| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Zeugswetter Andreas DCP SD <ZeugswetterA(at)spardat(dot)at> |
| Cc: | Taral <taralx(at)gmail(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] ANSI-strict pointer aliasing rules |
| Date: | 2006-04-27 14:27:35 |
| Message-ID: | 200604271427.k3RERaj19992@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Zeugswetter Andreas DCP SD wrote:
>
> > > 4. Find the option for disabling strict alias and get configure to
> add
> > > that.
> >
> > You'll still lose performance, but the option is "-qalias=noansi".
>
> My old xlc does not show that option, it is unfortunately version
> specific.
> The currently compatible option to turn it off would be -qnoansialias
>
> So we can use:
> xlc -qnoansialias
>
> The default cc options are: -qlanglvl=extended -qnoro -qnoroconst
> So I guess we could also use (but above is imho clearer/better):
> cc -qro -qroconst -qlanglvl=extc89
OK, patch attached and applied to use -qnoansialias in xlc. We can
consider backpatching this to 8.1.X.
--
Bruce Momjian http://candle.pha.pa.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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| /bjm/diff | text/x-diff | 616 bytes |
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