diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 38f57182062..7188b287fb7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+1999-09-13 17:03 -0700  Zack Weinberg  <zack@bitmover.com>
+
+	* config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
+
 Mon Sep 13 15:21:46 1999  Richard Henderson  <rth@cygnus.com>
 
 	* i386.c (call_insn_operand): Reject const_int.
diff --git a/gcc/config/gmicro/gmicro.md b/gcc/config/gmicro/gmicro.md
index 631b4b52ebe..f6be9c1f998 100644
--- a/gcc/config/gmicro/gmicro.md
+++ b/gcc/config/gmicro/gmicro.md
@@ -55,14 +55,17 @@
   return output_move_double (operands);
 }")
 
-(define_insn ""
-  [(set (match_operand:DI 0 "push_operand" "=m")
-	(match_operand:DF 1 "general_operand" "rmF"))]
-  ""
-  "*
-{
-  return output_move_double (operands);
-}")
+;; This pattern is illegal (modes of SET_DEST and SET_SRC don't match).
+;; It is not clear what it was intended to accomplish, therefore
+;; I have not corrected it.  -zw, 1999-09-13
+;(define_insn ""
+;  [(set (match_operand:DI 0 "push_operand" "=m")
+;	(match_operand:DF 1 "general_operand" "rmF"))]
+;  ""
+;  "*
+;{
+;  return output_move_double (operands);
+;}")
 
 ;; We don't want to allow a constant operand for test insns because
 ;; (set (cc0) (const_int foo)) has no mode information.  Such insns will