From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Richard Biener <rguenther@suse.de>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH][1/2] Make SCCVN use conditional equivalences
Date: Wed, 12 Aug 2015 14:32:00 -0000 [thread overview]
Message-ID: <20150812143251.GC403@x4> (raw)
In-Reply-To: <alpine.LSU.2.11.1508120929480.19642@zhemvz.fhfr.qr>
On 2015.08.12 at 09:32 +0200, Richard Biener wrote:
>
> This is the first patch in the series to make SCCVN able to remove
> redundant comparisons by recording conditionals being true on
> visited edges. This part of the series fully transitions the
> toplevel walk gathering entries to SCCs we value-number to the
> DOM walk which at the moment only visits last stmts of BBs.
> After this series we can safely insert expressions into the
> SCCVN tables temporarily for uses dominated by the stmt generating
> them.
This patch caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67191
--
Markus
prev parent reply other threads:[~2015-08-12 14:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 7:33 Richard Biener
2015-08-12 14:32 ` Markus Trippelsdorf [this message]
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