[AArch64, ILP32] 4/6 Define _ILP32 and __ILP32__.

gcc/

	* config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define _ILP32
	and __ILP32__ when the ILP32 model is in use.

From-SVN: r201167

gcc/ChangeLog

 2013-07-23  Yufeng Zhang  <yufeng.zhang@arm.com>
 
+	* config/aarch64/aarch64.h (TARGET_CPU_CPP_BUILTINS): Define _ILP32
+	and __ILP32__ when the ILP32 model is in use.
+
+2013-07-23  Yufeng Zhang  <yufeng.zhang@arm.com>
+
 	* config/aarch64/aarch64.c (POINTER_BYTES): New define.
 	(aarch64_load_symref_appropriately): In the case of
 	SYMBOL_SMALL_ABSOLUTE, use the mode of 'dest' instead of Pmode

gcc/config/aarch64/aarch64.h

@@ -49,6 +49,11 @@
 	    break;					\
 	}						\
 							\
+      if (TARGET_ILP32)					\
+	{						\
+	  cpp_define (parse_in, "_ILP32");		\
+	  cpp_define (parse_in, "__ILP32__");		\
+	}						\
     } while (0)