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Re: version typeinfo for 128bit types
- From: Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>
- To: Marc Glisse <marc dot glisse at inria dot fr>
- Cc: gcc-patches at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
- Date: Thu, 24 Apr 2014 19:10:16 +0200
- Subject: Re: version typeinfo for 128bit types
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot DEB dot 2 dot 02 dot 1404140912130 dot 27139 at stedding dot saclay dot inria dot fr>
Marc Glisse <marc.glisse@inria.fr> writes:
> this is a follow-up for this patch:
> http://gcc.gnu.org/ml/gcc-patches/2014-04/msg00618.html
>
> once committed, g++ will generate typeinfo for __float128, and it needs
> versioning. While there, I noticed that __int128 has "typeinfo" but not
> "typeinfo name", so I am adding it. I manually checked that the new symbols
> were exactly the 12 I expected, with the new version number.
>
> I did not test the gnu-versioned-namespace version.
>
> I manually updated baseline for x86_64. It is awfully inconvenient to do. I
> was expecting "make new-abi-baseline" to generate it for me, but it gives
> me plenty of extra symbols compared to the current one. Some random
> examples:
It shouldn't be necessary to update all baselines whenever you add a new
version to libstdc++.so.6. It seems to me that when you added
CXXABI_1.3.9, you forgot to update
libstdc++-v3/testsuite/util/testsuite_abi.cc for that.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University