[comp.arch] Multiple Register sets

sef@kithrup.COM (Sean Eric Fagan) (06/13/91)

In article <13016@uwm.edu> jgd@convex.csd.uwm.edu writes:
>[Of current general purpose machines, how many use multiple register sets?
> Unisys 1100/2200 (formerly Univac and Sperry) systems do -- two sets,
> one OS only, and one for everything else.  Any others?]

The ELXSI has multiple register sets.  32, I believe.  And it, too, could
context switch merely by chaning register sets.

The i960 has multiple "local" register sets, but it uses them on a per-call
basis, not per-task.

-- 
Sean Eric Fagan  | "I made the universe, but please don't blame me for it;
sef@kithrup.COM  |  I had a bellyache at the time."
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