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Re: solaris build problem with Sun compilers


  • From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
  • Cc: stange(at)rentec(dot)com, pgsql-ports(at)postgresql(dot)org
  • Subject: Re: solaris build problem with Sun compilers
  • Date: Fri, 12 May 2006 14:22:18 -0400
  • Message-id: <12812.1147458138@sss.pgh.pa.us> <text/plain>

Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Tom Lane wrote:
>> [ shrug... ]  The person who submitted the solaris_sparc.s change failed
>> to provide any evidence that it was anything but cosmetic, so I didn't
>> worry about changing the equivalent gcc code.  If there's actually a
>> performance win, please cite chapter and verse.  Also, shouldn't we be
>> worrying about breaking older Sparc chips?  Does CAS go all the way
>> back?

> I don't think it is a good idea to be using different ASM instructions
> based for different compilers --- they should be the same.

Yeah, and if I'd been applying the patch, the sparc version would have
stayed at ldstub.  Like I say, there was no compelling evidence offered
for changing it.

			regards, tom lane



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