Richard Henderson schrieb: > On 06/17/2011 02:20 AM, Georg-Johann Lay wrote: >> Richard Henderson schrieb: >>> On 06/15/2011 02:47 AM, Georg-Johann Lay wrote: >> >> Yes, you are right. Following patchlet ok? >> >> Johann >> >> * config/avr/libgcc.S (__ctzsi2, __ctzhi2): >> Map zero to 255. > > You'd also delete the COUNT_LEADING_ZEROS_0 definition in longlong.h. > > r~
__clzsi2(0) still returns 32 as it does not use ctz. So if implementation of ctz affects validity of COUNT_LEADING_ZEROS_0 that's bit confusing... Johann
