Re: [PoC] Improve dead tuple storage for lazy vacuum - Mailing list pgsql-hackers

On Wed, Mar 6, 2024 at 3:02 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> ../../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.

I've looked around and it seems clang is more lax on conversions.
Since it works fine for clang, I think we just need a cast here for
gcc. I've attached a blind attempt at a fix -- I'll apply shortly
unless someone happens to test and find it doesn't work.