Messages in this thread | | | Date | Tue, 18 Nov 2008 12:16:33 +0100 | From | Alexander van Heukelum <> | Subject | Re: [RFC,v2] x86_64: save_args out of line |
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On Tue, Nov 18, 2008 at 08:09:28AM +0000, Jan Beulich wrote: > >>> Alexander van Heukelum <heukelum@mailshack.com> 17.11.08 18:52 >>> > >The macro "interrupt" in entry_64.S generates a lot of code and it > >is used more and more often. This patch moves most of its contents > >into an external function. This saves anywhere between 500 and 2500 > >bytes of text depending on the configuration. > > Without numbers, I'd doubt that the code size reduction outweighs the > overhead of the extra call. Did you do any measurements?
I have not measured yet. I'll see if I can highjack a machine. What kind of benchmark would you suggest?
> >Dwarf2-annotations are most probably wrong or missing at all. > > Indeed - do you have intentions to address this?
Yes, I'ld like to get it right. What do you use to check the annotations?
Greetings, Alexander
> Jan >
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