http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47442
Ian Lance Taylor <ian at airs dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ian at airs dot com --- Comment #4 from Ian Lance Taylor <ian at airs dot com> 2011-01-25 06:18:47 UTC --- The alternative ABI is just slightly different. When using the 68881, floating point values are returned in %fp0. When not using it, floating point values are returned in %d0 or %d0/%d1.