(no commit message)

diff --git a/openpower/sv/vector_ops.mdwn b/openpower/sv/vector_ops.mdwn
index ab71f91c0f8121f3be4beb8b18ecd54e28739917..310767b0d28fa7f09856a33aa32f7f042365972f 100644 (file)
--- a/openpower/sv/vector_ops.mdwn
+++ b/openpower/sv/vector_ops.mdwn
@@ -58,6 +58,9 @@ for Scalable Vector usage as Predicate Masks, is the second mask parameter
 by RB unaltered, otherwise those bits are set to zero. Note that when `RB=0`
 then instead of reading from the register file the mask is set to all ones.
 
+The lower two bits of `bm` set to 0b11 are `RESERVED`. An illegal instruction
+trap must be raised.
+
 Executable pseudocode demo:
 
 ```