On Tue, Dec 12, 2017 at 04:56:36PM -0500, Michael Meissner wrote: > On Tue, Dec 12, 2017 at 11:04:55AM -0600, Segher Boessenkool wrote: > > On Mon, Dec 11, 2017 at 03:57:51PM -0500, Michael Meissner wrote: > > > > > +extern KCtype __divkc3 (KFtype, KFtype, KFtype, KFtype); > > > > > + > > > > > KCtype > > > > > __divkc3 (KFtype a, KFtype b, KFtype c, KFtype d) > > > > > { > > > > > > > > How does this warn? -Wmissing-declarations? Should this declaration be > > > > in a header then?
> As Andreas points out, the option -Wmissing-prototypes complains if a global > function is compliled without prototypes for C/Objective C. > > Before the patch, the internal definition within the compiler meant that that > __mulkc3 would not get the warning. Now with separate ifunc handlers, both > __mulkc3_sw and __mulkc3_hw got warnings. Gotcha. There isn't a nice header file for it, so sure that is fine the way you have it. Thanks for the explanation! Segher