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Re: [PATCH] Fix PR55833 + cheaper checking
- From: Steven Bosscher <stevenb dot gcc at gmail dot com>
- To: Marek Polacek <polacek at redhat dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Zdenek Dvorak <rakdver at iuuk dot mff dot cuni dot cz>, Richard Guenther <rguenther at suse dot de>
- Date: Thu, 10 Jan 2013 18:41:40 +0100
- Subject: Re: [PATCH] Fix PR55833 + cheaper checking
- References: <20130110173143.GD20218@redhat.com>
On Thu, Jan 10, 2013 at 6:31 PM, Marek Polacek wrote:
> + /* We changed the CFG. Recompute irreducible BBs and edges. */
> + mark_irreducible_loops ();
This is a very expensive fix for a really unusual situation.
I don't think this is the right thing to do...
Ciao!
Steven