gcc/gcc ChangeLog.tree-ssa Makefile.in common. ...

[dnovillo@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	dnovillo@gcc.gnu.org	2003-11-20 20:54:41

Modified files:
	gcc            : ChangeLog.tree-ssa Makefile.in common.opt 
	                 flags.h gimplify.c opts.c timevar.def toplev.c 
	                 tree-cfg.c tree-dump.c tree-eh.c tree-flow.h 
	                 tree-optimize.c tree-ssa-ccp.c tree-ssa-dom.c 
	                 tree.h 
	gcc/doc        : invoke.texi 
Added files:
	gcc            : tree-sra.c 

Log message:
	Initial fix for PR optimization/12747
	
	* Makefile.in (OBJS): Add tree-sra.o
	* common.opt (ftree-sra): Add.
	* flags.h (flag_tree_sra): Declare.
	* gimplify.c (gimplify_addr_expr): Set TREE_INVARIANT
	when producing and address expression for a DECL node.
	* opts.c (decode_options): Enable SRA at -O1.
	(common_handle_option): Handle -ftree-sra.
	* timevar.def (TV_TREE_SRA): New timer.
	* toplev.c (flag_tree_sra): Define.
	* tree-cfg.c (stmt_ends_bb_p): Declare extern.
	(bsi_replace): Add boolean argument to specify whether to
	preserve EH region information.  Update all callers.
	(bsi_commit_edge_inserts): Also check the edge from ENTRY_BLOCK_PTR
	to basic block 0.
	Move loop body ...
	(bsi_commit_edge_inserts_1): ... here.
	* tree-dump.c: Add dump for SRA pass.
	* tree.h (enum tree_dump_index): Modify accordingly.
	(STRIP_USELESS_TYPE_CONVERSION): Define.  Update all callers to
	tree_ssa_useless_type_conversion.
	* tree-eh.c (add_stmt_to_eh_region): New function.
	* tree-flow.h (stmt_ends_bb_p): Declare.
	(add_stmt_to_eh_region): Declare.
	(tree_sra): Declare.
	(enum bsi_iterator_update): Mirror entries in
	enum tsi_iterator_update.
	* tree-optimize.c (optimize_function_tree): Call SRA pass
	after must-alias.
	* tree-sra.c: New file.
	* doc/invoke.texi: Document -ftree-sra and -fdump-tree-sra.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-sra.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.897&r2=1.1.2.898
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.903.2.135&r2=1.903.2.136
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/common.opt.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.14.2.10&r2=1.14.2.11
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flags.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.86.2.39&r2=1.86.2.40
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gimplify.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.119&r2=1.1.2.120
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/opts.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.31.2.18&r2=1.31.2.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/timevar.def.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.14.2.22&r2=1.14.2.23
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.654.2.78&r2=1.654.2.79
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-cfg.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.220&r2=1.1.4.221
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dump.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.6.2.54&r2=1.6.2.55
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-eh.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.16&r2=1.1.2.17
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.157&r2=1.1.4.158
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-optimize.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.76&r2=1.1.4.77
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.114&r2=1.1.2.115
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dom.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.82&r2=1.1.2.83
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.342.2.134&r2=1.342.2.135
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.152.2.59&r2=1.152.2.60