From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: rms@gnu.org, emacs-devel@gnu.org
Subject: Re: Preventing warnings in FIXNUM_OVERFLOW_P
Date: Fri, 19 Jan 2007 14:19:50 -0500 [thread overview]
Message-ID: <jwvirf2kepc.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <u1wlrw80n.fsf@gnu.org> (Eli Zaretskii's message of "Fri\, 19 Jan 2007 13\:50\:00 +0200")
> By contrast, my workaround doesn't obfuscate the code, and the
> extra assignment should be optimized out of existence under -O2.
Indeed. That's why it's the least bad. It makes the code slightly
heavier, but at least it's crystal clear that it doesn't change
the semantics.
> I say let's leave my workaround alone until the GCC developers move
> this warning into -Wextra. When that version of GCC becomes
> widespread, we can remove the workaround.
Agreed,
Stefan
next prev parent reply other threads:[~2007-01-19 19:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-18 17:27 Preventing warnings in FIXNUM_OVERFLOW_P Richard Stallman
2007-01-18 18:34 ` David Kastrup
2007-01-18 19:39 ` Stefan Monnier
2007-01-19 10:42 ` Richard Stallman
2007-01-19 11:50 ` Eli Zaretskii
2007-01-19 19:19 ` Stefan Monnier [this message]
2007-01-20 2:10 ` Richard Stallman
2007-01-20 13:45 ` Eli Zaretskii
2007-01-21 6:49 ` Richard Stallman
2007-01-19 10:42 ` Richard Stallman
2007-01-18 21:49 ` Eli Zaretskii
2007-01-19 10:43 ` Richard Stallman
2007-01-19 10:57 ` Eli Zaretskii
2007-01-20 2:10 ` Richard Stallman
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