> Am 19.06.2025 um 08:53 schrieb Jakub Jelinek <ja...@redhat.com>:
>
> On Thu, Jun 19, 2025 at 08:33:10AM +0200, Richard Biener wrote:
>> How does this interact with -mincoming-stack-boundary? Is this, and thus
>> when we need stack realignment, visible here? Do we know whether we need
>> to realign the stack anyway for other reasons?
>
> -mincoming-stack-boundary= like -mpreferred-stack-boundary= argument must
> be [3,12] for -m64 and -mx32 and [2,12] for -m32. The stack pointer is always
> at least word aligned, this patch doesn't change anything about that.
>
> The patch just restores what we had from 2005 except for avr, pru, m68k and
> some
> options on cris where it keeps the current behavior (at least if my greps were
> sufficient, was looking for <= 16 STACK_BOUNDARY on !STACK_ALIGNMENT targets
> with UNITS_PER_WORD bigger than that STACK_BOUNDARY / 8).
I see. The patch is OK then.
Thanks,
Richard
>
> Jakub
>
