compiler-gcc4.h: Reorder macros based upon gcc ver

This helps to keep the file from getting confusing, removes one
duplicate version check and should encourage future editors to put new
macros where they belong.
Signed-off-by: NDaniel Santos <daniel.santos@pobox.com>
Acked-by: NDavid Rientjes <rientjes@google.com>
Acked-by: NBorislav Petkov <bp@alien8.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Joe Perches <joe@perches.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

include/linux/compiler-gcc4.h

@@ -13,6 +13,10 @@
 #define __must_check 		__attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
 
+#if __GNUC_MINOR__ > 0
+# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
+#endif
+
 #if __GNUC_MINOR__ >= 3
 /* Mark functions as cold. gcc will assume any path leading to a call
    to them will be unlikely.  This means a lot of manual unlikely()s
@@ -33,6 +37,12 @@
 
 #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
 
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+#endif /* __GNUC_MINOR__ >= 3 */
+
 #if __GNUC_MINOR__ >= 5
 /*
  * Mark a position in code as unreachable.  This can be used to
@@ -48,8 +58,7 @@
 /* Mark a function definition as prohibited from being cloned. */
 #define __noclone	__attribute__((__noclone__))
 
-#endif
-#endif
+#endif /* __GNUC_MINOR__ >= 5 */
 
 #if __GNUC_MINOR__ >= 6
 /*
@@ -58,13 +67,6 @@
 #define __visible __attribute__((externally_visible))
 #endif
 
-#if __GNUC_MINOR__ > 0
-#define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
-#endif
-#if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__)
-#define __compiletime_warning(message) __attribute__((warning(message)))
-#define __compiletime_error(message) __attribute__((error(message)))
-#endif
 
 #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
 #if __GNUC_MINOR__ >= 4