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Pet_Ant
on Oct 24, 2023
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The risk of RISC-V: What's going on at SiFive?
> We don't even conceive of architectures where every instruction has 6 operands, including double indirection and implicit increments.
Is this an exaggeration, or were there ever such ISAs?
o11c
on Oct 24, 2023
[–]
It's a half-remembered description of VAX, but it's not
much
of an exaggeration if at all.
Pet_Ant
on Oct 25, 2023
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For those curious, I found this VAX manual, but haven't found anything truly egregious yet:
https://www.ece.lsu.edu/ee4720/doc/vax.pdf
brucehoult
on Oct 29, 2023
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Is this an exaggeration, or were there ever such ISAs?