From: lkcl <lkcl@web>
Date: Tue, 15 Feb 2022 05:54:16 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~3206
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dd5baa01226a1211ed673904f62b115724a0b132;p=libreriscv.git

---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index e2803b332..269e9bff3 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -316,6 +316,12 @@ uint_xlen_t bmextrev(RA, RB, sh)
 | NN | RT | RA  | RB  | sh  | 0   111 |Rc| bmrevi |
 
 
+# grevlut
+
+    lut2(imm, a, b):
+        idx = b << 1 | a
+        return imm[idx] # idx by LSB0 order
+
 
 # grev