gcc/gcc ChangeLog cfgloop.h cfgloopanal.c dolo ...

[dje@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	dje@gcc.gnu.org	2004-03-02 01:12:04

Modified files:
	gcc            : ChangeLog cfgloop.h cfgloopanal.c doloop.c 
	                 loop-init.c loop-unroll.c loop.h 

Log message:
	2004-03-01  Mircea Namolaru  <namolaru@il.ibm.com>
	
	* cfgloop.h (get_var_set_from_bct, is_bct_cond): Declaration of
	new functions.
	* cfgloopanal.c: Include loop.h.
	(get_var_set_from_bct): New function.
	(is_bct_cond): New function.
	(blocks_single_set_registers): Handle branch and count jumps.
	(count_loop_iterations): Likewise.
	(simple_increment): Likewise
	* doloop.c (doloop_condition_get): Export.
	* loop-init.c (fixup_loop_exit_succesor): New function.
	(loop_optimizer_finalize): Handle loops ending with branch and
	count jumps.
	* loop-unroll.c: Include toplev.h
	(discard_increment): New function.
	(expand_bct): New function.
	(peel_loop_completely): Handle the removal of branch and count jumps.
	(unroll_loop_constant_iterations): Likewise.
	(unroll_loop_runtime_iterations): Likewise
	* loop.h (doloop_condition_get): Declare.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.269&r2=2.2326.2.270
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloop.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.12&r2=1.12.4.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopanal.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.18&r2=1.18.4.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doloop.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.29&r2=1.29.14.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-init.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.7&r2=1.7.4.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop-unroll.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.13&r2=1.13.4.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.69&r2=1.69.10.1