On 11/30/20 9:26 AM, Jakub Jelinek wrote:
> 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.
>>
>> So if we can clean things up and keep the redundant builtins that seems
>> best. Or just leave things as-is.
>>
>> 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.
In that case, I don't mind removing those builtins.
jeff
