From 1e69ca64b20568c035394c0890e30a168eb56326 Mon Sep 17 00:00:00 2001 From: lkcl Date: Mon, 19 Jun 2023 21:25:46 +0100 Subject: [PATCH] --- openpower/sv/po9_encoding/discussion.mdwn | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/openpower/sv/po9_encoding/discussion.mdwn b/openpower/sv/po9_encoding/discussion.mdwn index 012220dd9..1c06df12c 100644 --- a/openpower/sv/po9_encoding/discussion.mdwn +++ b/openpower/sv/po9_encoding/discussion.mdwn @@ -312,11 +312,10 @@ The following identification-criteria may be easily verified by taking a copy of the table above and striking out each line that fails each test. Only EXT000-063 is not by a "process of elimination" (if ... return True) -**Length detection**: (critically-important to be short) +**Length detection**: (critically-important to be short - 1 clock cycle) ``` - if PO1 return 64 - elif PO9 return 64 + if PO1 or PO9 return 64 else return 32 ``` @@ -345,16 +344,6 @@ test. Only EXT000-063 is not by a "process of elimination" (if ... return True) **SVP64**: -|0-5| 6-29 |30 31|32-37 | 38-663 | Description | -|---|--------|-----|--------|--------|------------------| -|PO9| xxxx | x x | 010001 | //// | RESERVED | -|PO9| xxxx | x x | 000001 | //// | RESERVED | -|PO9| !ZERO | 1 1 | !PO9 | xxxx | SSingle:EXT232-263 | -|PO9| 0000 | 1 1 | !PO9 | xxxx | Scalar EXT232-263 | -|PO9| SVRM | 1 0 | !PO9 | xxxx | SVP64:EXT232-263 | -|PO9| 0000 | 0 1 | Defined Word-instruction | 32-bit EXT300-363 | -|PO9| !ZERO | 0 1 | Defined Word-instruction | SSingle:EXT000-063 | -|PO9| SVRM | 0 0 | Defined Word-instruction | SVP64:EXT000-063 | ``` # easy-elimination, first if not PO9 return False -- 2.30.2