[libre-riscv-dev] [Bug 139] Add LD.X and ST.X? Strided

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=139

--- Comment #32 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #29)

> > It would be better to have swizzle2, swizzle3 and swizzle4 to truncate the
> > subvector.
> 
> that's identical to adding a destsubvl field to the instruction, which is
> mostly what I was suggesting. the existing subvl mechanisms would give
> srcsubvl.

It's using the opcode to "store" the state, which, fortunately, means no CSR
changes (whew)

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