gcc/gcc ChangeLog Makefile.in cfgloop.h cfgloo ...

[rakdver@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rakdver@gcc.gnu.org	2004-06-20 21:31:32

Modified files:
	gcc            : ChangeLog Makefile.in cfgloop.h cfgloopanal.c 
	                 common.opt loop-init.c passes.c toplev.c 
	gcc/doc        : invoke.texi passes.texi 
Added files:
	gcc            : loop-invariant.c 

Log message:
	* loop-invariant.c: New file.
	* Makefile.in (loop-invariant.o): New.
	* cfgloop.h (global_cost_for_size, init_set_costs,
	move_loop_invariants): Declare.
	* cfgloopanal.c (seq_cost, init_set_costs, global_cost_for_size): New
	functions.
	(avail_regs, res_regs, small_cost, pres_cost, spill_cost): New
	variables.
	* common.opt (floop-optimize2, fmove-loop-invariants): New options.
	* loop-init.c (loop_optimizer_init): Call init_set_costs.
	* passes.c (rest_of_handle_loop2): Call move_loop_invariants.
	(rest_of_compilation): Check flag_loop_optimize2.
	* toplev.c (process_options): Handle flag_loop_optimize2.
	* doc/invoke.texi (-floop-optimize2, -fmove-loop-invariants): Document.
	* doc/passes.texi (loop-invariant.c): Document.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-invariant.c.diff?cvsroot=gcc&r1=1.1&r2=2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.4054&r2=2.4055
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.1302&r2=1.1303
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloop.h.diff?cvsroot=gcc&r1=1.19&r2=1.20
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopanal.c.diff?cvsroot=gcc&r1=1.24&r2=1.25
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/common.opt.diff?cvsroot=gcc&r1=1.36&r2=1.37
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-init.c.diff?cvsroot=gcc&r1=1.9&r2=1.10
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/passes.c.diff?cvsroot=gcc&r1=2.21&r2=2.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.906&r2=1.907
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&r1=1.470&r2=1.471
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/passes.texi.diff?cvsroot=gcc&r1=1.33&r2=1.34