From: Juanma Barranquero <lekktu@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: raeburn@raeburn.org, emacs-devel@gnu.org
Subject: Re: stop using P_, __P in header files
Date: Tue, 6 Jul 2010 01:48:15 +0200 [thread overview]
Message-ID: <AANLkTik7bTFC7nseAl5p_RJenDErMty5yoYL1I2pK57Q@mail.gmail.com> (raw)
In-Reply-To: <83k4p996o0.fsf@gnu.org>
On Mon, Jul 5, 2010 at 19:31, Eli Zaretskii <eliz@gnu.org> wrote:
> FWIW, the ones I put in some code I wrote long ago were not naive at
> all. And I don't think those we have in Emacs are naive, either.
No offense intended, so please excuse my choice of words.
My point was that, when the code was written, the register
declarations perhaps helped the optimizer (depending of compiler,
processor architecture, number of available registers, etc.). Today,
it's quite likely they don't. ISTR reading about programs that got a
noticeable speedup when "register" was removed altogether from the
code... Of course I don't think that'll be the case with Emacs, but
I'd bet all of a full euro that there won't be any noticeable
slowdown, either.
Juanma
next prev parent reply other threads:[~2010-07-05 23:48 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 21:16 stop using P_, __P in header files Dan Nicolaescu
2010-07-02 8:50 ` Juanma Barranquero
2010-07-02 9:31 ` Jan Djärv
2010-07-02 9:37 ` Juanma Barranquero
2010-07-02 13:09 ` Jan Djärv
2010-07-02 14:19 ` Juanma Barranquero
2010-07-02 15:55 ` Jan Djärv
2010-07-02 17:31 ` Juanma Barranquero
2010-07-02 20:41 ` Eli Zaretskii
2010-07-02 20:57 ` Andreas Schwab
2010-07-03 7:07 ` Eli Zaretskii
2010-07-02 18:26 ` Dan Nicolaescu
2010-07-02 10:58 ` Eli Zaretskii
2010-07-02 18:28 ` Dan Nicolaescu
2010-07-03 0:58 ` Dan Nicolaescu
[not found] ` <yxq7hlblldz.fsf@fencepost.gnu.org>
2010-07-04 15:35 ` Juanma Barranquero
2010-07-04 15:55 ` Dan Nicolaescu
2010-07-04 16:26 ` Juanma Barranquero
2010-07-04 16:42 ` Dan Nicolaescu
2010-07-04 20:42 ` Juanma Barranquero
2010-07-04 20:20 ` Chong Yidong
2010-07-04 16:46 ` Dan Nicolaescu
2010-07-04 19:12 ` Dan Nicolaescu
2010-07-04 19:16 ` Dan Nicolaescu
2010-07-04 23:58 ` Juanma Barranquero
2010-07-05 0:05 ` Juanma Barranquero
2010-07-05 0:28 ` Juanma Barranquero
2010-07-05 1:25 ` Juanma Barranquero
2010-07-05 4:57 ` Dan Nicolaescu
2010-07-05 17:19 ` Andreas Schwab
2010-07-04 21:24 ` Ken Raeburn
2010-07-05 0:29 ` Juanma Barranquero
2010-07-05 3:05 ` Eli Zaretskii
2010-07-05 3:38 ` Juanma Barranquero
2010-07-05 17:31 ` Eli Zaretskii
2010-07-05 18:59 ` Ken Raeburn
2010-07-05 23:48 ` Juanma Barranquero [this message]
2010-07-06 3:00 ` Eli Zaretskii
2010-07-06 3:23 ` Dan Nicolaescu
2010-07-09 22:19 ` Dan Nicolaescu
2010-07-10 8:45 ` David Kastrup
2010-07-10 23:51 ` Juanma Barranquero
2010-07-05 3:42 ` Ken Raeburn
2010-07-06 4:32 ` Stephen J. Turnbull
2010-07-06 6:37 ` Ken Raeburn
2010-07-06 7:50 ` Stephen J. Turnbull
2010-07-05 5:51 ` Dan Nicolaescu
2010-07-05 6:14 ` Ken Raeburn
2010-07-06 2:50 ` Dan Nicolaescu
2010-07-02 8:56 ` Andreas Schwab
2010-07-02 18:30 ` Dan Nicolaescu
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