Pull cpuidle into release branch
[sfrench/cifs-2.6.git] / include / linux / compiler-gcc3.h
1 #ifndef __LINUX_COMPILER_H
2 #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
3 #endif
4
5 /* These definitions are for GCC v3.x.  */
6 #include <linux/compiler-gcc.h>
7
8 #if __GNUC_MINOR__ >= 3
9 # define __used                 __attribute__((__used__))
10 # define __attribute_used__     __used                          /* deprecated */
11 #else
12 # define __used                 __attribute__((__unused__))
13 # define __attribute_used__     __used                          /* deprecated */
14 #endif
15
16 #if __GNUC_MINOR__ >= 4
17 #define __must_check            __attribute__((warn_unused_result))
18 #endif
19
20 /*
21  * A trick to suppress uninitialized variable warning without generating any
22  * code
23  */
24 #define uninitialized_var(x) x = x
25
26 #define __always_inline         inline __attribute__((always_inline))