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From: Keith Thompson <kst-u@mib.org>
Subject: Re: Ada equivalent for C-pointer?
Date: Sun, 16 Jan 2005 01:43:24 GMT
Date: 2005-01-16T01:43:24+00:00	[thread overview]
Message-ID: <ln3bx2cfnn.fsf@nuthaus.mib.org> (raw)
In-Reply-To: RtudnTezNrx--3TcRVn-1g@comcast.com

tmoran@acm.org writes:
>>However, in 32-bit segmented mode, a far pointer comprises a 32-bit offset
>>plus a 16-bit segment selector. These are stored in memory in a format which
>>is 64 bits in size (16 bits are wasted).
>    Which compilers waste memory like that?

I don't know, but presumably it's worth wasting 16 bits per far
pointer to be able to align on a 32-bit boundary.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
San Diego Supercomputer Center             <*>  <http://users.sdsc.edu/~kst>
We must do something.  This is something.  Therefore, we must do this.



  reply	other threads:[~2005-01-16  1:43 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-14 16:41 Ada equivalent for C-pointer? Alfred Hilscher
2005-01-14 17:00 ` Duncan Sands
2005-01-14 20:05   ` tmoran
2005-01-15  5:00     ` Brian May
2005-01-14 22:33 ` Keith Thompson
2005-01-14 23:03   ` Stephen Leake
2005-01-15 15:51     ` Nick Roberts
2005-01-15 18:54       ` tmoran
2005-01-16  1:43         ` Keith Thompson [this message]
2005-01-17 21:35       ` Randy Brukardt
2005-01-15  9:09 ` Martin Krischik
2005-01-15 16:03 ` Nick Roberts
2005-01-15 16:27   ` Pascal Obry
2005-01-15 16:50     ` Nick Roberts
2005-01-15 17:11       ` Simon Wright
2005-01-15 18:46         ` Nick Roberts
2005-01-15 17:49       ` Pascal Obry
2005-01-16  8:44       ` Martin Krischik
2005-01-16  9:58         ` Pascal Obry
2005-01-16 11:07           ` Martin Krischik
2005-01-16  8:36     ` Martin Krischik
2005-01-16 15:01       ` Niklas Holsti
2005-01-16 16:02         ` Martin Krischik
2005-01-17 15:33           ` Niklas Holsti
2005-01-16 20:39         ` Nick Roberts
2005-01-17 21:38     ` Randy Brukardt
2005-01-17 21:45       ` Pascal Obry
2005-01-17 13:11 ` Alfred Hilscher
2005-01-18  7:31   ` Keith Thompson
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