On Fri, Mar 1, 2013 at 3:50 PM, Uros Bizjak <ubiz...@gmail.com> wrote:
>>> Due to the fact that libFFI does not handle C99 _Complex arguments >>> correctly [1], libgo passes Complex64 and Complex128 arguments via a >>> temporary structure. However, passing parts of complex number in a >>> structure is not the same as passing true C99 _Complex value, so this >>> workaround introduces ABI mismatch between caller and callee. This >>> mismatch results in wrong passed values of complex types. >>> >>> Fortunately all x86 ABIs tolerate this mismatch, but other targets >>> (i.e. alpha) don't have this privilege. >> >> Is there a PR open against libffi? > > Not that I know of, but I can open one if requested. FYI, python is also interested [1] in this enhancement. [1] http://bugs.python.org/issue16899 Uros.