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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: "Lete2??s Stop Bashing C"
Date: Wed, 07 Dec 2016 09:22:12 -0800
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jacobnavia <jacob@jacob.remcomp.fr> writes:
> Le 07/12/2016 á 08:41, Ike Naar a écrit :
>> The 'overflow' variants the of arithmetic instructions (addlv,
>> mullv, sublv etc.) signal an overflow exception, but they do not
>> set an overflow flag, so I don't see how one could efficiently
>> "test the overflow flag".
>
> So what?
> Any overflow trap sets that flag!

Sets what flag?  My understanding (based mostly on reading this
discussion) is that the Alpha doesn't have a hardware "overflow flag".
Are you talking about dedicating some memory location for use as an
overflow flag, controlled by software?

[...]

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"