From 89759360e9c76c5443e62c6b6f6e45596f0b1e38 Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 10 Sep 2022 10:22:38 +0100 Subject: [PATCH] --- openpower/sv/rfc/ls001/discussion.mdwn | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/openpower/sv/rfc/ls001/discussion.mdwn b/openpower/sv/rfc/ls001/discussion.mdwn index ebb0128b0..8a33870d9 100644 --- a/openpower/sv/rfc/ls001/discussion.mdwn +++ b/openpower/sv/rfc/ls001/discussion.mdwn @@ -114,3 +114,7 @@ EXT200-263 and EXT300-363 respectively seems sane. EXT300-363 for `RESERVED1` comes with a caveat that it can **never** be SVP64-Augmented. +the only downside of the third PO Group (EXT300-363) is that +this is now *four* PO Groups right at the Decode Phase: +EXT0nn EXT1nn EXT2nn and EXT3nn. this is incredibly expensive. +however we don't actually need EXT3nn, it's just a nice-to-have -- 2.30.2