy_tables
	and free_original_copy_tables.
	* cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
	Use set_loop_copy.
	* tree-cfg.c (tree_duplicate_sese_region): Ditto.
	* cfghooks.c (duplicate_block): Use get_loop_copy.
	* cfg.c: Include cfgloop.h.
	(loop_copy): New hash table.
	(initialize_original_copy_tables): Initialize loop_copy table.
	(free_original_copy_tables): Free loop_copy table.
	(copy_original_table_clear, copy_original_table_set,
	set_loop_copy, get_loop_copy): New functions.
	(set_bb_original, set_bb_copy): Use copy_original_table_set.
	* cfgloop.h (struct loop): Remove copy field.
	* Makefile.in (cfg.o): Add CFGLOOP_H dependency.
	* basic-block.h (set_loop_copy, get_loop_copy): Declare.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/basic-block.h
    trunk/gcc/cfg.c
    trunk/gcc/cfghooks.c
    trunk/gcc/cfgloop.h
    trunk/gcc/cfgloopmanip.c
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-ssa-threadupdate.c