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Re: [PATCH v2 0/6] Enable float128 on powerpc64le


On Thu, 22 Jun 2017 14:03:39 +0000
Joseph Myers <joseph@codesourcery.com> wrote:

> The following is about future developments after the float128 support is 
> ready and checked in, not about any issues with the patches themselves or 
> requirements for them to be included.
> 
> Once the support is included, I intend to enable it in glibc for the other 
> platforms where GCC supports float128 as ABI-distinct from long double 
> (x86_64, x86, ia64).  (I intend eventually to enable support for *fN / 
> *fNx aliases for existing functions where the types are not ABI-distinct, 
> but I don't expect that to be for 2.26.)
> 
> Do you have any plans for additional float128 toolchain features, such as 
> tgmath.h support, *f128 GCC built-in functions beyond the minimal 
> __builtin_* set present for all _FloatN/_FloatNx types in GCC 7, or 
> libstdc++ support?

My current intention, after the enabling of float128 for powerpc64le is
in, is to start working on transitiong long double from IBM Extended
Precision to IEEE 754 128-bits FP.  This will be only for powerpc64le and
not for glibc 2.26.


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