re PR middle-end/11821 (Operator implementation as a library call fails with constants)

	PR middle-end/11821
	* config/arm/arm.c (arm_rtx_costs_1): Improve estimate of the code
	size for calls to libgcc's div & mod subroutines when using -Os.

From-SVN: r73706

gcc/ChangeLog

+2003-11-18  Roger Sayle  <roger@eyesopen.com>
+
+	PR middle-end/11821
+	* config/arm/arm.c (arm_rtx_costs_1): Improve estimate of the code
+	size for calls to libgcc's div & mod subroutines when using -Os.
+
 2003-11-18  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.c (change_decl_assembler_name): Avoid bogus warnings.

gcc/config/arm/arm.c

@@ -3210,7 +3210,9 @@ arm_rtx_costs_1 (rtx x, enum rtx_code code, enum rtx_code outer)
 
     case DIV:
     case MOD:
-      return 100;
+    case UDIV:
+    case UMOD:
+      return optimize_size ? COSTS_N_INSNS (2) : 100;
 
     case ROTATE:
       if (mode == SImode && GET_CODE (XEXP (x, 1)) == REG)