Re: [PoC] Improve dead tuple storage for lazy vacuum

On Wed, Mar 6, 2024 at 3:02 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> On Wed, Mar 6, 2024 at 4:41 PM Andres Freund <andres@anarazel.de> wrote:

> > A few ARM buildfarm animals are complaining:
> >
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=parula&dt=2024-03-06%2007%3A34%3A02
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=snakefly&dt=2024-03-06%2007%3A34%3A03
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=massasauga&dt=2024-03-06%2007%3A33%3A18
> >
>
> The error message we got is:
>
> ../../src/include/port/simd.h:326:71: error: incompatible type for
> argument 1 of \342\200\230vshrq_n_s8\342\200\231
>   uint8x16_t masked = vandq_u8(vld1q_u8(mask), (uint8x16_t) vshrq_n_s8(v, 7));
>                                                                        ^
>
> Since 'v' is uint8x16_t I think we should have used vshrq_n_u8() instead.

That sounds plausible, and I'll look further.

(Hmm, I thought we had run this code on Arm already...)