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Re: [PATCH][LTO] More type merging fixes

From: Richard Guenther <rguenther at suse dot de>
To: Diego Novillo <dnovillo at google dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 21 Jul 2010 14:23:30 +0200 (CEST)
Subject: Re: [PATCH][LTO] More type merging fixes
References: <alpine.LNX.2.00.1007201634370.1429@zhemvz.fhfr.qr> <4C46E4D4.50401@google.com>

On Wed, 21 Jul 2010, Diego Novillo wrote:

> On 10-07-20 10:40 , Richard Guenther wrote:
> 
> > + static bool saw_cycle;
> > +
> 
> But this prevents multiple concurrent calls to gimple_types_compatible_p!

;)

> Just kidding (well, not so much, but it's clearly not a problem *today*).
> Patch is OK.

:/  Not.  We indeed run into exponential behavior now, for example
with SPEC 2k6 povray.

So I indeed have to resort to yet another SCC finding ...

Richard.

References:
- [PATCH][LTO] More type merging fixes
  - From: Richard Guenther
- Re: [PATCH][LTO] More type merging fixes
  - From: Diego Novillo

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