| 1 |
0x00010001 |
| 2 |
- add ecb_is_pot32/64. |
| 3 |
- add intptr_t/uintptr_t. |
| 4 |
- add ECB_PTRSIZE. |
| 5 |
- more macros for C/C++ version checks. |
| 6 |
- support C11 atomics for memory fences. |
| 7 |
- support gcc-4.7 atomics for memory fences. |
| 8 |
|
| 9 |
TODO: ecb_restrict_array etc. http://ue.tst.eu/5093eafd713ec5fda776d8065070aa4c.txt |
| 10 |
TODO: ffs/clz |
| 11 |
64 bit variants of everything |
| 12 |
TODO: examples from X for clz/ctz |
| 13 |
TODO: arithmetic right shift |
| 14 |
TODO: template/generic functions for x32/x64 and so on |
| 15 |
TODO: #define ecb_integer_multiples_of(n,d) ((char (*)[d])(n) - (char (*)[d])0) |
| 16 |
TODO: generalised shift |
| 17 |
TODO: #define ECB_FAST_UNALIGNED_ACCESS |
| 18 |
unsigned long gensh(unsigned long v, int x) { |
| 19 |
int a, b; |
| 20 |
a = (v << x) & -(((unsigned int)x) < 32); |
| 21 |
x = -x; |
| 22 |
b = (v >> x) & -(((unsigned int)x) < 32); |
| 23 |
return a|b; |
| 24 |
} |
