On Mon, Nov 30, 2020 at 09:23:15AM -0700, Jeff Law wrote:
>
>
> On 11/12/20 11:21 PM, Hongyu Wang wrote:
> > Hi
> >
> > Thanks for reminding me about this patch. I didn't remove any existing
> > intrinsics, just remove redundant builtin functions that end-users
> > would not likely to use.
> >
> > Also I'm OK to keep current implementation, in case there might be
> > someone using the builtin directly.
> That seems wise -- we can't reasonably predict if users are using those
> builtins directly.Â
>
> So if we can clean things up and keep the redundant builtins that seems
> best. Or just leave things as-is.Â
>
> The other possibility would be to deprecate the redundant builtins this
> release and remove them in gcc-12. I haven't looked at how difficult
> that might be, but the idea here would be to give users a warning if
> they use those builtins directly and enough time to resolve the issue
> before we remove them.
In the past we've removed the builtins without any warning, we state all the
time that the builtins used to implement the intrinsics themselves aren't
supported, only the intrinsics declared in the headers.
Jakub
