On Wed, Jun 19, 2013 at 11:01:59AM +0400, Igor Zamyatin wrote: > The change also affects vectorizer in avx case which could be seen for > gcc.dg/tree-ssa/loop-19.c test. > > After the change report says > > loop-19_bad.c:16: note: === vect_analyze_data_refs_alignment === > loop-19_bad.c:16: note: vect_compute_data_ref_alignment: > loop-19_bad.c:16: note: can't force alignment of ref: a[j_9] > loop-19_bad.c:16: note: vect_compute_data_ref_alignment: > loop-19_bad.c:16: note: can't force alignment of ref: c[j_9] > > AFAICS first condition in ix86_data_alignment was true before the > change so 256 was a return value. > > Do we need to tweak this test also?
I'd add -fno-common to the test. Jakub