avr-c.c (avr_cpu_cpp_builtins): Restore built-in defines for __UINT24_MAX__...

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
	defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
	unintentionally removed in r184616.

From-SVN: r184692

gcc/ChangeLog

+2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
+
+	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
+	defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
+	unintentionally removed in r184616.
+
 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 
 	* doc/invoke.texi: Document AMD bdver2 and remove mentioning

gcc/config/avr/avr-c.c

@@ -165,9 +165,8 @@ avr_cpu_cpp_builtins (struct cpp_reader *pfile)
           }
     }
 
-  /* Define builtin macros so that the user can
-     easily query if or if not a specific builtin
-     is available. */
+  /* Define builtin macros so that the user can easily query if or
+     if not a specific builtin is available. */
 
   for (i = 0; avr_builtin_name[i]; i++)
     {
@@ -176,4 +175,10 @@ avr_cpu_cpp_builtins (struct cpp_reader *pfile)
 
       cpp_define (pfile, avr_toupper (Name, name));
     }
+
+  /* Builtin macros for the __int24 and __uint24 type.  */
+
+  cpp_define (pfile, "__INT24_MAX__=8388607L");
+  cpp_define (pfile, "__INT24_MIN__=(-__INT24_MAX__-1)");
+  cpp_define (pfile, "__UINT24_MAX__=16777215UL");
 }