This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Help with bit-field semantics in C and C++

From: Andreas Schwab <schwab at suse dot de>
To: Michael Matz <matz at suse dot de>
Cc: Gabriel Dos Reis <gdr at integrable-solutions dot net>,Mike Stump <mrs at apple dot com>, 'Roger Sayle' <roger at eyesopen dot com>,'David Carlton' <david dot carlton at sun dot com>,'Mark Mitchell' <mark at codesourcery dot com>, gcc at gcc dot gnu dot org,Dave Korn <dk at artimi dot com>, 'Joe Buck' <Joe dot Buck at synopsys dot COM>
Date: Sat, 28 Aug 2004 19:19:03 +0200
Subject: Re: Help with bit-field semantics in C and C++
References: <NUTMEGjQaNT9ldvyr1U00000f4d@NUTMEG.CAM.ARTIMI.COM><A3CEAA2E-F6F5-11D8-8103-000393941EE6@apple.com><m3wtzlnzfh.fsf@uniton.integrable-solutions.net><D53889DA-F7D3-11D8-8103-000393941EE6@apple.com><m3acwhnuuw.fsf@uniton.integrable-solutions.net><Pine.LNX.4.58.0408281542080.7004@wotan.suse.de><jewtzj9ss3.fsf@sykes.suse.de><Pine.LNX.4.58.0408281741270.7004@wotan.suse.de>

Michael Matz <matz@suse.de> writes:

>> I don't think so.  The explicit cast also suggests that the conversion
>> may not be a nop.
>
> IMHO it suggests type safety.  I'm against the notion that any syntactic
> structure already implicitely suggests a certain behaviour, in this case
> non-nopiness ;)

I would agree if the cast were optional, but since it is required it has a
stronger role, IMHO.

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."

References:
- RE: Help with bit-field semantics in C and C++
  - From: Dave Korn
- Re: Help with bit-field semantics in C and C++
  - From: Mike Stump
- Re: Help with bit-field semantics in C and C++
  - From: Gabriel Dos Reis
- Re: Help with bit-field semantics in C and C++
  - From: Mike Stump
- Re: Help with bit-field semantics in C and C++
  - From: Gabriel Dos Reis
- Re: Help with bit-field semantics in C and C++
  - From: Michael Matz
- Re: Help with bit-field semantics in C and C++
  - From: Andreas Schwab
- Re: Help with bit-field semantics in C and C++
  - From: Michael Matz

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]