[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)