On Wed, 28 Sep 2016, Yichao Yu wrote: > >> Except where an external ABI defines things like that, the normal > >> expectation for libgcc functions is that they have the same ABI as for an > >> ordinary C function with the same prototype. That is, since libgcc.texi > >> gives a prototype for __powidf2 without saying anything special about its > >> ABI, and since it is not a function defined in RTABI, it can be taken to > > > > I guess other ppl on the list probably know this but what's the list > > of function in RTABI? > > Is it > http://infocenter.arm.com/help/topic/com.arm.doc.ihi0043d/IHI0043D_rtabi.pdf > ?
Yes, that's the right document. Specifically, section 4.1.2, which defines the floating-point functions that always use the base ABI. -- Joseph S. Myers jos...@codesourcery.com