From: lkcl <lkcl@web>
Date: Sat, 12 Dec 2020 09:46:41 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: convert-csv-opcode-to-binary~1394
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cc4c26ea56854289a57fe47d8b9c53977eee57ec;p=libreriscv.git

---

diff --git a/openpower/sv/svp_rewrite/svp64/discussion.mdwn b/openpower/sv/svp_rewrite/svp64/discussion.mdwn
index 959bdb740..f72d81741 100644
--- a/openpower/sv/svp_rewrite/svp64/discussion.mdwn
+++ b/openpower/sv/svp_rewrite/svp64/discussion.mdwn
@@ -67,7 +67,10 @@ For 2 op (dest/src1/src2) the tag may be 3 bits: total 9 bits.  for 3 op (dest/s
 
 Note:
 
-* saturation is done on the result at the **source** elwidth
+* for saturation the operation is done at the **source** width
+  (this is different from normal elwidth overrides which
+   are done at the **dest** width)
+* saturation is done on the result at the **dest** elwidth
 * signed-saturation causes sign-extension from source to dest elwidths **after** saturation
 
 # Notes about rounding, clamp and saturate