From: lkcl Date: Sun, 3 Jul 2022 10:25:39 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~1394 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b09e4716e54d3cd91f1846e5d5e5f2a8d25e9fcf;p=libreriscv.git --- diff --git a/openpower/sv.mdwn b/openpower/sv.mdwn index 69460d8bd..66cb1e370 100644 --- a/openpower/sv.mdwn +++ b/openpower/sv.mdwn @@ -217,12 +217,18 @@ submit RFCs once the External ISA WG RFC Process is in place and, in a wholly unsatisfactory manner have to *hope and trust* that OPF ISA WG Members are reading this and take it into consideration. +As above sections, it is emphasised strongly that Simple-V in no +way critically depends on the 100 or so *Scalar* instructions also +being developed by Libre-SOC. Therefore the Opcode summary below is +again divided into two: SVP64, then Scalar instructions. + +* SVP64 requires 25% of EXT01 (bits 6 and 9 set to 1) + **None of these Draft opcodes are intended for private custom secret proprietary usage. They are all intended for entirely public, upstream, high-profile mass-volume day-to-day usage at the same level as add, popcnt and fld** -* SVP64 requires 25% of EXT01 (bits 6 and 9 set to 1) * bitmanip requires two major opcodes (due to 16+ bit immediates) those are currently EXT022 and EXT05. * brownfield encoding in one of those two major opcodes still