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Re: [patch 3.3/3.4/3.5] Fix PR bootstrap/14671

From: Mark Mitchell <mark at codesourcery dot com>
To: John David Anglin <dave at hiauly1 dot hia dot nrc dot ca>
Cc: gcc-patches at gcc dot gnu dot org, gdr at integrable-solutions dot net, rakdver at atrey dot karlin dot mff dot cuni dot cz
Date: Sun, 18 Apr 2004 20:27:38 -0700
Subject: Re: [patch 3.3/3.4/3.5] Fix PR bootstrap/14671
Organization: CodeSourcery, LLC
References: <200404190323.i3J3NvvO001983@hiauly1.hia.nrc.ca>

John David Anglin wrote:

This suggests that Zdenek's patch on March 18 results in the instructions
which use this RTX being removed from the instruction chain but for
some reason we are still using reg_known_value[294].  I'll try to look
into this.

This appears to be what's happening. After gcse, we have:

Thanks for continuing to track this down.

Maybe my patch is the best solution. However, I think Zdenek should look at this.

Yes, please. Zdenek?

--
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com

References:
- Re: [patch 3.3/3.4/3.5] Fix PR bootstrap/14671
  - From: John David Anglin

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