Re: define pg_structiszero(addr, s, r)

Hi,

On Tue, Nov 05, 2024 at 05:08:41PM +1300, David Rowley wrote:
> I was happy enough with my patch with Bertrand's comments.  I'm not
> sure why unsigned chars are better than chars. It doesn't seem to have
> any effect on the compiled code.
> 

I think that unsigned chars is better than char for byte level memory
operations (no sign extension issues).

Though I agree that using char in this function is not an issue as p is only
compared with 0. This is more a matter of taste here.

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
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