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[Bug target/36669] Wrong versioning for __float128
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jun 2008 13:34:37 -0000
- Subject: [Bug target/36669] Wrong versioning for __float128
- References: <bug-36669-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from hjl dot tools at gmail dot com 2008-06-30 13:34 -------
(In reply to comment #3)
> Subject: Re: Wrong versioning for __float128
>
> On Mon, 30 Jun 2008, hjl dot tools at gmail dot com wrote:
>
> > BTW, it turns out that gcc 4.3 has those __float128 functions in libgcc.a.
> > That means all __float128 functions are linked in as hidden functions.
> > Changing to @GCC_4.3.0 won't make any differences since the ones in
> > libgcc_s.so are never used.
>
> They are used if the compiler uses shared libgcc, which is the default for
> C++ compilations, for example.
How many C++ applications use __float128 on Linux/x86-64? There is no
complete run-time support for it. FWIW, there is no gdb support for
__float128 either.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36669