From: kenner@lab.ultra.nyu.edu (Richard Kenner)
Subject: Re: Ada 83 - avoiding unchecked conversions.
Date: 1996/12/12
Date: 1996-12-12T00:00:00+00:00 [thread overview]
Message-ID: <58np72$9qp@news.nyu.edu> (raw)
In-Reply-To: 32b03008.564464@netnews.worldnet.att.net
In article <32b03008.564464@netnews.worldnet.att.net> dewi@cableol.co.uk (Dewi Daniels) writes:
>Ada 83 prohibits the use of address clauses to alias two variables
>(LRM 13.5). I believe it's legal in Ada 95. My preference would be to
>use an unchecked conversion.
An unchecked conversion is much more efficient. Using an address
clause not only forces the object into memory, but disables many
optimizations on it (essentially treats it as volatile).
next prev parent reply other threads:[~1996-12-12 0:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <md5:8B831999BCF200C6E70994BDF6CC529F>
1996-12-11 0:00 ` Ada 83 - avoiding unchecked conversions Chris Sparks (Mr. Ada)
1996-12-11 0:00 ` Matthew Heaney
1996-12-12 0:00 ` Chris Brand
1996-12-13 0:00 ` Stephen Leake
1996-12-14 0:00 ` Robert A Duff
1996-12-14 0:00 ` BGaffney42
1996-12-11 0:00 ` Dewi Daniels
1996-12-12 0:00 ` Richard Kenner [this message]
1996-12-17 0:00 ` Eric Miller
1996-12-18 0:00 ` Robert Dewar
1996-12-18 0:00 ` Robert A Duff
1996-12-19 0:00 ` Keith Thompson
1996-12-26 0:00 ` Robert Dewar
1996-12-19 0:00 ` Robert I. Eachus
1996-11-27 0:00 Ensco Vendor
1996-11-27 0:00 ` Robert I. Eachus
1996-11-29 0:00 ` Robert Dewar
1996-12-01 0:00 ` Darel Cullen
1996-11-30 0:00 ` Robert Dewar
1996-12-11 0:00 ` Richard Riehle
1996-12-02 0:00 ` Ted Dennison
1996-12-10 0:00 ` Matthew Heaney
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