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Re: gcc and LSU rejects

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: Jack Howarth <howarth at bromo dot med dot uc dot edu>
Cc: gcc at gcc dot gnu dot org, Andrew Pinski <pinskia at physics dot uc dot edu>
Date: Sun, 23 Nov 2003 12:24:51 -0800
Subject: Re: gcc and LSU rejects
References: <200311232011.PAA36609@bromo.msbb.uc.edu>

On Nov 23, 2003, at 12:11, Jack Howarth wrote:

    I noticed from Apple's tech notes on optimizing for the G5 that
Load/Store Unit Rejects were cited as a major source of slow downs.
The tech note mentioned that a future version of gcc may include
more support for automatically eliminating LSU rejects. I was
wondering if this change was slated for gcc 3.4 or would be later
coming out of Apple's gcc branch?
             Jack

It is an IBM change that went into the mainline aka for 3.4.


Thanks,
Andrew Pinski

References:
- gcc and LSU rejects
  - From: Jack Howarth

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