Add unitialized_var() macro for suppressing gcc warnings

[linux-2.6] / include / linux / compiler-gcc3.h

diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index a6fa615afab5da1c2fe92da5509e5bab6953829e..ecd621fd27d2415376ea1d123b353edfd2ee7843 100644 (file)
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -3,30 +3,20 @@
 /* These definitions are for GCC v3.x.  */
 #include <linux/compiler-gcc.h>
 
-#if __GNUC_MINOR__ >= 1
-# define inline                inline          __attribute__((always_inline))
-# define __inline__    __inline__      __attribute__((always_inline))
-# define __inline      __inline        __attribute__((always_inline))
-#endif
-
-#if __GNUC_MINOR__ > 0
-# define __deprecated          __attribute__((deprecated))
-#endif
-
 #if __GNUC_MINOR__ >= 3
 # define __attribute_used__    __attribute__((__used__))
 #else
 # define __attribute_used__    __attribute__((__unused__))
 #endif
 
-#define __attribute_pure__     __attribute__((pure))
-#define __attribute_const__    __attribute__((__const__))
-
-#if __GNUC_MINOR__ >= 1
-#define  noinline              __attribute__((noinline))
-#endif
-
 #if __GNUC_MINOR__ >= 4
 #define __must_check           __attribute__((warn_unused_result))
 #endif
 
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+#define __always_inline                inline __attribute__((always_inline))