This is the mail archive of the
mailing list for the glibc project.
Re: [PATCH] x86-64: Add sinf with FMA
On Mon, Dec 4, 2017 at 10:56 AM, Joseph Myers <firstname.lastname@example.org> wrote:
> On Mon, 4 Dec 2017, H.J. Lu wrote:
>> > With new s_sinf.c generic implementation, does x86_64 still require an
>> > assembly one?
>> They are very close. But assembly version is a little bit faster.
> There may well be scope for further performance tuning of the generic
There are a couple differences. Among them:
(*__errno_location ()) = xxx
faster? On x86-64, there should be no call to __floor.