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Re: Issue with delay slot scheduling?

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Mohamed Shafi <shafitvm at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: Tue, 6 Sep 2011 17:33:05 +0200
Subject: Re: Issue with delay slot scheduling?
References: <CAEsx6gk8qJZuMsBJA6dHyXZ34126xJA_QFyfkVY8fLGu4ifrrw@mail.gmail.com>

> I am doing a private port in GCC 4.5.1. For the my target i see some
> strange behavior in delay slot scheduling. For my target the
> instruction in the delay slots gets executed irrespective of whether
> the branch is taken or not. 

Early 4.5.x releases have known bugs in this area.  You'd need to upgrade to 
4.5.3 at least (or use the SVN 4.5 branch).  That being said, targets with 
multiple delay slots are indeed relatively untested.

-- 
Eric Botcazou

References:
- Issue with delay slot scheduling?
  - From: Mohamed Shafi

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