| … | |
… | |
| 101 | /* try to tell the compiler that some condition is definitely true */ |
101 | /* try to tell the compiler that some condition is definitely true */ |
| 102 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
102 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
| 103 | |
103 | |
| 104 | /* count trailing zero bits and count # of one bits */ |
104 | /* count trailing zero bits and count # of one bits */ |
| 105 | #if ECB_GCC_VERSION(3,4) |
105 | #if ECB_GCC_VERSION(3,4) |
| 106 | #define ecb_ctz32(x) __builtin_ctz (x) |
106 | #define ecb_ctz32(x) __builtin_ctz (x) |
| 107 | #define ecb_popcount32(x) __builtin_popcount (x) |
107 | #define ecb_popcount32(x) __builtin_popcount (x) |
| 108 | #else |
108 | #else |
| 109 | ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const; |
109 | ECB_HEADER_INLINE int ecb_ctz32 (uint32_t x) ecb_const; |
| 110 | ECB_HEADER_INLINE |
110 | ECB_HEADER_INLINE |
| 111 | ecb_ctz32 (uint32_t x) |
111 | ecb_ctz32 (uint32_t x) |
