On August 22, 2019 2:36:47 PM GMT+02:00, Joseph Myers <jos...@codesourcery.com> wrote: >On Thu, 22 Aug 2019, Richard Biener wrote: > >> Not sure if that helps answering your question. In essence, >> this function should tell whether we would emit an UNDEF >> in the end and we want to know that early, at LTO IL generation >> time to communicate this to the linker plugin. Given previous > >To me this sounds like e.g. roundeven and fadd (and, generally, any new > >libm functions we add built-in functions for) *should* be included in >the >list like all the other libm functions, given that on many systems they > >can't be expanded inline for all arguments and so will generate UNDEFs >(and some people might want to get them from a static library) - even >if >some systems' libm might in fact not have those functions.
Yes. Richard.
