From 3f78aaa34a4e112cd0e1586b6004f5d845fc1428 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Wed, 26 Apr 2023 17:23:57 +0100
Subject: [PATCH]

---
 openpower/sv/vector_ops/discussion.mdwn | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/openpower/sv/vector_ops/discussion.mdwn b/openpower/sv/vector_ops/discussion.mdwn
index 20dd66877..e09283373 100644
--- a/openpower/sv/vector_ops/discussion.mdwn
+++ b/openpower/sv/vector_ops/discussion.mdwn
@@ -212,6 +212,13 @@ mask-out effect of resetting the count back to zero.
 However close examination shows that the above may actually
 be `sv.addi/mr/sm=EQ/sz *r1, *r0, 1` TODO check this
 
+this looks promising:
+
+    sv.add *v4+1, *v4, *v2
+
+where v2 is guaranteed to contain 0 or 1, the dependency chain
+accumulates v2 via the overlap between src1 and dest vectors.
+
 # cprop
 
 * <https://www.geeksforgeeks.org/carry-look-ahead-adder/>
-- 
2.30.2