r162329 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jul 20 11:28:56 2010
New Revision: 162329

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162329
Log:
2010-07-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/44971
	PR middle-end/44988
	* tree-ssa.c (maybe_optimize_var): New function split out from ...
	(execute_update_addresses_taken): ... here.
	(non_rewritable_mem_ref_base): Likewise.
	(execute_update_addresses_taken): Do not iterate over all referenced
	vars but just all local decls and parms.
	Properly check call and asm arguments and rewrite call arguments.

	* gcc.dg/pr44971.c: New testcase.
	* gcc.c-torture/compile/pr44988.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr44988.c
    trunk/gcc/testsuite/gcc.dg/pr44971.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa.c