From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 17 Oct 2018 12:12:58 +0000 (+0100)
Subject: clarify bitwidth
X-Git-Tag: convert-csv-opcode-to-binary~4906
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=479c2cf83ad6fb7596125c7694a2f048d7c3cd40;p=libreriscv.git

clarify bitwidth
---

diff --git a/simple_v_extension/specification.mdwn b/simple_v_extension/specification.mdwn
index aaf45034c..4af2efbee 100644
--- a/simple_v_extension/specification.mdwn
+++ b/simple_v_extension/specification.mdwn
@@ -1308,7 +1308,8 @@ be clear that;
   source operands
 * the operation takes place at that bitwidth
 * the result is extended (or potentially even, truncated) before being
-  stored in the destination.
+  stored in the destination.  i.e. truncation (if required) to the
+  destination width occurs **after** the operation **not** before.
 
 For floating-point operations, conversion takes place without
 raising any kind of exception.  Exactly as specified in the standard