diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f95ec7aeb4d..1aa4772e18e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-19  Aldy Hernandez  <aldyh@redhat.com>
+ 
+        * expr.c (const_vector_from_tree): Initialize remaining elements
+        to 0.
+
 2003-06-19  Aldy Hernandez  <aldyh@redhat.com>
 
 	* config/rs6000/spe.md ("spe_evfscfsi"): Change operand types.
diff --git a/gcc/expr.c b/gcc/expr.c
index db52ee36500..6501f873e3d 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -10523,6 +10523,10 @@ const_vector_from_tree (exp)
 					       inner);
     }
 
+  /* Initialize remaining elements to 0.  */
+  for (; i < units; ++i)
+    RTVEC_ELT (v, i) = CONST0_RTX (inner);
+
   return gen_rtx_raw_CONST_VECTOR (mode, v);
 }