Wolfgang Denk <w...@denx.de> wrote on 17/10/2009 21:34:54: > > Dear Joakim Tjernlund, > > In message <OFEC00B9FB.B03AA854-ONC1257652.00644350-C1257652. > 00651...@transmode.se> you wrote: > > > > > Recompile and relink it with soft-fp as well. Or ask the provider to > > > do that. > > > > That is what I am trying do/find out. The supplier claims that > > it should not be a problem and is ATM unwilling to recompile the app/libs. > > I am not convinced won't cause problems, not to mention performance > > degradation. > > If the application is really using FP instructions a lot, then there > is a huge difference between using soft-float and MATH_EMU; I > remember test cases where soft-float was faster by factors of > 500...1000.
Ouch, I had no idea that it could be that much. > > > OK, but then you don't mix some libs/apps with soft and other > > apps/libs with hard FP? > > No, we never tried that. Sounds scary to me. Yes, it did to me too. That is why I figured I should ask on the list. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev