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From: Jason Rumney <jasonr@gnu.org>
To: dmantipov@yandex.ru
Cc: raeburn@gnu.org, emacs-devel@gnu.org
Subject: Re: Redundant type checking in window.c and w32menu.c
Date: Wed, 20 Jun 2007 21:46:31 +0100	[thread overview]
Message-ID: <46799227.3070905@gnu.org> (raw)
In-Reply-To: <46796A22.000002.16656@pantene.yandex.ru>

dmantipov wrote:
> Jason Rumney wrote
>> Dmitry Antipov wrote:
>>
>>     
>>> +#define Fcar(c) _FCAR (c)
>>> +#define Fcar_safe(c) _FCAR_SAFE (c)
>>> +#define Fcdr(c) _FCDR (c)
>>> +#define Fcdr_safe(c) _FCDR_SAFE (c)
>>>       
>> How does lisp code then call these C macros?
>>     
>
> It will call original functions which are preserved in data.c. Lisp code calls them via pointers, so we definitely need to preserve an addressable versions.
>   


Is this optimisation really worth the confusion of having two versions
of these functions in the code?

  reply	other threads:[~2007-06-20 20:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-19 14:44 Redundant type checking in window.c and w32menu.c Dmitry Antipov
2007-06-19 14:55 ` Stefan Monnier
2007-06-19 18:46 ` Ken Raeburn
2007-06-20 14:12   ` Dmitry Antipov
2007-06-20 15:20     ` Jason Rumney
2007-06-20 17:55       ` dmantipov
2007-06-20 20:46         ` Jason Rumney [this message]
2007-06-21 15:46           ` Dmitry Antipov
2007-06-21 17:38           ` Ken Raeburn
2007-06-20 20:12     ` Tom Tromey

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