From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andreas Schwab <schwab@suse.de>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Linus Torvalds <torvalds@transmeta.com>,
Linux Kernel List <linux-kernel@vger.kernel.org>,
bjorn_helgaas@hp.com
Subject: Re: [PATCH] Fix CPU bitmask truncation
Date: 20 Dec 2002 10:23:17 -0800 [thread overview]
Message-ID: <1040408597.1867.24.camel@ixodes.goop.org> (raw)
In-Reply-To: <je7ke4yje3.fsf@sykes.suse.de>
On Fri, 2002-12-20 at 04:17, Andreas Schwab wrote:
> This is useless. Assigning -1 to any unsigned type is garanteed to give
> you all bits one, and with two's complement this also holds for any signed
> type.
Only if the -1 is the same size as the unsigned type. Otherwise it will
be 0-extended.
J
next prev parent reply other threads:[~2002-12-20 18:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-16 19:13 Bjorn Helgaas
2002-12-20 10:30 ` William Lee Irwin III
2002-12-20 11:15 ` William Lee Irwin III
2002-12-20 17:00 ` Bjorn Helgaas
2002-12-25 21:43 ` Alan Cox
2002-12-25 21:54 ` Linus Torvalds
2002-12-20 12:17 ` Andreas Schwab
2002-12-20 17:12 ` William Lee Irwin III
2002-12-20 18:23 ` Jeremy Fitzhardinge [this message]
2002-12-20 20:00 ` Andreas Schwab
2002-12-20 22:57 ` Anton Blanchard
2002-12-20 23:36 ` William Lee Irwin III
2002-12-20 23:42 ` Anton Blanchard
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