From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | "Andrew Dunstan" <andrew(at)dunslane(dot)net> |
Cc: | ntufar(at)gmail(dot)com, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: apparent problem on linux/s390 |
Date: | 2004-12-07 15:13:13 |
Message-ID: | 15190.1102432393@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
"Andrew Dunstan" <andrew(at)dunslane(dot)net> writes:
>> Hercules is a tested and proved emulator but I have a vague doubt
>> that it's IEEE FPU emulation may be slightly different from the
>> real iron's one.
> Maybe we should mark the buildfarm member as "s390 emulator" ?
> Meanwhile, if anyone knows of real big iron that could join the buildfarm
> that would also be good.
I can't put it in the buildfarm ;-) but I have access to real s390
hardware inside Red Hat. I'll try to run a test build and see whether
the regression tests pass.
I would expect that s390 floating point is not even remotely
IEEE-compliant; they'd have stuck with the S/360 behavior which predates
the IEEE spec by probably 20 years. Whether it's worth generating
variant regression files for this arch, I don't know.
regards, tom lane
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