r208479 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Mar 11 12:42:18 2014
New Revision: 208479

URL: http://gcc.gnu.org/viewcvs?rev=208479&root=gcc&view=rev
Log:
2014-03-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/60429
	PR tree-optimization/60485
	* tree-ssa-structalias.c (set_union_with_increment): Properly
	take into account all fields that overlap the shifted vars.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.
	(get_constraint_for_ptr_offset): Likewise.

	* gcc.dg/pr60485-1.c: New testcase.
	* gcc.dg/pr60485-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/pr60485-1.c
    trunk/gcc/testsuite/gcc.dg/pr60485-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c