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| 47 | # define decltype(x) __decltype(x) |
47 | # define decltype(x) __decltype(x) |
| 48 | #elif GCC_VERSION(3,0) |
48 | #elif GCC_VERSION(3,0) |
| 49 | # define decltype(x) typeof(x) |
49 | # define decltype(x) typeof(x) |
| 50 | #endif |
50 | #endif |
| 51 | |
51 | |
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52 | #define func_const attribute ((const)) |
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53 | #define func_pure attribute ((pure)) |
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54 | #define func_hot attribute ((hot)) // 4.x |
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55 | #define func_cold attribute ((cold) // 4.x |
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56 | |
| 52 | #if GCC_VERSION(4,5) |
57 | #if GCC_VERSION(4,5) |
| 53 | # define unreachable() __builtin_unreachable () |
58 | # define unreachable() __builtin_unreachable () |
| 54 | #else |
59 | #else |
| 55 | // this seems to work fine, but gcc always emits a warning for it :/ |
60 | // this seems to work fine, but gcc always emits a warning for it :/ |
| 56 | static inline void unreachable () attribute ((noreturn)); |
61 | static inline void unreachable () attribute ((noreturn)); |
