From: Eli Zaretskii <eliz@gnu.org>
To: Jason Rumney <jasonr@gnu.org>
Cc: sridhar_ml@yahoo.com, emacs-devel@gnu.org
Subject: Re: 23.0.50 compile problem on Windows XP
Date: Fri, 05 Oct 2007 10:30:47 +0200 [thread overview]
Message-ID: <ulkai7yko.fsf@gnu.org> (raw)
In-Reply-To: <4705F197.7020909@gnu.org> (message from Jason Rumney on Fri, 05 Oct 2007 09:11:03 +0100)
> Date: Fri, 05 Oct 2007 09:11:03 +0100
> From: Jason Rumney <jasonr@gnu.org>
> Cc: sridhar_ml@yahoo.com, emacs-devel@gnu.org
>
> In the general case, the abs macro is dangerous, as it evaluates its
> argument twice. Is it really an important optimization to use a
> macro for this?
I don't know if it's an important optimization; probably not, although
it seems to be used in the display code, where speed is important. We
could replace it by an inline function, though.
next prev parent reply other threads:[~2007-10-05 8:30 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-02 22:42 23.0.50 compile problem on Windows XP Sridhar Boovaraghavan
2007-10-03 8:00 ` Eli Zaretskii
2007-10-03 8:16 ` dhruva
2007-10-03 8:23 ` Jason Rumney
2007-10-03 10:01 ` dhruva
2007-10-03 12:10 ` Jason Rumney
2007-10-03 12:20 ` Jason Rumney
2007-10-03 12:59 ` dhruva
2007-10-04 18:03 ` Sridhar Boovaraghavan
2007-10-04 22:11 ` Jason Rumney
2007-10-05 0:46 ` David Robinow
2007-10-05 8:02 ` Eli Zaretskii
2007-10-05 1:17 ` Sridhar Boovaraghavan
2007-10-05 8:06 ` Eli Zaretskii
2007-10-05 8:00 ` Eli Zaretskii
2007-10-05 8:11 ` Jason Rumney
2007-10-05 8:30 ` Eli Zaretskii [this message]
2007-10-06 13:14 ` Richard Stallman
2007-10-13 12:49 ` Eli Zaretskii
2007-10-05 9:31 ` Eli Zaretskii
2007-10-05 10:00 ` dhruva
2007-10-05 10:16 ` Eli Zaretskii
2007-10-05 7:56 ` Eli Zaretskii
2007-10-05 8:08 ` Jason Rumney
2007-10-05 8:19 ` Eli Zaretskii
2007-10-05 8:21 ` dhruva
2007-10-05 8:31 ` Eli Zaretskii
2007-10-05 8:53 ` dhruva
2007-10-03 12:19 ` Eli Zaretskii
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