[Bug libstdc++/17140] Floating point output is slow

[pinskia at gcc dot gnu dot org]

------- 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.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17140