Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!unido!uklirb!kirchner
From: kirchner@uklirb.informatik.uni-kl.de (Reinhard Kirchner)
Newsgroups: comp.arch
Subject: Re: Features for multiprecision arithmetic)
Message-ID: <2589@uklirb.informatik.uni-kl.de>
Date: 26 Feb 90 16:07:30 GMT
References: <2588@uklirb.informatik.uni-kl.de>
Organization: University of Kaiserslautern, W-Germany
Lines: 19

Sorry, vi made me put a line at the wrong place.
> 
> Now the problem with those c-ish RISC is: in C these things are not needed,
> C-program statistics do not show them ( in fact, no high level language
insert line here: > 
> Another bunch of difficulties comes from these long numbers being so long.
> This means: the tend to grow during calculations, and they tend not to
> fit into the registers, even if there are 32 of them. So the program
> has to deal with two kinds of looongs, the short ones which fit, and the
> loooooooooooooooong ones which do not. For these CISCs with shifts and adds
> in memory are very nice.
 
This line to be inserted above:
 support such things !! ) and so nearly nobody has all what is needed.
 
 R. Kirchner
 Univ. of Kaiserslautern Germany
 kirchner@uklirb.uni-kl.informatik.de    ( see also head of posting )
 kinf89@dkluni01.bitnet                   ( prefered )