gcc/gcc ChangeLog basic-block.h cfg.c cfgclean ...

[rth at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_1-branch
Changes by:	rth@gcc.gnu.org	2002-04-09 13:39:01

Modified files:
	gcc            : ChangeLog basic-block.h cfg.c cfgcleanup.c 
	                 cfgrtl.c except.c except.h jump.c loop.c 
	                 sched-rgn.c 

Log message:
	* basic-block.h (flow_delete_block_noexpunge): Declare.
	(expunge_block_nocompact): Declare.
	* cfg.c (expunge_block_nocompact): Split out from ...
	(expunge_block): ... here.
	* cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
	(flow_delete_block_noexpunge): Split out from ...
	(flow_delete_block): ... here.
	* cfgcleanup.c (delete_unreachable_blocks): Compact while
	removing dead blocks.
	* except.c (exception_handler_labels): Remove.
	(exception_handler_label_map): New.
	(struct eh_region): Add aka member.
	(mark_ehl_map_entry, mark_ehl_map, free_region): New.
	(ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
	(for_each_eh_label, for_each_eh_label_1): New.
	(init_eh): Register exception_handler_label_map.
	(free_eh_status): Use free_region.
	(find_exception_handler_labels): Use the map, not the list.
	(remove_exception_handler_label): Likewise.
	(maybe_remove_eh_handler): Likewise.
	(remove_eh_handler): Use the region aka bitmap.
	* except.h (exception_handler_labels): Remove.
	(for_each_eh_label): Declare.
	* jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
	* loop.c (invalidate_loops_containing_label): New.
	(find_and_verify_loops): Use it.  Use for_each_eh_label.
	* sched-rgn.c (is_cfg_nonregular): Use
	current_function_has_exception_handlers.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.13152.2.325&r2=1.13152.2.326
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.134.2.1&r2=1.134.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfg.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.18&r2=1.18.8.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgcleanup.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.38.2.1&r2=1.38.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgrtl.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.29.2.3&r2=1.29.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/except.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.212.2.1&r2=1.212.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/except.h.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.61.4.1&r2=1.61.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/jump.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.205&r2=1.205.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.389.2.3&r2=1.389.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/sched-rgn.c.diff?cvsroot=gcc&only_with_tag=gcc-3_1-branch&r1=1.32.2.2&r2=1.32.2.3