(mulsidi3 patterns): Fix typo, LSHIFTRT was ASHIFT.

From-SVN: r5947

gcc/config/m68k/m68k.md

@@ -2575,9 +2575,9 @@
 	  (mult:SI (match_operand:SI 1 "register_operand" "")
 		   (match_operand:SI 2 "nonimmediate_operand" "")))
      (set (subreg:SI (match_dup 0) 0)
-	  (truncate:SI (ashift:DI (mult:DI (sign_extend:DI (match_dup 1))
-					   (sign_extend:DI (match_dup 2)))
-				  (const_int 32))))])]
+	  (truncate:SI (lshiftrt:DI (mult:DI (sign_extend:DI (match_dup 1))
+					     (sign_extend:DI (match_dup 2)))
+				    (const_int 32))))])]
   "TARGET_68020"
   "")
 
@@ -2586,9 +2586,9 @@
 	(mult:SI (match_operand:SI 1 "register_operand" "%0")
 		 (match_operand:SI 2 "nonimmediate_operand" "dm")))
    (set (match_operand:SI 3 "register_operand" "=d")
-	(truncate:SI (ashift:DI (mult:DI (sign_extend:DI (match_dup 1))
-					 (sign_extend:DI (match_dup 2)))
-				(const_int 32))))]
+	(truncate:SI (lshiftrt:DI (mult:DI (sign_extend:DI (match_dup 1))
+					   (sign_extend:DI (match_dup 2)))
+				  (const_int 32))))]
   "TARGET_68020"
   "muls%.l %2,%3:%0")
 
@@ -2597,9 +2597,9 @@
 	(mult:SI (match_operand:SI 1 "register_operand" "%0")
 		 (match_operand:SI 2 "const_int_operand" "n")))
    (set (match_operand:SI 3 "register_operand" "=d")
-	(truncate:SI (ashift:DI (mult:DI (sign_extend:DI (match_dup 1))
-					 (match_dup 2))
-				(const_int 32))))]
+	(truncate:SI (lshiftrt:DI (mult:DI (sign_extend:DI (match_dup 1))
+					   (match_dup 2))
+				  (const_int 32))))]
   "TARGET_68020
    /* This test is a noop on 32 bit machines,
       but important for a cross-compiler hosted on 64-bit machines.  */