From: lkcl Date: Fri, 9 Jun 2023 11:14:08 +0000 (+0100) Subject: (no commit message) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=31b99a9dc9ccc95e754421f5c34cdbb19c56f748;p=libreriscv.git --- diff --git a/openpower/sv/po9_encoding/discussion.mdwn b/openpower/sv/po9_encoding/discussion.mdwn index db1db31a3..da92f8043 100644 --- a/openpower/sv/po9_encoding/discussion.mdwn +++ b/openpower/sv/po9_encoding/discussion.mdwn @@ -11,9 +11,7 @@ a specific view to attaining high-speed massive-wide multi-issue decode is a high priority. therefore especially length-detection must be kept brutally simple. -# alternative 32-64 encoding (1) - -**superseded** +# alternative 32-64 encoding (1) **superseded** conflict to resolve: EXT90x and EXT232. they are indistinguishable. @@ -62,9 +60,7 @@ Instruction allocation restrictions: * but those types of space-saving instructions **also need to be Vectorizable* -# alternative 32-64 encoding (2) - -**superseded** +# alternative 32-64 encoding (2) **superseded** requires reducing SVP64Single to 23 bits. luckily there are 2 spare @@ -106,9 +102,7 @@ Length detection: else return 64 ``` -# alternative 32-64 encoding (3) - -**current** +# alternative 32-64 encoding (3) **current** aim of this idea is to attempt simplification of area identification and length. the 55-bit area is eliminated and may only be reintroduced