On Saturday 18 November 2006 00:30, Shaun Jackman wrote: > The following macro expands to some rather frightful code on the AVR: > > #define BSWAP_16(x) \ > ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
Sometimes gcc is generating better code if you cast
values instead of masking. Try:
( (uint8_t)((x) >> 8) | ((uint8_t)(x)) << 8 )
--
vda
