(FUNCTION_VALUE): Use INTEGRAL_MODE_P rather than

        checking the type against various integral and pointer types.

From-SVN: r8454

gcc/config/alpha/alpha.h

@@ -717,12 +717,7 @@ enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS,
 
 #define FUNCTION_VALUE(VALTYPE, FUNC)	\
   gen_rtx (REG,						\
-	   ((TREE_CODE (VALTYPE) == INTEGER_TYPE	\
-	     || TREE_CODE (VALTYPE) == ENUMERAL_TYPE	\
-	     || TREE_CODE (VALTYPE) == BOOLEAN_TYPE	\
-	     || TREE_CODE (VALTYPE) == CHAR_TYPE	\
-	     || TREE_CODE (VALTYPE) == POINTER_TYPE	\
-	     || TREE_CODE (VALTYPE) == OFFSET_TYPE)	\
+	   (INTEGRAL_MODE_P (TYPE_MODE (VALTYPE))	\
 	    && TYPE_PRECISION (VALTYPE) < BITS_PER_WORD) \
 	   ? word_mode : TYPE_MODE (VALTYPE),		\
 	   TARGET_FPREGS && TREE_CODE (VALTYPE) == REAL_TYPE ? 32 : 0)