http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60276
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Feb 25 12:42:59 2014 New Revision: 208119 URL: http://gcc.gnu.org/viewcvs?rev=208119&root=gcc&view=rev Log: 2014-02-25 Richard Biener <rguent...@suse.de> Backport from mainline 2014-02-21 Richard Biener <rguent...@suse.de> PR tree-optimization/60276 * tree-vectorizer.h (struct _stmt_vec_info): Add min_neg_dist field. (STMT_VINFO_MIN_NEG_DIST): New macro. * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Record STMT_VINFO_MIN_NEG_DIST. * tree-vect-stmts.c (vectorizable_load): Verify if assumptions made for negative dependence distances still hold. * gcc.dg/vect/pr60276.c: New testcase. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr60276.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/testsuite/ChangeLog branches/gcc-4_8-branch/gcc/tree-vect-data-refs.c branches/gcc-4_8-branch/gcc/tree-vect-stmts.c branches/gcc-4_8-branch/gcc/tree-vectorizer.h
