[Libre-soc-isa] [Bug 1054] questions and feedback (v2) on OPF RFC ls012

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Apr 13 11:15:22 BST 2023


--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
i've also added LDST-Shifted-Postinc (!) which is another 37
instructions (!) very deliberately to raise awareness of the
problem of opcode allocation, but also to solicit, under
"Due Diligence", a response from the ISA WG as to why they
should or should not be included.

i would expect the answer "eek!" but then that helps make
te case for shift-and-add as a much more palatable alternative.

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