On Tue, Sep 15, 2020 at 01:51:48PM -0700, Richard Henderson wrote:
> On 9/15/20 1:19 PM, Eduardo Habkost wrote:
> > Once we move to C11, we can just use max_align_t.
>
> Yes.
>
> > While we don't move to C11, why not just use
> > __alignof__(union { long l; void *p; double d; long double ld;})
> > ?
>
> For i386, this is 4.
Is i386-linux the only case where there are additional alignment
guarantees not covered by C99?
I would prefer a i386-linux-specific #ifdef for that case instead
of guessing based on undocumented libc internals.
--
Eduardo