https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838

--- Comment #96 from Viktor Ostashevskyi <ostash at ostash dot kiev.ua> ---
Honestly, I don't see how your compiler flags could help. cost-model=cheap
is default, data-alignment doesn't change incoming stack alignment.

ср, 15 січ. 2020, 14:31 користувач mahatma at eu dot by <
gcc-bugzi...@gcc.gnu.org> пише:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838
>
> --- Comment #95 from Dzianis Kahanovich <mahatma at eu dot by> ---
> Just FYI. Novadays, on my Thinkpad tablet with Atom (32 bit userspace
> Gentoo),
> I globally replace patch/-mstackrealign to "-fvect-cost-model=cheap
> -fsimd-cost-model=cheap -malign-data=cacheline" and all works fine for -O3
> +.
> (This is dirty example, as cacheline for some old SSE CPUs are different,
> etc).
>
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