This is the mail archive of the binutils@sourceware.org mailing list for the binutils 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: patches for Irix binutils 2.18 -- removal of some casts

From: Andreas Schwab <schwab at suse dot de>
To: Michael Hennebry <hennebry at www dot cs dot ndsu dot nodak dot edu>
Cc: Alan Modra <amodra at bigpond dot net dot au>, Jay <jay dot krell at cornell dot edu>, binutils at sourceware dot org
Date: Thu, 23 Oct 2008 18:56:32 +0200
Subject: Re: patches for Irix binutils 2.18 -- removal of some casts
References: <1224626969.18657.ezmlm@sourceware.org> <COL101-W15DC63349702412C774E3E62E0@phx.gbl> <20081021233108.GO9946@bubble.grove.modra.org> <alpine.DEB.1.00.0810221103560.22268@web.cs.ndsu.nodak.edu> <20081023002914.GR9946@bubble.grove.modra.org> <alpine.DEB.1.00.0810231124160.24121@web.cs.ndsu.nodak.edu>

Michael Hennebry <hennebry@www.cs.ndsu.nodak.edu> writes:

> It hadn't occurred to me that the compiler would use
> the undefinedness of a cast as an excuse to reorder code.

It's not the cast itself that makes it undefined, but the use of the
alias created by the dereference.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

References:
- RE: patches for Irix binutils 2.18 -- removal of some casts
  - From: Jay
- Re: patches for Irix binutils 2.18 -- removal of some casts
  - From: Alan Modra
- Re: patches for Irix binutils 2.18 -- removal of some casts
  - From: Alan Modra
- Re: patches for Irix binutils 2.18 -- removal of some casts
  - From: Michael Hennebry

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