h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.

	* config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.

From-SVN: r158442

gcc/ChangeLog

@@ -20,6 +20,8 @@
 
 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
 
+	* config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
+
 	* config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
 	cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
 	#xx:3 and #xx:4 mode.

gcc/config/h8300/h8300.h

@@ -801,15 +801,12 @@ struct cum_arg
 	   || SYMBOL_REF_FLAG (XEXP (XEXP (XEXP (OP, 0), 0), 0))))	\
    || (GET_CODE (OP) == MEM						\
        && h8300_eightbit_constant_address_p (XEXP (OP, 0)))		\
-   || (GET_CODE (OP) == MEM && TARGET_H8300S				\
+   || (GET_CODE (OP) == MEM && (TARGET_H8300S || TARGET_H8300SX)	\
        && GET_CODE (XEXP (OP, 0)) == CONST_INT))
 
 /* Multi-letter constraints starting with W are to be used for
    operands that require a memory operand, i.e,. that are never used
-   along with register constraints (see EXTRA_MEMORY_CONSTRAINTS).
-   For operands that require a memory operand (or not) but that always
-   accept a register, a multi-letter constraint starting with Y should
-   be used instead.  */
+   along with register constraints (see EXTRA_MEMORY_CONSTRAINTS).  */
 
 #define OK_FOR_WU(OP)					\
   (GET_CODE (OP) == MEM && OK_FOR_U (OP))