Test compile: mpn_lshift_com optimization 2

[Niels Möller]

Emmanuel Thomé <Emmanuel.Thome at inria.fr> writes:

> On Wed, Jan 04, 2017 at 03:08:57PM +0100, Niels Möller wrote:
>> I'm also a bit puzzled. And after a quick look, I can't find any
>> lshift_com function in mul_fft.c (or anywhere else but acinclude.m4).
>
> It's mpn_lshiftc (and by the way the comment in ./mpn/generic/lshiftc.c
> is misleading -- lshiftc is not lshift).

Interesting. I thought that mpn_lshiftc was analogous to, e.g.,
mpn_add_nc and mpn_addmul_1c, with an additional argument providing the
bits to be shifted in. But it seems I were completely wrong.

Regards,
/Niels

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