"Oliver Kowalke" <k-oli@gmx.de> writes: > It seams for me that register preserving (between function calls) is > the same as for O32. But I could not figure out which floating point > registers have to be preserved in 32bit and 64 bit EABI ($f20-$f31). Yes, that's right, $f0-$f19 are call-clobbered and $f20-$f31 are call-saved. Richard