From 5e9b0efe51bde959d111bf38bf54199d92f2771c Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 3 Jun 2023 09:37:25 +0100 Subject: [PATCH 1/1] --- openpower/sv/po9_encoding.mdwn | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/openpower/sv/po9_encoding.mdwn b/openpower/sv/po9_encoding.mdwn index 5fa36a9ae..3a84c0a0c 100644 --- a/openpower/sv/po9_encoding.mdwn +++ b/openpower/sv/po9_encoding.mdwn @@ -143,9 +143,8 @@ Encoding spaces and their potential are illustrated: Notes: * **PO9**-PO1 Prefixed-Prefixed (96-bit) instructions are prohibited. EXT1xx is - thus inherently Unvectorizable as the EXT1xx prefix is 32-bit - on top of an SVP64 prefix which is 32-bit on top of a Defined Word-instruction - and the complexity at the Decoder becomes too great for High + thus inherently Unvectorizable as the complexity at the Decoder of recognising + `{PO1-word}{PO9-word}{Defined-word-instruction}` becomes too great for High Performance Multi-Issue systems. * There is however no reason why PO9-PO1 (EXT901?) as an entirely new RESERVED 64-bit Encoding -- 2.30.2