add: fast 8bit reversal.

2018-01-27 22:20:56 +01:00
parent 60afef3938
commit ede55a1498
5 changed files with 22 additions and 9 deletions
--- a/client/util.h
+++ b/client/util.h
@@ -204,6 +204,7 @@ extern uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
 extern void rol(uint8_t *data, const size_t len);
 extern uint32_t SwapBits(uint32_t value, int nrbits);
 extern uint32_t reflect(uint32_t v, int b);
+extern uint8_t reflect8(uint8_t b);	// dedicated 8bit reversal
 extern uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);

 extern int num_CPUs(void);			// number of logical CPUs