Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!bloom-beacon!snorkelwacker!tut.cis.ohio-state.edu!ucbvax!decwrl!sgi!shinobu!odin!maddog!pkr From: pkr@maddog.sgi.com (Phil Ronzone) Newsgroups: comp.arch Subject: Re: CISC Silent Spring Message-ID: <3674@odin.SGI.COM> Date: 7 Feb 90 00:39:53 GMT References: <3300098@m.cs.uiuc.edu> <771@sce.carleton.ca> <35456@mips.mips.COM> <25cb6b65.702c@polyslo.CalPoly.EDU> <1990Feb5.211208.15741@utzoo.uucp> Sender: news@odin.SGI.COM Organization: Silicon Graphics, Inc., Mountain View, CA Lines: 17 In article <1990Feb5.211208.15741@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes: >No, they've figured out how to make tomorrow's CISC chips perform the >simpler instructions in the same clock cycle that yesterday's RISC chips >took to perform similarly simple operations. The complicated instructions >are still slow (and still rarely used), the RISCs still have a built-in >lead due to shorter design times, and the CISCs still have a built-in >handicap due to the mass of instruction/decoding/exception baggage >dragging along behind their RISC-like cores. Hmm, like automatic TLB loading, or that even more rarely used set known as MUL and DIV??? :-) ------Me and my dyslexic keyboard---------------------------------------------- Phil Ronzone Manager Secure UNIX pkr@sgi.COM {decwrl,sun}!sgi!pkr Silicon Graphics, Inc. "I never vote, it only encourages 'em ..." -----In honor of Minas, no spell checker was run on this posting---------------