From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: "Jan Djärv" <jan.h.d@swipnet.se>, emacs-devel@gnu.org
Subject: Re: Type-error in C code
Date: Mon, 15 Nov 2010 11:08:58 -0500 [thread overview]
Message-ID: <jwvsjz2in8h.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <871v6p9eol.fsf@keller.adm.naquadah.org> (Julien Danjou's message of "Sat, 13 Nov 2010 21:00:42 +0100")
>> I think we should remove the union Lisp_Object, and instead define a
>> struct Lisp_Object { EMACS_INT i; } (reusing the macros of the non-union
>> type), and make that the default Lisp_Object at least during
>> development.
> I can't think of a good reason not to do that. Is there one?
Data of type "struct ..." is often treated differently by compilers than
data of type int/long/... so the resulting code is likely to be
less efficient.
Stefan
prev parent reply other threads:[~2010-11-15 16:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 14:02 Type-error in C code Stefan Monnier
2010-11-12 14:21 ` Julien Danjou
2010-11-12 15:12 ` Jan Djärv
2010-11-12 15:22 ` Julien Danjou
2010-11-12 15:28 ` Julien Danjou
2010-11-12 15:32 ` Julien Danjou
2010-11-12 15:48 ` Eli Zaretskii
2010-11-12 15:58 ` Julien Danjou
2010-11-12 16:06 ` John Yates
2010-11-12 16:20 ` Eli Zaretskii
2010-11-12 16:47 ` Andreas Schwab
2010-11-12 19:44 ` Miles Bader
2010-11-12 15:48 ` Eli Zaretskii
2010-11-12 17:13 ` Jan D.
2010-11-12 21:15 ` Thien-Thi Nguyen
2010-11-13 19:19 ` Jan Djärv
2010-11-13 19:52 ` Thien-Thi Nguyen
2010-11-13 22:23 ` Jan Djärv
2010-11-13 20:38 ` Johan Bockgård
2010-11-14 10:21 ` Jan Djärv
2010-11-12 18:45 ` Andreas Schwab
2010-11-12 21:00 ` Stefan Monnier
2010-11-15 21:11 ` Julien Danjou
2010-11-15 21:19 ` Andreas Schwab
2010-11-16 5:43 ` Stefan Monnier
2010-11-16 7:56 ` Julien Danjou
2010-11-16 9:05 ` Stephen J. Turnbull
2010-11-16 9:28 ` Julien Danjou
2010-11-16 12:11 ` Stephen J. Turnbull
2010-11-16 15:14 ` Stefan Monnier
2010-11-16 15:38 ` Julien Danjou
2010-11-16 17:05 ` Stefan Monnier
2010-11-16 9:36 ` Andreas Schwab
2010-11-13 20:00 ` Julien Danjou
2010-11-15 16:08 ` Stefan Monnier [this message]
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