From: lkcl <lkcl@web>
Date: Sun, 26 Mar 2023 21:23:17 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls001_v3~38
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fece9f474fca690970699fa6f7f7b26afce9a8b7;p=libreriscv.git

---

diff --git a/openpower/sv/rfc/ls009.mdwn b/openpower/sv/rfc/ls009.mdwn
index fa5cc6d57..f81958d54 100644
--- a/openpower/sv/rfc/ls009.mdwn
+++ b/openpower/sv/rfc/ls009.mdwn
@@ -85,9 +85,6 @@ Add the following entries to:
 
 \newpage{}
 
-
-[[!tag standards]]
-
 # REMAP <a name="remap" />
 
 REMAP is an advanced form of Vector "Structure Packing" that
@@ -579,6 +576,10 @@ explicitly disabled, either by `setvl` setting a new MAXVL, or with another
 clearing persistence, as well as partially covering a subset of the capability of
 `svremap` to set register-to-SVSHAPE relationships.
 
+-------------
+
+\newpage{}
+
 # SHAPE Remapping SPRs
 
 There are four "shape" SPRs, SHAPE0-3, 32-bits in each,
@@ -785,6 +786,10 @@ becomes possible to perform in-place Transpose of Indices which
 may have been costly to set up or costly to duplicate
 (waste register file space).
 
+-------------
+
+\newpage{}
+
 # svshape instruction  <a name="svshape"> </a>
 
 Form: SVM-Form SV "Matrix" Form (see [[isatables/fields.text]])
@@ -1034,15 +1039,19 @@ to SVSHAPE0-3 with `mtspr`. Circumstances include Matrices with dimensions
 larger than 32, and in-place Transpose.  Potentially a future v3.1 Prefixed
 instruction, `psvshape`, may extend the capability here.
 
+-------------
+
+\newpage{}
+
+
 # svindex instruction  <a name="svindex"> </a>
 
+SVI-Form
 
 | 0.5|6.10 |11.15  |16.20 | 21..25      | 26..31|  name    | Form |
 | -- | --  | ---   | ---- | ----------- | ------| -------- | ---- |
 |OPCD| SVG | rmm   | SVd  | ew/yx/mm/sk | XO    | svindex | SVI-Form |
 
-SVI-Form
-
 * svindex SVG,rmm,SVd,ew,SVyx,mm,sk
 
 Pseudo-code:
@@ -1212,6 +1221,11 @@ whilst `mm=1` is intended to be a little more refined.
 Beyond these mappings it becomes necessary to write directly to
 the SVSTATE SPRs manually.
 
+-------------
+
+\newpage{}
+
+
 # svshape2 (offset) <a name="svshape2"> </a>
 
 `svshape2` is an additional convenience instruction that prioritises
@@ -1273,45 +1287,6 @@ is clearly **invalid**.*
 
 
 
-
-
-# svstep: Vertical-First Stepping and status reporting
-
-SVL-Form
-
-* svstep RT,SVi,vf (Rc=0)
-* svstep. RT,SVi,vf (Rc=1)
-
-| 0-5|6-10|11.15|16..22| 23-25    | 26-30 |31|   Form   |
-|----|----|-----|------|----------|-------|--|--------- |
-|PO  | RT | /   | SVi  |  / / vf  | XO    |Rc| SVL-Form |
-
-Pseudo-code:
-
-```
-    if SVi[3:4] = 0b11 then
-        # store pack and unpack in SVSTATE
-        SVSTATE[53] <- SVi[5]
-        SVSTATE[54] <- SVi[6]
-        RT <- [0]*62 || SVSTATE[53:54]
-    else
-        # Vertical-First explicit stepping.
-        step <- SVSTATE_NEXT(SVi, vf)
-        RT <- [0]*57 || step
-```
-
-Special Registers Altered:
-
-    CR0                     (if Rc=1)
-
-**Description**
-
-
--------------
-
-\newpage{}
-
-
 -------------
 
 \newpage{}
@@ -1335,7 +1310,6 @@ Add the following to Book I, 1.6.1, SVM-Form
 Add the following to Book I, 1.6.1, SVM2-Form
 
 ```
-# 1.6.35.1 SVM2-FORM
     |0     |6     |10  |11      |16    |21 |24|25 |26    |31  |
     | PO   | SVo  |SVyx|   rmm  | SVd  |XO |mm|sk |   XO      |
 ```
@@ -1343,7 +1317,6 @@ Add the following to Book I, 1.6.1, SVM2-Form
 Add the following to Book I, 1.6.1, SVRM-Form
 
 ```
-# 1.6.36 SVRM-FORM
     |0     |6     |11  |13   |15   |17   |19   |21  |22   |26     |31 |
     | PO   | SVme |mi0 | mi1 | mi2 | mo0 | mo1 |pst |///  | XO        |
 ```