diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index 7e70336947..94cfe16e9f 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
+
+	* mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
+
 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 
 	* simops.c (OP_F0FD): Initialise variable 'sp'.
diff --git a/sim/mn10300/mn10300.igen b/sim/mn10300/mn10300.igen
index 27685a89d7..2e16d27802 100644
--- a/sim/mn10300/mn10300.igen
+++ b/sim/mn10300/mn10300.igen
@@ -1822,7 +1822,7 @@
   if ( AM1 == AN0 )
     {
       //    op_B000 ();
-      genericCmp(EXTEND8 (IMEM8_IMMED (cia, 1)),
+      genericCmp(IMEM8_IMMED (cia, 1),
 		 State.regs[REG_A0 + AN0]);
       nia = cia + 2;
     }