[llvm-commits] PATCH: llvm-gcc option to emit "va_arg" instruction

[Duncan Sands]

Hi Rafael,

>> If I may revive this thread from the graveyard...
>> Could somebody take another look at this patch (attached) and let me know
>> whether it is acceptable? (or if not, what I can do to improve it?)
>
> This is not being used by any target. I assume that it is intentional
> while the completeness and efficiency of va_arg is worked out? Maybe
> we should get one target to use it first?
>
> I think it is OK, but lets see what Duncan has to say. He had concerns
> about the two step lowering...

I was intending to test if having va_arg continue to the end works ok,
but forgot about it.  I will try to do this tomorrow.

Ciao,

Duncan.