From: Andrew Cagney <ac131313@redhat.com>
To: Daniel Jacobowitz <drow@mvista.com>
Cc: gdb-patches@sources.redhat.com
Subject: Re: PATCH for Re: Problems with floatformat on Alpha
Date: Mon, 25 Nov 2002 13:10:00 -0000 [thread overview]
Message-ID: <3DE291CF.6050405@redhat.com> (raw)
In-Reply-To: <20021124225605.GA2639@nevyn.them.org>
>
> Blech. Doublest is assuming an IEEE-ish host. More particularly, it
> appears that the mechanism doublest.c uses to construct doubles is not
> usable on Alpha in non-IEE mode. The instruction "addt $f10,$f11,$f10"
> can trap if $f10 is a denormal - even if $f11 is 0.0. I have test code
> which demonstrates this to my satisfaction. So when we accumulate in
> dto, we take a SIGFPE.
Suggest a bug report explaining this (more amunition for getting a
proper floating-point library).
Andrew
next prev parent reply other threads:[~2002-11-25 21:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20021124214447.GA1222@nevyn.them.org>
2002-11-24 14:55 ` Daniel Jacobowitz
2002-11-25 13:10 ` Andrew Cagney [this message]
2002-12-03 21:40 ` Daniel Jacobowitz
2002-12-04 8:31 ` Andrew Cagney
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