Article View: comp.arch
Article #10453Re: RISC integer multiply/divide (was Re: Snake)
From: David Halko
Date: Tue, 23 Apr 1991 16:04
Date: Tue, 23 Apr 1991 16:04
26 lines
2082 bytes
2082 bytes
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...
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arc1-ca.pugleaf.net!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!halkoDReferences:
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Path: arc1-ca.pugleaf.net!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