diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0b560ca479c..d0ab6462bf5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-03-07  Clinton Popetz  <cpopetz@cygnus.com>
+	
+	* config/mips/mips.md (zero_extendsidi2): Always force operand
+	one to memory for mips16.
+
 Mon Mar  6 15:22:29 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index 67b38de66e8..c50f62a7960 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -3615,7 +3615,7 @@ move\\t%0,%z4\\n\\
   "TARGET_64BIT"
   "
 {
-  if (optimize && GET_CODE (operands[1]) == MEM)
+  if ((optimize || TARGET_MIPS16) && GET_CODE (operands[1]) == MEM)
     operands[1] = force_not_mem (operands[1]);
 
   if (GET_CODE (operands[1]) != MEM)