diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog
index 0e37dddc148..62d14bb4fc3 100644
--- a/sim/bfin/ChangeLog
+++ b/sim/bfin/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-23  Robin Getz  <robin.getz@analog.com>
+
+	* bfin-sim.c (decode_dsp32shift_0): Set acc0 to the unextended
+	value for the VIT_MAX insn, and mask off the result when done.
+
 2011-03-23  Robin Getz  <robin.getz@analog.com>
 
 	* bfin-sim.c (decode_dsp32alu_0): Set A1 to a1_lo when up_hi is false,
diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c
index 85e281a9d1d..467d7423070 100644
--- a/sim/bfin/bfin-sim.c
+++ b/sim/bfin/bfin-sim.c
@@ -5425,7 +5425,7 @@ decode_dsp32shift_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
     }
   else if ((sop == 0 || sop == 1) && sopcde == 9)
     {
-      bs40 acc0 = get_extended_acc (cpu, 0);
+      bs40 acc0 = get_unextended_acc (cpu, 0);
       bs16 sL, sH, out;
 
       TRACE_INSN (cpu, "R%i.L = VIT_MAX (R%i) (AS%c);",
@@ -5435,7 +5435,7 @@ decode_dsp32shift_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
       sH = DREG (src1) >> 16;
 
       if (sop & 1)
-	acc0 >>= 1;
+	acc0 = (acc0 & 0xfeffffffffull) >> 1;
       else
 	acc0 <<= 1;