On Thu, May 3, 2018 at 2:30 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Do you really need the pg_crc32c_armv8_choose_dummy global variable?
> That seems pretty ugly. If you're concerned about the compiler
> optimizing away the call to the crc function, you could write it like
>
> result = (pg_comp_crc32c_armv8(0, 0, 0) == expected-value);
>
> which'd provide a bit of extra checking that the code's not broken,
> too.
True. Of course I needed an interesting length too...
--
Thomas Munro
http://www.enterprisedb.com