From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 13 Aug 2019 11:02:01 +0000 (+0100)
Subject: add swizzle pseudocode example
X-Git-Tag: convert-csv-opcode-to-binary~4212
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1c8b6734ca15fb08e4c94294ed4c63527198db32;p=libreriscv.git

add swizzle pseudocode example
---

diff --git a/simple_v_extension/abridged_spec.mdwn b/simple_v_extension/abridged_spec.mdwn
index 0bab079dd..69c7af8c8 100644
--- a/simple_v_extension/abridged_spec.mdwn
+++ b/simple_v_extension/abridged_spec.mdwn
@@ -238,10 +238,10 @@ if this occurs.
 Pseudocode when SUBVL=4 and swizzle is set on rd:
 
     # decode the swizzle table entry for rd
-    x = swizzle[0:1]
-    y = swizzle[2:3]
-    z = swizzle[4:5]
-    w = swizzle[6:7]
+    x = swizzle[0:1] # sub-element 0
+    y = swizzle[2:3] # sub-element 1
+    z = swizzle[4:5] # sub-element 2
+    w = swizzle[6:7] # sub-element 3
 
     # loop on VL: SUBVL loop is unrolled
     for (i in 0; i < VL; i++)