| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Remove configure --disable-float4-byval and --disable-float8-byval |
| Date: | 2019-12-13 16:25:37 |
| Message-ID: | 24414.1576254337@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> Well, again, I think the proposal here is not get rid of 32-bit
> support, but to have less code that only gets regularly tested on
> 32-bit machines.
That seems like generally a good plan. But as to the specific idea...
> If we made datums 8 bytes everywhere, we would have
> less such code, and very likely fewer bugs.
... it's not entirely clear to me that it'd be possible to do this
without causing a storm of "cast from pointer to integer of different
size" (and vice versa) warnings on 32-bit machines. That would be a
deal-breaker independently of any performance considerations, IMO.
So if anyone wants to pursue this, finding a way around that might be
the first thing to look at.
regards, tom lane
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