Fix some testsuite failures for H8/SX multilibs where short branches where…

    Fix some testsuite failures for H8/SX multilibs where short branches where used when long branches were necessary.

	* config/h8300/h8300.md (H8/SX div patterns): All H8/SX specific
	division instructions are 4 bytes long.

gcc/ChangeLog

+2020-04-29  Jeff Law  <law@redhat.com>
+
+	* config/h8300/h8300.md (H8/SX div patterns): All H8/SX specific
+	division instructions are 4 bytes long.
+
 2020-04-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/94826

gcc/config/h8300/h8300.md

@@ -1218,7 +1218,7 @@
 		  (match_operand:HSI 2 "reg_or_nibble_operand" "r IP4>X")))]
   "TARGET_H8300SX"
   { return <MODE>mode == HImode ? "divu.w\\t%T2,%T0" : "divu.l\\t%S2,%S0"; }
-  [(set_attr "length" "2")])
+  [(set_attr "length" "4")])
 
 (define_insn "div<mode>3"
   [(set (match_operand:HSI 0 "register_operand" "=r")
@@ -1226,7 +1226,7 @@
 		 (match_operand:HSI 2 "reg_or_nibble_operand" "r IP4>X")))]
   "TARGET_H8300SX"
   { return <MODE>mode == HImode ? "divs.w\\t%T2,%T0" : "divs.l\\t%S2,%S0"; }
-  [(set_attr "length" "2")])
+  [(set_attr "length" "4")])
 
 (define_insn "udivmodqi4"
   [(set (match_operand:QI 0 "register_operand" "=r")