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Re: [Bug tree-optimization/8681] Generates unneeded test

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: Diego Novillo <dnovillo at redhat dot com>
Cc: gcc-bugs at gcc dot gnu dot org, pinskia at gcc dot gnu dot org <gcc-bugzilla at gcc dot gnu dot org>
Date: Sun, 24 Apr 2005 14:10:24 -0400
Subject: Re: [Bug tree-optimization/8681] Generates unneeded test
References: <20021122094603.8681.rf13@inf.tu-dresden.de> <20050424175650.22308.qmail@sourceware.org> <20050424180641.GA19509@topo.toronto.redhat.com>

On Apr 24, 2005, at 2:06 PM, Diego Novillo wrote:

What is the type of 'i'?  If it's unsigned, then we would be
wasting our time.


It is signed, otherwise "i < 0" will always be true and the conditional
would have gotten rid of already.

-- Pinski

References:
- [Bug tree-optimization/8681] Generates unneeded test
  - From: pinskia at gcc dot gnu dot org
- Re: [Bug tree-optimization/8681] Generates unneeded test
  - From: Diego Novillo

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