egcs/gcc ChangeLog Makefile.in basic-block.h c ...

[hubicka at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	hubicka@gcc.gnu.org	2002-03-06 02:17:30

Modified files:
	gcc            : ChangeLog Makefile.in basic-block.h cfganal.c 
	                 cfgcleanup.c cfgrtl.c cse.c emit-rtl.c flow.c 
	                 profile.c rtl.h rtlanal.c timevar.def toplev.c 

Log message:
	* cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
	* rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare
	
	* basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
	delete_noop_moves): Return indeger.
	* flow.c (ndead): New variable.
	(propagate_block_delete_insn): Use delete_insn_and_edges; remove
	BB argument; update callers.
	(propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
	(life_analysis): Do not call purge_all_dead_edges.
	(update_life_info): Return number of deleted insns; print statistics.
	(update_life_info_in_dirty_blocks): likewise.
	(delete_noop_moves): Use delete_insn_and_edges; print statistics;
	return number of insns deleted.
	
	* cse.c: Include timevar.h
	(delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
	iterate until stabilizes; print statistics; return number of killed
	insns.
	* Makefile.in: (cse.o): Add timevar.h dependency
	* rtl.h (delete_trivially_dead_insns): New.
	* timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
	* toplev.c (rest_of_compilation): Update callers.
	
	* cfgcleanup.c (try_optimize_cfg): Kill blocks.
	(try_optimize_cfg): Do not update liveness.
	(cleanup-cfg): Loop until try_optimize_cfg and dead code
	removal stabilizes; use delete_trivially_dead_insns.
	
	* cfgrtl.c (verify_flow_info): Sanity check outgoing edges.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.13246&r2=1.13247
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.832&r2=1.833
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.135&r2=1.136
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfganal.c.diff?cvsroot=gcc&r1=1.15&r2=1.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfgcleanup.c.diff?cvsroot=gcc&r1=1.39&r2=1.40
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfgrtl.c.diff?cvsroot=gcc&r1=1.32&r2=1.33
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cse.c.diff?cvsroot=gcc&r1=1.219&r2=1.220
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/emit-rtl.c.diff?cvsroot=gcc&r1=1.253&r2=1.254
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/flow.c.diff?cvsroot=gcc&r1=1.507&r2=1.508
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/profile.c.diff?cvsroot=gcc&r1=1.80&r2=1.81
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtl.h.diff?cvsroot=gcc&r1=1.333&r2=1.334
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtlanal.c.diff?cvsroot=gcc&r1=1.126&r2=1.127
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/timevar.def.diff?cvsroot=gcc&r1=1.12&r2=1.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/toplev.c.diff?cvsroot=gcc&r1=1.584&r2=1.585