From: lkcl <lkcl@web>
Date: Tue, 1 Dec 2020 17:42:31 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: convert-csv-opcode-to-binary~1545
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=794f75f2d3d70bed1f8b8bdb1ff6662dbafab9d2;p=libreriscv.git

---

diff --git a/openpower/sv/setvl.mdwn b/openpower/sv/setvl.mdwn
index 250ff634e..1f268e598 100644
--- a/openpower/sv/setvl.mdwn
+++ b/openpower/sv/setvl.mdwn
@@ -60,3 +60,16 @@ See links:
         // update CR from VL (not rt)
         CR0 = ....
     }
+
+# Examples
+
+## Core concept loop
+
+    loop:
+    setvli a3, a0, MVL=8   #  update a3 with vl
+                           # (# of elements this iteration)
+                           # set MVL to 8
+    # do vector operations at up to 8 length (MVL=8)
+    # ...
+    sub a0, a0, a3   # Decrement count by vl
+    bnez a0, loop    # Any more?