From: "Eric G. Miller" <egm2@jps-nospam.net>
Subject: Re: Last stream problem: byte order
Date: Fri, 29 Mar 2002 02:08:32 GMT
Date: 2002-03-29T02:08:32+00:00 [thread overview]
Message-ID: <pan.2002.03.28.18.09.19.71051.18886@jps-nospam.net> (raw)
In-Reply-To: x7v663gczbb.fsf@smaug.pushface.org
In <x7v663gczbb.fsf@smaug.pushface.org>, Simon Wright wrote:
> "Eric G. Miller" <egm2@jps-nospam.net> writes:
>
>> In <3CA20BAA.FD53C08A@ib-paus.com>, Dr. Michael Paus wrote:
>
>> > if System.Default_Bit_Order = System.Low_Order_First then
>> > ... (swap the bytes)
>> > else
>> > ... (don't swap the bytes)
>> > end if;
>> >
>> > But I don't think this makes a big difference in either case.
>>
>> GNAT gives a warning that the condition is always true (or false).
>> Don't know if it eliminates the unreachable branch (I would think so
>> with -02). Resorting to preprocessing trickery would probably
>> insure it is always a compile time check. Don't know if there's
>> another way...
>
> I've just tried a similar code with 3.13p, 3,14a1 and 3.15a and none
> of them flagged a warning here .. with or without -O2.
gnatmake -g -gnatwa <foo>
Guess I forget to mention "if you turn on warnings...".
next prev parent reply other threads:[~2002-03-29 2:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-25 19:45 Last stream problem: byte order Erik Sigra
2002-03-25 22:28 ` Jeffrey Carter
2002-03-25 22:36 ` Stephen Leake
2002-03-26 4:32 ` Eric G. Miller
2002-03-26 10:25 ` Dr. Michael Paus
2002-03-26 17:53 ` Pascal Obry
2002-03-26 18:25 ` Dr. Michael Paus
2002-03-26 19:25 ` Pascal Obry
2002-03-27 15:37 ` Erik Sigra
2002-03-27 18:12 ` Dr. Michael Paus
2002-03-28 2:24 ` Eric G. Miller
2002-03-28 18:34 ` Stephen Leake
2002-03-28 18:38 ` Simon Wright
2002-03-29 2:08 ` Eric G. Miller [this message]
2002-03-29 6:52 ` Simon Wright
2002-03-29 7:06 ` Simon Wright
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox