Re: [Qemu-devel] Future of SoftFloat use in QEMU

[Peter Maydell]

On 9 May 2017 at 02:56, Richard Henderson <address@hidden> wrote:
> Another possibility is the code that's shared between the linux kernel
> (include/math-emu) and glibc (soft-fp).  The glibc version has support for
> f16 while the kernel doesn't.  But the glibc version is LGPL 2.1, which I'd
> expect to be ok.
>
> It is mildly nasty in that it's a collection of macros, but that's how we
> managed really good performance with the compiler tech of 15 years ago.  On
> the other hand, it would be fairly easy to adjust the support macros to
> achive source compatibility with our current code.

Having tangled with that collection of macros 15 years ago I
definitely can't recommend it ;-)

thanks
-- PMM