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

[rakdver@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rakdver@gcc.gnu.org	2002-05-19 15:25:49

Modified files:
	gcc            : ChangeLog basic-block.h cfg.c cfgbuild.c 
	                 cfgcleanup.c cfglayout.c cfgrtl.c 

Log message:
	* basic_block.h (struct basic_block_def): Added prev_bb and next_bb
	fields.
	(FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
	traversing basic block chain.
	(create_basic_block_structure, create_basic_block): Declaration changed.
	(link_block, unlink_block): Declare.
	* cfg.c (entry_exit_blocks): Initialize new fields.
	(link_block, unlink_block): New.
	(expunge_block_nocompact): Unlink basic block.
	(dump_flow_info): Print prev_bb/next_bb fields.
	* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
	* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
	* cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
	* cfgrtl.c (create_basic_block_structure, create_basic_block,
	split_block, force_nonfallthru_and_redirect, split_edge): Modified.
	(verify_flow_info): Check that list agrees with numbering.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.14158&r2=1.14159
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.143&r2=1.144
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfg.c.diff?cvsroot=gcc&r1=1.26&r2=1.27
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgbuild.c.diff?cvsroot=gcc&r1=1.15&r2=1.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgcleanup.c.diff?cvsroot=gcc&r1=1.55&r2=1.56
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfglayout.c.diff?cvsroot=gcc&r1=1.13&r2=1.14
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgrtl.c.diff?cvsroot=gcc&r1=1.47&r2=1.48