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Date: Mon, 4 Oct 2021 19:24:31 +0000
From: Joseph Myers <joseph@codesourcery.com>
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To: Segher Boessenkool <segher@kernel.crashing.org>
CC: Jakub Jelinek <jakub@redhat.com>, <gcc@gcc.gnu.org>, Michael Meissner
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Subject: Re: libgfortran.so SONAME and powerpc64le-linux ABI changes
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On Mon, 4 Oct 2021, Segher Boessenkool wrote:

> Some current Power GCC targets support neither.  Some support only
> double-double.  Making IEEE QP float work on those (that is, those that
> are < power8) will require some work still: it should use libquadmath or
> similar, but that needs to be put into the ABIs, to define how parameter
> passing works for those types.  Just treating it like a struct or an
> array of ints will work fine, but it needs to be written down.  This is
> more than just Fortran.

Is the 64-bit BE (ELFv1) ABI maintained somewhere?  (The 32-bit ABI, 
covering both hard float and soft float, is 
<https://github.com/ryanarn/powerabi> - no activity lately, but I think 
Ryan said he'd given write access to someone still involved with Power.)

-- 
Joseph S. Myers
joseph@codesourcery.com