pg.ddx.io pgsql-hackers@postgresql.org mailing list archive help / color / mirror / Atom feed From: Marina Polyakova <m.polyakova@postgrespro.ru>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: vitus@wagner.pp.ru, Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org, Alvaro Herrera <alvherre@alvh.no-ip.org>
Subject: Re: master make check fails on Solaris 10
Date: Wed, 17 Jan 2018 18:46:13 +0300
Message-ID: <dac03dda4a743d293015b272eb1e6377@postgrespro.ru> (raw )
In-Reply-To: <16720.1516201657@sss.pgh.pa.us >
References: <0d3a9fa264cebe1cb9966f37b7c06e86@postgrespro.ru >
<20180111173938.jimybeayp2u5mmup@alap3.anarazel.de >
<31a342fa6a025a8bdfc5b8b19c29d56d@postgrespro.ru >
<fc3c1b52d2d4121cccfc13635005bbd0@postgrespro.ru >
<1232.1515780057@sss.pgh.pa.us >
<b946893927ccfd87146d8a7c9f3bbe29@postgrespro.ru >
<15299.1515867055@sss.pgh.pa.us >
<a5559105243efcf6fb619d86c5702115@postgrespro.ru >
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<16720.1516201657@sss.pgh.pa.us >
On 17-01-2018 18:07, Tom Lane wrote:
> Marina Polyakova <m.polyakova@postgrespro.ru> writes:
>> investigating the regression diffs, we found out that the error occurs
>> when we pass int128 as not the first argument to the function (perhaps
>> its value is replaced by the value of some address):
>> ...
>> Based on this, we modified the test program (see attached). Here is
>> its
>> output on Solaris 10 for different alignments requirements for int128
>> (on my machine where make check-world passes everything is OK)
>> (ALIGNOF_PG_INT128_TYPE is 16 on Solaris 10):
>
> Excellent. This fails the same way on gcc 5.2.0 and 5.5.0?
As Victor answered in [1]:
> Unfortunately, we have only one Sparc machine and started our
> investigation by upgrading GCC 5.2.0 to GCC 5.5.0, so it is hard to
> downgrade and test with older GCC.
>> Maybe some pass test from int128test2.c can be used to test __int128?
>
> Yeah, I can work with this. What I propose to do is use a somewhat
> stripped-down version of this test as an AC_RUN_IFELSE test normally,
> but if cross-compiling, fall back to just seeing if we can link.
Thanks, I'll try to do this.. And Victor attached a stripped-down
version of this in [1].
> Thanks for investigating!
Thank you! :)
[1]
https://www.postgresql.org/message-id/20180117181359.3a6cc06c%40fafnir.local.vm
--
Marina Polyakova
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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To: pgsql-hackers@postgresql.org
Cc: m.polyakova@postgrespro.ru, tgl@sss.pgh.pa.us, andres@anarazel.de, alvherre@alvh.no-ip.org
Subject: Re: master make check fails on Solaris 10
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