Call for compiler help/advice: atomic builtins for v3

[Paolo Carlini]

Richard Guenther wrote:

>That works, if only code playing well (or failing with SIGILL) with
>either locking scheme is ever inlined.  I.e. for x86 you cannot inline
>the i386 variant.
>
Indeed, we are in perfect agreement now. The point is exactly that: the
i386 version cannot be inlined, can only be out of line inside libgcc,
in this theoretical scheme.

Really, I think it can pretty much robust.

>  If such
>simple rule is possible on other architectures affected is beyond my knowledge.
>And of course currently libgcc is not clever enough in the sense of Uli.
>
Eh ;)

Paolo.