[Bug target/54686] std::abs (long long) resorts to std::abs (double) if llabs is absent

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54686



--- Comment #13 from Marc Glisse <glisse at gcc dot gnu.org> 2012-09-23 
22:21:35 UTC ---

Created attachment 28256

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28256

always define abs(long long)



This is what I had in mind (this abs(long long) is not a fallback, that's the

only implementation there is currently). Completely untested.



Oleg, do you want to experiment with something like that?