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422 | giacomo | 1 | /* Never include this file directly. Include <linux/compiler.h> instead. */ |
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3 | /* These definitions are for GCC v2.x. */ |
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5 | /* Somewhere in the middle of the GCC 2.96 development cycle, we implemented |
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6 | a mechanism by which the user can annotate likely branch directions and |
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7 | expect the blocks to be reordered appropriately. Define __builtin_expect |
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8 | to nothing for earlier compilers. */ |
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9 | #include <linux/compiler-gcc.h> |
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10 | |||
11 | #if __GNUC_MINOR__ < 96 |
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12 | # define __builtin_expect(x, expected_value) (x) |
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13 | #endif |
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14 | |||
15 | #define __attribute_used__ __attribute__((__unused__)) |
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16 | |||
17 | /* |
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18 | * The attribute `pure' is not implemented in GCC versions earlier |
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19 | * than 2.96. |
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20 | */ |
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21 | #if __GNUC_MINOR__ >= 96 |
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22 | # define __attribute_pure__ __attribute__((pure)) |
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23 | #endif |