David Miller wrote:
>
> Another issue is that if you have a conditional trap instruction on
> your cpu, and you try the __label__ trick, GCC no longer converts:
>
> BUG_ON(test)
>
> into just a:
>
> set condition codes;
> conditional_trap;
>
> sequence because the "stuff" inside the basic block is something
> more than just the __builtin_trap().
>
> The holy grail would be being able to get the perfect conditional
> trap sequence, plus the annotations in a seperate section.
I think that would require a custom gcc builtin, which we might be able
to ask the gcc folks for...
-hpa
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