Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!seismo!ut-sally!ut-ngp!kjm
From: kjm@ut-ngp.UUCP
Newsgroups: net.arch
Subject: Re: Delayed Loads
Message-ID: <4009@ut-ngp.UUCP>
Date: Thu, 18-Sep-86 23:15:18 EDT
Article-I.D.: ut-ngp.4009
Posted: Thu Sep 18 23:15:18 1986
Date-Received: Sat, 20-Sep-86 00:10:39 EDT
References: <694@mips.UUCP>
Organization: UTexas Computation Center, Austin, Texas
Lines: 17

[]

>e) The CDC 6600 probably falls in e), i.e., the FORTRAN compiler would
>rearrange code to help things go fast, but the hardware could handle
>all of the interlocks itself [I think. Anybody know different?]
>[John Mashey]

This is correct.  CDC 6600's and their descendants have a reservation
scheme which delays execution of an instruction if a register it uses
is being loaded from memory.

--
Kenneth J. Montgomery  "Shredder-of-hapless-smurfs"
[Charter?] Member, Heathen and Atheist SCUM Alliance, "Heathen" division

...!{ihnp4,allegra,seismo!ut-sally}!ut-ngp!kjm  [Usenet, when working]
kjm@ngp.{ARPA, UTEXAS.EDU, CC.UTEXAS.EDU}  [Old, New, and Very New Internet]