From: lkcl <lkcl@web>
Date: Fri, 12 Feb 2021 19:14:36 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: convert-csv-opcode-to-binary~200
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1dcf13c417e107eeae33b1644f3c382a715c8043;p=libreriscv.git

---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 27e957eeb..638e8787d 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -265,6 +265,13 @@ uint_xlen_t bmext(RA, RB, sh)
 }
 ```
 
+bitmask extract with reverse
+```
+msb = rb[5:0];
+rev[0:msb] = ra[msb:0];
+rt = ZE(rev[msb:0]);
+```
+
 # grev
 
 based on RV bitmanip