Bernd Roesch <nospamn...@web.de> writes: > Hello Richard > > On 09.03.09, you wrote: > >>> I believe one should convince the middle end to emit libcall >>> for __builtin_xxx when the target has no builtint support. >> >> It of course does. > > On what codeplace is the redefine do in GCC source ?
This is in optabs.c, as set up by gen_libfunc and friends. A call to __builtin_xxx, where xxx is a library function, is normally replaced by a call to xxx. Where xxx is not a library function, gcc normally provides the function in libgcc. Ian
