[Libre-soc-isa] [Bug 924] potential major opcode allocation for SVP64

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Sep 16 00:36:38 BST 2022


--- Comment #10 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #9)

> may i suggest kinda reversing the order by having bit 6 = 1 mean new and bit
> 6 = 0 mean old, also for new have bit 32:33 = 0 mean svp64, and bit 32:33 !=
> 0 mean reserved?

apparently it's based on what is in EXT001 Public v3.1 1.6.3,
so no, we can't, it would be too confusing.

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