From: Andreas Schwab <schwab@suse.de>
To: Christian Groessler <cpg@aladdin.de>
Cc: Ian Lance Taylor <ian@wasabisystems.com>, GCC List <gcc@gcc.gnu.org>
Subject: Re: signed/unsigned right shift
Date: Mon, 15 Mar 2004 22:18:00 -0000 [thread overview]
Message-ID: <je65d5g3f0.fsf@sykes.suse.de> (raw)
In-Reply-To: <jead2hg3l7.fsf@sykes.suse.de> (Andreas Schwab's message of "Mon, 15 Mar 2004 23:14:44 +0100")
Andreas Schwab <schwab@suse.de> writes:
> Christian Groessler <cpg@aladdin.de> writes:
>
>> But sentence 3 says "The integer promotions preserve value including
>> sign."
>>
>> So shouldn't the conversion be "unsigned short" to "unsigned int"?
>
> No, it just says that the _value_ is preserved. It doesn't say anything
> about the type. That's one of the key difference between K&R C and ISO
> C: type preservation vs. value preservation.
s/type preservation/unsigned preservation/
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2004-03-15 22:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-15 22:02 Christian Groessler
2004-03-15 22:14 ` Andreas Schwab
2004-03-15 22:18 ` Andreas Schwab [this message]
2004-03-15 22:17 ` Ian Lance Taylor
-- strict thread matches above, loose matches on Subject: below --
2004-03-15 22:24 Christian Groessler
2004-03-14 18:09 Christian Groessler
2004-03-14 18:23 ` Ian Lance Taylor
2004-03-12 21:25 Christian Groessler
2004-03-12 22:24 ` Andreas Schwab
2004-03-12 22:37 ` Dale Johannesen
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
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=je65d5g3f0.fsf@sykes.suse.de \
--to=schwab@suse.de \
--cc=cpg@aladdin.de \
--cc=gcc@gcc.gnu.org \
--cc=ian@wasabisystems.com \
/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.
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).