Mercurial > crc32
annotate crc32c.c @ 3:6483683ac857 default tip
*: add profiling code too; expand x86 to use all eight XMM registers
basically ported verbatim from the assembly
| author | Paper <paper@tflc.us> |
|---|---|
| date | Mon, 09 Feb 2026 21:30:30 -0500 |
| parents | 422835bc1aca |
| children |
| rev | line source |
|---|---|
| 0 | 1 #include "crc32i.h" |
| 2 | |
| 3 uint32_t crc32c_r(uint32_t crc, const unsigned char *message, size_t sz) | |
| 4 { | |
|
3
6483683ac857
*: add profiling code too; expand x86 to use all eight XMM registers
Paper <paper@tflc.us>
parents:
0
diff
changeset
|
5 while (sz--) |
|
6483683ac857
*: add profiling code too; expand x86 to use all eight XMM registers
Paper <paper@tflc.us>
parents:
0
diff
changeset
|
6 crc = (crc >> 8) ^ crc32_tab[(crc ^ *message++) & 0xFF]; |
| 0 | 7 |
| 8 return crc; | |
| 9 } |
