gcc/gcc ChangeLog.lno Makefile.in basic-block. ...

[rakdver@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	lno-branch
Changes by:	rakdver@gcc.gnu.org	2004-01-22 01:10:47

Modified files:
	gcc            : ChangeLog.lno Makefile.in basic-block.h 
	                 cfghooks.c cfgloopanal.c cfgloopmanip.c 
	                 dominance.c tree-cfg.c tree-flow.h 
	                 tree-ssa-loop.c tree-ssa-operands.c 
	                 tree-ssa-operands.h 
Added files:
	gcc            : tree-ssa-loop-manip.c 

Log message:
	* tree-ssa-loop-manip.c: New file.
	* Makefile.in (tree-ssa-loop-manip.o): Add.
	* basic-block.h (struct reorder_block_def): New field copy_number.
	* cfghooks.c (split_block, make_forwarder_block): Update irreducible
	loop information.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
	* tree-cfg.c (tree_duplicate_bb): Duplicate also virtual operands.
	* tree-flow.h (enum tree_ann_type): Add MISC_ANN.
	(struct misc_ann_d): New.
	(union tree_ann_d): Add misc field.
	(test_unrolling_and_peeling, tree_duplicate_loop_to_header_edge):
	Declare.
	* tree-ssa-loop.c (tree_ssa_loop_opt): Call
	test_unrolling_and_peeling.
	* tree-ssa-operands.c (copy_virtual_operands): New.
	* tree-ssa-operands.h (copy_virtual_operands): Declare.
	
	* dominance.c: Fix comment.
	
	* cfgloopanal.c (mark_irreducible_loops): Rewriten.
	(struct edge, struct vertex, struct graph): New.
	(dump_graph, new_graph, add_edge, dfs, check_irred, for_each_edge,
	free_graph): New functions.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop-manip.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.lno.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.32&r2=1.1.2.33
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.903.2.158.2.5&r2=1.903.2.158.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/basic-block.h.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.153.2.39.2.2&r2=1.153.2.39.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfghooks.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.4.2.2&r2=1.1.2.4.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopanal.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.2.4.9.2.2&r2=1.2.4.9.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cfgloopmanip.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.3.2.11.2.2&r2=1.3.2.11.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/dominance.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.10.2.11.2.1&r2=1.10.2.11.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.4.244.2.3&r2=1.1.4.244.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.4.177.2.4&r2=1.1.4.177.2.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-loop.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.3.2.3&r2=1.1.2.3.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-operands.c.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.3.2.1&r2=1.1.2.3.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-operands.h.diff?cvsroot=gcc&only_with_tag=lno-branch&r1=1.1.2.2&r2=1.1.2.2.2.1