unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: emacs-devel@gnu.org
Subject: Re: Redundant type checking in window.c and w32menu.c
Date: Tue, 19 Jun 2007 10:55:52 -0400	[thread overview]
Message-ID: <jwvhcp42dx5.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <4677EBCA.7020405@yandex.ru> (Dmitry Antipov's message of "Tue\, 19 Jun 2007 18\:44\:26 +0400")

> P.S. Is code size the only reason to call Fcar(), Fcdr() and their safe
> versions directly from C code ? Replacing these dumb proxies with an
> appropriate macros eliminates a lot of function calls at the cost of ~28K
> increment in code size (for a stripped binary on x86).

No idea.

> Note if someone needs smaller emacs executable (what a strange
> requirement, but why not ?), just replacing -O2 with -Os saves ~235K.

Interestingly enough, at some point (i.e. some combination of x86 processors
and gcc versions) the -Os was the best speedwise as well (at least, it was
used for many SPEC submissions).


        Stefan

  reply	other threads:[~2007-06-19 14:55 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 [this message]
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
2007-06-21 15:46           ` Dmitry Antipov
2007-06-21 17:38           ` Ken Raeburn
2007-06-20 20:12     ` Tom Tromey

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jwvhcp42dx5.fsf-monnier+emacs@gnu.org \
    --to=monnier@iro.umontreal.ca \
    --cc=dmantipov@yandex.ru \
    --cc=emacs-devel@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).