gcc/gcc ChangeLog.tree-ssa gimple-low.c tree-d ...

[dnovillo@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	dnovillo@gcc.gnu.org	2003-12-19 19:36:13

Modified files:
	gcc            : ChangeLog.tree-ssa gimple-low.c tree-dfa.c 
	                 tree-flow.h tree-ssa-operands.c 

Log message:
	* gimple-low.c (expand_var_p): Always expand volatiles.
	* tree-dfa.c (find_referenced_vars): Move up in the file.
	(create_memory_tags): New local function.
	(compute_may_aliases): Call it.
	(add_referenced_var): Move code to create memory tags and create
	aliasing arrays to create_memory_tags.
	(get_memory_tag_for): Don't mark memory tags volatile.  Mark them
	addressable.
	* tree-flow.h (var_ann_d): Add bitfields is_dereferenced_store and
	is_dereferenced_load.
	(add_call_clobbered_var): Remove.
	* tree-ssa-operands.c (check_optype_freelist): Mark arguments
	unused.
	(add_optype_freelist): Likewise.
	(add_stmt_operand): Don't add operands for volatile variables.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.1030&r2=1.1.2.1031
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gimple-low.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.15&r2=1.1.4.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-dfa.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.204&r2=1.1.4.205
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-flow.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.4.175&r2=1.1.4.176
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-operands.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.2&r2=1.1.2.3