From: Robert Dewar <dewar@gnat.com>
To: "Joseph S. Myers" <jsm@polyomino.org.uk>
Cc: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>, gcc@gcc.gnu.org
Subject: Re: SRA problem with uninitialzed fields
Date: Sat, 25 Sep 2004 02:38:00 -0000 [thread overview]
Message-ID: <41549A41.2010906@gnat.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0409241653470.24771@digraph.polyomino.org.uk>
Joseph S. Myers wrote:
> On Fri, 24 Sep 2004, Richard Kenner wrote:
> C++ generates the following for this testcase, which includes the mask.
> In accordance with the differences between how the C and C++ standards
> define bit-fields, it doesn't use the reduced-width types.
I am completely puzzled as to what reduced-width types have to do
with this example at the C++ semantic level, or are you just making
a comment about the internal implementation and why it happens to
work for C++ and not for C (as far as I can see these programs have
identical semantics in C and C++)
next prev parent reply other threads:[~2004-09-24 22:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-24 18:53 Richard Kenner
2004-09-24 19:02 ` Joseph S. Myers
2004-09-25 2:38 ` Robert Dewar [this message]
2004-09-25 2:59 ` Joseph S. Myers
-- strict thread matches above, loose matches on Subject: below --
2004-09-24 18:43 Richard Kenner
2004-09-24 18:50 ` Joseph S. Myers
2004-09-24 16:55 Richard Kenner
2004-09-24 18:23 ` Joseph S. Myers
2004-09-24 16:01 Richard Kenner
2004-09-24 16:16 ` Andrew Pinski
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