Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!uunet!lll-winken!iggy.GW.Vitalink.COM!widener!netnews.upenn.edu!vax1.cc.lehigh.edu!lehi3b15!batman!halkoD
From: halkoD@batman.moravian.EDU (David Halko)
Newsgroups: comp.arch
Subject: Re: RISC integer multiply/divide (was Re: Snake)
Summary: multiply and add instructions
Message-ID: <4085@batman.moravian.EDU>
Date: 23 Apr 91 16:04:36 GMT
References: <9538@mentor.cc.purdue.edu> <6490@awdprime.UUCP>
Organization: Moravian College, Bethlehem, PA
Lines: 26

In article <6490@awdprime.UUCP>, tif@doorstop.austin.ibm.com (Paul Chamberlain) writes:
> dik@cwi.nl (Dik T. Winter) writes:
> >kym@bingvaxu.cc.binghamton.edu (R. Kym Horsell) writes:
> > > use it for everything :-). Instructures like multiply-and-add, 
> > > multiply-shift-and-add are therefore not unheard of. (I have in mind ...
> > > TI 320 series, I presume those 6000 thingies can do similar things,
> >TI 320, yes, RS6000, no.
> 
> The rest of this article is to deep for my current mood, however,
> if I understand the above correctly, you are wrong.  IBM goes to
> great pains to brag about the multiply-and-add instruction.
> 
Multiply and add instructions are very useful in digital signal procssing
applications, where filters need to be made. multiply-add instructions
performed in a pipeline significantly improve performance of such
algorythms...

-- 
     _______________________________________________________________________
    /                                                                       \
   / "The use of COBOL cripples the mind; its teaching should, therefore, be \
  /  regarded as a criminal offence."           E.W.Dijkstra, 18th June 1975. \
 +-----------------------------------------------------------------------------+
  \  "Have you purchased a multi-   halkoD@moravian.edu  Have you booted your /
   \ media machine from IMS yet?"   David J. Halko       OS-9 computer today?/
    \_______________________________________________________________________/