From: lkcl <lkcl@web>
Date: Fri, 24 Jun 2022 18:32:54 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1537
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a0afa3b27aa190fffe5182ca555f846fe8f9985f;p=libreriscv.git

---

diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn
index 1117a1abb..48b844a1d 100644
--- a/openpower/sv/remap.mdwn
+++ b/openpower/sv/remap.mdwn
@@ -241,7 +241,9 @@ instruction, `psvshape`, may extend the capability here.
 `svindex` is a convenience instruction that reduces instruction
 count for Indexed REMAP Mode. It sets up
 (overwrites) all required SVSHAPE SPRs and can modify the REMAP
-SPR as well.
+SPR as well.  The relevant SPRs *may* be directly programmed with
+`mtspr` however it is laborious to do so: svindex saves instructions
+covering much of Indexed REMAP capability.
 
 Form: SVI-Form SV "Indexed" Form (see [[isatables/fields.text]])
 
@@ -253,7 +255,7 @@ Form: SVI-Form SV "Indexed" Form (see [[isatables/fields.text]])
 
 Fields:
 
-* **SVd** - SV REMAP x/y dim
+* **SVd** - SV REMAP x/y dim 
 * **mask** - sets remap mi0-2/mo0-1 and SVSHAPEs, controlled by mm
 * **ew** - sets element width override
 * **RS** - GPR RS<<2 to be used for Indexing