------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-21 19:42 ------- (In reply to comment #31) > The power4 segfault occurs in frexpl() in libc, which is a result of calling > __builtin_frexpl() inside std::frexp(long double). I was wondering if it > might > be a problem in long double representation. I think ppc uses 64 bit long > double, which made me think that it should be calling frexp under the covers > rather than frexpl.
PPC AIX uses 128bit long doubles. There are a couple of different issues for 128bit long double support in gcc for PPC, see PR 19019 for one of them, in fact that might be the problem here but I don't know. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17140