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Re: ifcvt/crossjump patch: Fix PR 42496, 21803

From: Bernd Schmidt <bernds at codesourcery dot com>
To: Jeff Law <law at redhat dot com>
Cc: Eric Botcazou <ebotcazou at adacore dot com>, gcc-patches at gcc dot gnu dot org, Steven Bosscher <stevenb dot gcc at gmail dot com>, Jim Wilson <wilson at codesourcery dot com>
Date: Mon, 20 Sep 2010 12:03:23 +0200
Subject: Re: ifcvt/crossjump patch: Fix PR 42496, 21803
References: <4BB3CCCA.7000600@codesourcery.com> <201004101235.54302.ebotcazou@adacore.com> <4BC62EB2.40609@codesourcery.com> <201004200005.53901.ebotcazou@adacore.com> <4C460A1F.4000509@codesourcery.com> <4C56EABB.4030401@redhat.com> <4C56EB55.7010408@codesourcery.com> <4C56ECB1.9060302@redhat.com> <4C56EF21.1060801@codesourcery.com> <4C58232D.8090805@codesourcery.com> <4C58329F.6010902@redhat.com> <4C583639.9070704@codesourcery.com> <4C584E0E.2040408@redhat.com> <4C596CA5.2060207@codesourcery.com> <4C7BCCFA.90409@codesourcery.com>

On 08/30/2010 05:23 PM, Bernd Schmidt wrote:

On 08/04/2010 03:35 PM, Bernd Schmidt wrote:

On 08/03/2010 07:12 PM, Jeff Law wrote:

OK.  WRT the comment, we might want to just say that BB_MODIFIED is set
at the same time as a block is marked dirty, but is not cleared during a
df_analyze allowing a pass to update the DF information and still know
what blocks were modified.

New patch below.


Ping^2.
http://gcc.gnu.org/ml/gcc-patches/2010-08/msg00280.html

Bernd

Follow-Ups:
- Re: ifcvt/crossjump patch: Fix PR 42496, 21803
  - From: Jeff Law

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