From 9647302b462d7f39feba2b0b3b0a7eb0a1a972c8 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Fri, 25 Dec 2020 21:48:36 +0000
Subject: [PATCH]

---
 openpower/sv/bitmanip.mdwn | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 47f407849..54958ba43 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -19,3 +19,20 @@ vpdepd VRT,VRA,VRB
 # vector bit extract
 
 other way round
+
+# single bit set
+
+```
+uint_xlen_t sbset(uint_xlen_t rs1, uint_xlen_t rs2) { int shamt = rs2 & (XLEN - 1);
+}
+return rs1 | (uint_xlen_t(1) << shamt);
+uint_xlen_t sbclr(uint_xlen_t rs1, uint_xlen_t rs2) { int shamt = rs2 & (XLEN - 1);
+}
+return rs1 & ~(uint_xlen_t(1) << shamt);
+uint_xlen_t sbinv(uint_xlen_t rs1, uint_xlen_t rs2) { int shamt = rs2 & (XLEN - 1);
+}
+return rs1 ^ (uint_xlen_t(1) << shamt);
+uint_xlen_t sbext(uint_xlen_t rs1, uint_xlen_t rs2) { int shamt = rs2 & (XLEN - 1);
+}
+return 1 & (rs1 >> shamt);
+```
-- 
2.30.2