Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
422 | giacomo | 1 | /* Never include this file directly. Include <linux/compiler.h> instead. */ |
2 | |||
3 | /* These definitions are for GCC v2.x. */ |
||
4 | |||
5 | /* Somewhere in the middle of the GCC 2.96 development cycle, we implemented |
||
6 | a mechanism by which the user can annotate likely branch directions and |
||
7 | expect the blocks to be reordered appropriately. Define __builtin_expect |
||
8 | to nothing for earlier compilers. */ |
||
9 | #include <linux/compiler-gcc.h> |
||
10 | |||
11 | #if __GNUC_MINOR__ < 96 |
||
12 | # define __builtin_expect(x, expected_value) (x) |
||
13 | #endif |
||
14 | |||
15 | #define __attribute_used__ __attribute__((__unused__)) |
||
16 | |||
17 | /* |
||
18 | * The attribute `pure' is not implemented in GCC versions earlier |
||
19 | * than 2.96. |
||
20 | */ |
||
21 | #if __GNUC_MINOR__ >= 96 |
||
22 | # define __attribute_pure__ __attribute__((pure)) |
||
23 | #endif |