diff --git a/cpu/ChangeLog b/cpu/ChangeLog
index 47c86a903e..ac63d28808 100644
--- a/cpu/ChangeLog
+++ b/cpu/ChangeLog
@@ -1,3 +1,7 @@
+2017-03-15  Stafford Horne  <shorne@gmail.com>
+
+	* or1kcommon.cpu: Add pc set semantics to also update ppc.
+
 2016-10-06  Alan Modra  <amodra@gmail.com>
 
 	* mep.opc (expand_string): Add fall through comment.
diff --git a/cpu/or1kcommon.cpu b/cpu/or1kcommon.cpu
index 1119f988c5..ced70c3509 100644
--- a/cpu/or1kcommon.cpu
+++ b/cpu/or1kcommon.cpu
@@ -26,6 +26,11 @@
   (comment "program counter")
   (attrs PC (MACH ORBIS-MACHS))
   (type pc UWI)
+  (get () (raw-reg h-pc))
+  (set (newval) (sequence ()
+                 (set (reg h-sys-ppc) (raw-reg h-pc))
+                 (set (raw-reg h-pc) newval)
+                ))
   )
 
 (define-pmacro REG-INDICES