http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55742
--- Comment #26 from richard.guenther at gmail dot com <richard.guenther at gmail dot com> 2013-01-16 16:05:01 UTC --- On Wed, Jan 16, 2013 at 5:02 PM, jakub at gcc dot gnu.org <gcc-bugzi...@gcc.gnu.org> wrote: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55742 > > --- Comment #25 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-16 > 16:02:35 UTC --- > The actual merging of target attribute isn't that important, what would be > more > important is that other attributes are merged together in that case and the > decls treated as the same thing. > > Anyway, with target("any") attribute, what would happen for > void foo () __attribute__((target ("avx"))); > void foo () __attribute__((target ("any"))); IMHO the re-declaration with a different target attribute should be an error. A proper "forward" declaration for a function with MV applied shouldn't have any target attribute.
