fix typo

diff --git a/openpower/isa/fixedarith.mdwn b/openpower/isa/fixedarith.mdwn
index dc1354b376080ad112bdd8a8509cb630cf0a22d5..9fd56d5db26de19046705ab479922646bd40f286 100644 (file)
--- a/openpower/isa/fixedarith.mdwn
+++ b/openpower/isa/fixedarith.mdwn
@@ -367,7 +367,7 @@ Pseudo-code:
 
     prod[0:63] <- (RA)[32:63] * (RB)[32:63]
     RT[32:63] <- prod[0:31]
-    RT[0:31] <- unsigned(prod[0:31])
+    RT[0:31] <- undefined(prod[0:31])
 
 Special Registers Altered: