From 1285befd03bb267118a70c3b69fa070dc857c5d3 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Sun, 23 Oct 2022 11:59:00 +0100
Subject: [PATCH]

---
 openpower/sv/bitmanip.mdwn | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 3b8ee8bf7..688dede42 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -245,11 +245,13 @@ Replaces a pair of explicit instructions in hot-loops.
 
 ```
 uint_xlen_t shadd(uint_xlen_t rs1, uint_xlen_t rs2, uint8_t sh) {
+    sh = sh & 0x3;
     return (rs1 << (sh+1)) + rs2;
 }
 
 uint_xlen_t shadduw(uint_xlen_t rs1, uint_xlen_t rs2, uint8_t sh) {
     uint_xlen_t rs1z = rs1 & 0xFFFFFFFF;
+    sh = sh & 0x3;
     return (rs1z << (sh+1)) + rs2;
 }
 ```
-- 
2.30.2