[cfe-dev] Clang/LLVM Member Function Pointers size and behavior?

[João Matos]

AFAIK MS name mangling in x64 is pretty broken atm. See
http://llvm.org/bugs/show_bug.cgi?id=13792

Why do you need member pointer compatiblity with MSVC even when using
Itanium ABI?

On Tue, Oct 16, 2012 at 8:30 PM, Devid <DevOmem at web.de> wrote:

>
> Ok this is clear that changing ItaniumCXXABI is not the solution.
> Another idea would be to derive MicrosoftCXXABI (another one ?) from
> ItaniumCXXABI and then overload EmitLoadOfMemberFunctionPointer() ...
>
> The point is Itanium ABI is working well (in my cases) on Windows x64 so
> apparently Itanium ABI is much more similar to MS ABI in x64 as does in
> x32.
>
> Using -Xclang -cxx-abi -Xclang microsoft  (CXXABI_Microsoft) just break
> anything.
>
> > Well, but this obviously doesn't give you any MSVC compatibility.
> No Name Mangling is not the same as code generation.
> If you can compile everything using the same Mangling then this is not the
> problem any more even on Windows.
>
>
>
>
>
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-- 
João Matos
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