From: Krzysztof Halasa <khc@pm.waw.pl>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Linus Torvalds <torvalds@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: GCC 3.4 Heads-up
Date: Sat, 03 Jan 2004 22:11:36 +0100 [thread overview]
Message-ID: <m365fsu48n.fsf@defiant.pm.waw.pl> (raw)
In-Reply-To: <3FF5E952.70308@tmr.com> (Bill Davidsen's message of "Fri, 02 Jan 2004 16:57:38 -0500")
Bill Davidsen <davidsen@tmr.com> writes:
> I would probably write
> ( a ? b : c ) = d;
> instead, having learned C when some compilers parsed ? wrong without
> parens. Actually I can't imagine writing that at all, but at least
> with parens humans can read it easily. Ugly code.
>
> Your suggestion is not portable, if b or c are declared "register"
> there are compilers which will not allow taking the address, and gcc
> will give you a warning.
One can write as well:
if (a)
b = d;
else
c = d;
Might be more readable and it is what the compiler does.
--
Krzysztof Halasa, B*FH
next prev parent reply other threads:[~2004-01-03 22:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-26 1:46 Chris Meadors
2003-12-26 3:46 ` H. Peter Anvin
2003-12-26 4:34 ` Linus Torvalds
2003-12-26 6:04 ` H. Peter Anvin
2003-12-26 6:58 ` Andy Isaacson
2003-12-26 7:07 ` H. Peter Anvin
2003-12-26 7:08 ` Linus Torvalds
2003-12-29 16:13 ` David Lloyd
2004-01-02 21:57 ` Bill Davidsen
2004-01-03 21:11 ` Krzysztof Halasa [this message]
2004-01-04 5:48 ` Bill Davidsen
2004-01-04 20:41 ` Linus Torvalds
2004-01-05 1:28 ` Bill Davidsen
2004-01-05 1:38 ` Måns Rullgård
2004-01-05 23:49 ` Ingo Oeser
2004-01-05 2:25 ` Linus Torvalds
2004-01-05 4:15 ` Bill Davidsen
2004-01-05 4:36 ` Linus Torvalds
2003-12-30 1:37 ` Rusty Russell
2003-12-26 11:02 linux
2003-12-26 20:05 ` Linus Torvalds
2003-12-27 16:39 ` Andreas Schwab
[not found] <16PqK-8eK-1@gated-at.bofh.it>
[not found] ` <16RiU-2kO-1@gated-at.bofh.it>
[not found] ` <16S5h-3no-5@gated-at.bofh.it>
2004-01-06 21:06 ` David Mosberger-Tang
2004-01-06 22:33 ` Richard Henderson
2004-01-06 23:23 ` Linus Torvalds
2004-01-07 9:54 ` Richard Henderson
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