Re: -falign-functions=16 for i386/amd64

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Thu, Sep 1, 2016 at 6:45 PM, Joerg Sonnenberger <joerg%bec.de@localhost> wrote:
> On Thu, Sep 01, 2016 at 03:46:15PM +0900, Ryota Ozaki wrote:
>> http://www.netbsd.org/~ozaki-r/align-functions-16.diff
>>
>> The patch adds the option to sys/arch/amd64/conf/Makefile.amd64.
>> Is it a feasible place to add?
>
> There are two small issues I have with this patch:
> (1) I think it should be restricted to GCC with an appropiate comment of
> what this is a workaround for. Clang seems to behave a lot more sensible
> out of the box. If there are CPU models with a different base alignment
> and the user asked for one of them as optimisation target, it should be
> honored IMO.
> (2) This should not touch CFLAGS, but COPTS.

Okay, I see. How about the following patch?
(nonaka@ helped improving Makefile options.)

http://www.netbsd.org/~ozaki-r/align-functions-16.v2.diff

Thanks,
  ozaki-r