http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48377
--- Comment #21 from Ira Rosen <irar at il dot ibm.com> 2011-04-07 11:37:29 UTC --- (In reply to comment #20) > I saw them, but I can't see what the difference is between > "aligned" and "aligned" ;) Either the targets have aligned loads > or they don't. We can target independently check whether we > can for example reach 16-byte alignment - in which cases is it then > we can't "reach" that alignment anyway due to target issues? What kind of target independent check do you have in mind? I guess this hook was added because such check is hard to implement. Here is the discussion about adding it http://gcc.gnu.org/ml/gcc-patches/2007-07/msg00082.html.
