[AArch64] Fix/revert fallout from machine_mode change

	* config/aarch64/aarch64.h (MACHMODE): Add 'enum' to machine_mode.

From-SVN: r216846

gcc/ChangeLog

 2014-10-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
+	* config/aarch64/aarch64.h (MACHMODE): Add 'enum' to machine_mode.
+
+2014-10-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
 	* config/arm/arm.h (MACHMODE): Add 'enum' to machine_mode.
 	(struct machine_function): Gate definition on
 	!defined(USED_FOR_TARGET).

gcc/config/aarch64/aarch64.h

@@ -611,7 +611,7 @@ enum arm_pcs
 #define MACHMODE int
 #else
 #include "insn-modes.h"
-#define MACHMODE machine_mode
+#define MACHMODE enum machine_mode
 #endif