Peter Maydell <peter.mayd...@linaro.org> writes:

> On 4 February 2018 at 04:11, Richard Henderson
> <richard.hender...@linaro.org> wrote:
>> Or there's the code from glibc.  I know Peter didn't like the idea;
>> debugging this code is fairly painful -- the massive preprocessor
>> macros mean that you can't step through anything.  But at least we
>> have a good relationship with glibc, so merging patches back and
>> forth should be easy.
>
> Yeah. I didn't like dealing with this code two decades ago
> when I first encountered it, and it hasn't improved any.
> It's pretty much write-only code, and it isn't going to be
> any fun for debugging.

I think I've managed to pull the performance back on softfloat-v4 thanks
to the attribute(flatten) changes to addsub/div/mul/mulladd.

--
Alex Bennée

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