Hello all,
There is a long-standing, but undocumented GCC inline assembly feature
that's part of the extended asm GCC extension to C and C++: extended
asm empty input constraints.
As far as I understand the semantics, this is a feature that
effectively creates a "fake" load and a "fake" ordering
On Mon, 15 Feb 2021 at 08:11, Jonathan Wakely wrote:
>
>
>
> On Mon, 15 Feb 2021, 00:48 Neven Sajko via Gcc, wrote:
>>
>>
>> This is why I am asking for this feature to be documented. It seems
>> like this would be the most appropriate place:
>> h