Commit | Line | Data |
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94f582f8 RD |
1 | #ifndef __LINUX_COMPILER_H |
2 | #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." | |
3 | #endif | |
1da177e4 LT |
4 | |
5 | /* These definitions are for GCC v3.x. */ | |
6 | #include <linux/compiler-gcc.h> | |
7 | ||
1da177e4 | 8 | #if __GNUC_MINOR__ >= 3 |
0d7ebbbc DR |
9 | # define __used __attribute__((__used__)) |
10 | # define __attribute_used__ __used /* deprecated */ | |
1da177e4 | 11 | #else |
0d7ebbbc DR |
12 | # define __used __attribute__((__unused__)) |
13 | # define __attribute_used__ __used /* deprecated */ | |
1da177e4 LT |
14 | #endif |
15 | ||
1da177e4 LT |
16 | #if __GNUC_MINOR__ >= 4 |
17 | #define __must_check __attribute__((warn_unused_result)) | |
18 | #endif | |
19 | ||
94909914 BP |
20 | /* |
21 | * A trick to suppress uninitialized variable warning without generating any | |
22 | * code | |
23 | */ | |
24 | #define uninitialized_var(x) x = x | |
25 | ||
40fc55cb | 26 | #define __always_inline inline __attribute__((always_inline)) |