From: Dan Nicolaescu <dann@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Juanma Barranquero <lekktu@gmail.com>,
raeburn@raeburn.org, emacs-devel@gnu.org
Subject: Re: stop using P_, __P in header files
Date: Fri, 09 Jul 2010 18:19:20 -0400 [thread overview]
Message-ID: <yxqvd8oqown.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <83k4p996o0.fsf@gnu.org> (Eli Zaretskii's message of "Mon\, 05 Jul 2010 20\:31\:43 +0300")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Juanma Barranquero <lekktu@gmail.com>
>> Date: Mon, 5 Jul 2010 05:38:05 +0200
>> Cc: dann@gnu.org, Ken Raeburn <raeburn@raeburn.org>, emacs-devel@gnu.org
>>
>> On Mon, Jul 5, 2010 at 05:05, Eli Zaretskii <eliz@gnu.org> wrote:
>>
>> > Emacs is compiled not only by GCC.
>>
>> True, but "register" never was more than a hint to the compiler.
>
> I'm not an expert, so I don't know. Maybe someone else could chime
> in. One issue that I'd be interested in is to know whether GCC uses
> this hint at some low optimization level, because I frequently need to
> use -O1 or -O0 to get a binary I can debug without getting older by
> the hour.
At -O0 you have bigger code quality problems (especially with gcc)
than "register".
A reference to comp.lang.C FAQ:
http://c-faq.com/~scs/cclass/krnotes/sx7f.html
And that's from the mid 90's.
AFAIK the register allocator in gcc does not try to look at "register".
next prev parent reply other threads:[~2010-07-09 22:19 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
2010-07-06 3:00 ` Eli Zaretskii
2010-07-06 3:23 ` Dan Nicolaescu
2010-07-09 22:19 ` Dan Nicolaescu [this message]
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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