(mulsi3): Changed into define_expand.

(mulsi3): Changed into define_expand.  Split insn into m68k and
coldfire specific versions with appropriate constraints.

From-SVN: r13798

gcc/config/m68k/m68k.md

@@ -2890,11 +2890,25 @@
 #endif
 }")
 
-(define_insn "mulsi3"
+(define_expand "mulsi3"
+  [(set (match_operand:SI 0 "general_operand" "")
+	(mult:SI (match_operand:SI 1 "general_operand" "")
+		 (match_operand:SI 2 "general_operand" "")))]
+  "TARGET_68020 || TARGET_5200"
+  "")
+
+(define_insn ""
   [(set (match_operand:SI 0 "general_operand" "=d")
 	(mult:SI (match_operand:SI 1 "general_operand" "%0")
 		 (match_operand:SI 2 "general_operand" "dmsK")))]
-  "TARGET_68020 || TARGET_5200"
+  "TARGET_68020"
+  "muls%.l %2,%0")
+
+(define_insn ""
+  [(set (match_operand:SI 0 "general_operand" "=d")
+	(mult:SI (match_operand:SI 1 "general_operand" "%0")
+		 (match_operand:SI 2 "general_operand" "d<>")))]
+  "TARGET_5200"
   "muls%.l %2,%0")
 
 (define_insn "umulhisi3"