gcc/gcc ChangeLog tree-ssa-dom.c tree-ssa-forw ...

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	law@gcc.gnu.org	2005-05-24 02:54:06

Modified files:
	gcc            : ChangeLog tree-ssa-dom.c tree-ssa-forwprop.c 
	                 tree-ssa-propagate.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: 20050520-1.c pr21638.c 

Log message:
	* tree-ssa-dom.c (cprop_into_stmt): Do not call
	recompute_tree_invariant_for_addr_expr here.
	(optimize_stmt): Call it here instead and do so if anything
	at all has changed in the statement and the RHS is an ADDR_EXPR.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
	needed, call recompute_tree_invariant_for_addr_expr.
	* tree-ssa-propagate.c (substitute_and_fold): Call
	recompute_tree_invariant_for_addr_expr as needed.
	
	* gcc.c-torture/compile/pr21638.c: New test.
	* gcc.c-torture/compile/20050520-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8878&r2=2.8879
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-dom.c.diff?cvsroot=gcc&r1=2.112&r2=2.113
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-forwprop.c.diff?cvsroot=gcc&r1=2.19&r2=2.20
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-propagate.c.diff?cvsroot=gcc&r1=2.20&r2=2.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5507&r2=1.5508
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/20050520-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/pr21638.c.diff?cvsroot=gcc&r1=NONE&r2=1.1