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Mail Archives: djgpp/1999/02/02/14:39:17

Date: Tue, 2 Feb 1999 13:18:03 -0500
Message-Id: <199902021818.NAA00636@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <3.0.6.32.19990202125723.00904370@pop.netaddress.com> (message
from Paul Derbyshire on Tue, 02 Feb 1999 12:57:23 -0500)
Subject: Re: 64-bit integer math
References: <Pine DOT GSO DOT 4 DOT 02 DOT 9902012103100 DOT 16025-100000 AT neptune DOT calstatela DOT edu> <3 DOT 0 DOT 6 DOT 32 DOT 19990202125723 DOT 00904370 AT pop DOT netaddress DOT com>
Reply-To: djgpp AT delorie DOT com

> Just out of curiosity, what processors do have instructions to do
> 64-bit integer math, other than 64-bit processors? :-)

The 387 can do 64-bit integer math, as all 64-bit integers can be
perfectly represented in 80-bit FP bit patterns.

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