r197972 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Apr 15 14:08:41 2013
New Revision: 197972

URL: http://gcc.gnu.org/viewcvs?rev=197972&root=gcc&view=rev
Log:
2013-04-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56933
	* tree-vectorizer.h (struct _stmt_vec_info): Remove read_write_dep
	member.
	(GROUP_READ_WRITE_DEPENDENCE): Remove.
	(STMT_VINFO_GROUP_READ_WRITE_DEPENDENCE): Likewise.
	* tree-vect-data-refs.c (vect_analyze_group_access): Move
	dependence check ...
	vect_analyze_data_ref_dependence (vect_analyze_data_ref_dependence):
	... here.
	* tree-vect-stmts.c (new_stmt_vec_info): Do not initialize
	GROUP_READ_WRITE_DEPENDENCE.

	* gcc.dg/vect/pr56933.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr56933.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-stmts.c
    trunk/gcc/tree-vectorizer.h