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Re: Problem with the special live analyzer in global alloc

From: Bernd Schmidt <bernds_cb1 at t-online dot de>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: Andreas Krebbel <krebbel1 at de dot ibm dot com>, gcc at gcc dot gnu dot org, James E Wilson <wilson at specifixinc dot com>
Date: Tue, 23 Aug 2005 17:06:09 +0200
Subject: Re: Problem with the special live analyzer in global alloc
References: <20050816135150.GA3617@de.ibm.com> <1124201649.18266.32.camel@MAMBA> <20050823142854.GA3695@de.ibm.com> <430B3646.7030202@t-online.de> <1124809003.7123.14.camel@linux.site>

Daniel Berlin wrote:

If you make them all defined, then it's going to be live where it wasn't
before, even though it's not really *used* over those paths.

The idea is to put the initialization insns only on the paths where the register will be uninitialized.

Bernd

Follow-Ups:
- Re: Problem with the special live analyzer in global alloc
  - From: Steven Bosscher
- Re: Problem with the special live analyzer in global alloc
  - From: Daniel Berlin

References:
- Problem with the special live analyzer in global alloc
  - From: Andreas Krebbel
- Re: Problem with the special live analyzer in global alloc
  - From: Daniel Berlin
- Re: Problem with the special live analyzer in global alloc
  - From: Andreas Krebbel
- Re: Problem with the special live analyzer in global alloc
  - From: Bernd Schmidt
- Re: Problem with the special live analyzer in global alloc
  - From: Daniel Berlin

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