From: lkcl Date: Sun, 11 Sep 2022 00:51:41 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~508 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=76e4a9c7f7a50e3ff0dbd00fcff1da79c45a682f;p=libreriscv.git --- diff --git a/openpower/sv/rfc/ls001.mdwn b/openpower/sv/rfc/ls001.mdwn index 99f1f2302..0c36967d5 100644 --- a/openpower/sv/rfc/ls001.mdwn +++ b/openpower/sv/rfc/ls001.mdwn @@ -6,14 +6,14 @@ [[ls001/discussion]] This proposal is to extend the Power ISA with an Abstract RISC-Paradigm -Vectorisation Concept that may be applied to **all and any** suitable +Vectorisation Concept that may be orthogonally applied to **all and any** suitable Scalar instructions, present and future, in the Scalar Power ISA. The Vectorisation System is called ["Simple-V"](https://libre-soc.org/openpower/sv/) and the Prefix Format is called ["SVP64"](https://libre-soc.org/openpower/sv/). **Simple-V is not a Traditional Vector ISA and therefore -does not add Vector opcodes**. +does not add Vector opcodes or regfiles**. An ISA Concept similar to Simple-V was originally invented in 1994 by Peter Hsu (Architect of the MIPS R8000) but was dropped as MIPS did not have an Out-of-Order Microarchitecture on which to best exploit it.