Re: SerializeParamList vs machines with strict alignment

Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> writes:
> On Tue, Oct 2, 2018 at 9:49 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Apparently the only somewhat-modern architecture that is resolutely
>> unaligned-unfriendly is MIPS.

> It's been a few years now since I worked on that architecture, but
> Sparc is somewhat-modern and resolutely unaligned-unfriendly. It's
> just that you can optionally install a trap handler that will do super
> slow non-atomic misaligned access in software instead of blowing up
> with SIGBUS. With the Sun toolchain you did that explicitly by
> building with -misalign (though it's possible that more recent
> compilers might be doing that without being asked?).

Interesting ... I suppose we'd have seen that on the Sparc critters,
except that they weren't running with force_parallel_mode = regress
like chipmunk is.

Now I'm tempted to propose that Amit commit *just* the test case
and not the fix, and wait a day to see which buildfarm critters fail.

regards, tom lane