[Patch, Ada, Darwin] Restore PowerPC Darwin Ada bootstrap (after a looong time, it seems).

[Mike Stump]

On Sep 6, 2011, at 1:12 AM, Eric Botcazou wrote:
>> That's a good question, and one that I haven't got to the bottom of -
>> but the exclusion was there in the original code-base [still in the
>> vendor's tree too].
>> (also, the rs6000 pro/epilogue code is not the easiest to navigate).
> 
> Assuming that this is because the non-local goto handler needs to find a 
> register saved at a canonical place, you can try !cfun->has_nonlocal_label.

> This will subsume the original check !(cfun->calls_setjmp && flag_exceptions)
> as both the regular SJLJ scheme and the GNAT SJLJ scheme use it.

I can't confirm the assumption, but, if it holds, sounds nicer to me, thanks.