r175847 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jul  5 11:24:26 2011
New Revision: 175847

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175847
Log:
2011-07-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49518
	PR tree-optimization/49628
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Skip
	irrelevant and invariant data-references.
	(vect_analyze_data_ref_access): For invariant loads clear the
	group association.

	* g++.dg/torture/pr49628.C: New testcase.
	* gcc.dg/torture/pr49518.c: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr49628.C
    trunk/gcc/testsuite/gcc.dg/torture/pr49518.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c