[HN Gopher] John Mashey on RISC/CISC (1991)
       ___________________________________________________________________
        
       John Mashey on RISC/CISC (1991)
        
       Author : goranmoomin
       Score  : 12 points
       Date   : 2022-12-31 13:47 UTC (9 hours ago)
        
 (HTM) web link (userpages.umbc.edu)
 (TXT) w3m dump (userpages.umbc.edu)
        
       | dang wrote:
       | Related:
       | 
       |  _John Mashey on RISC /CISC_ -
       | https://news.ycombinator.com/item?id=9811397 - July 2015 (4
       | comments)
       | 
       | Others?
        
       | KerrAvon wrote:
       | Would love Mashey's thoughts on RISC V, but AFAICT he left the
       | business a couple of decades ago.
        
         | zozbot234 wrote:
         | Yes but RISC-V is very risc-y by the criteria Mashey proposes
         | here. The one thing that arguably doesn't fit much is the
         | multiple insn sizes, and real-world RISC-V implementations have
         | only two, at 2 or 4 bytes. That's still very low compared to
         | historical CISC. And I think the atomic instructions do RMW to
         | memory, but they carefully avoid complicated addres modes; they
         | even dispense with register+immediate offset.
        
       ___________________________________________________________________
       (page generated 2022-12-31 23:00 UTC)