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[Bug tree-optimization/19788] Inconsistent handling of -1.
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Feb 2005 20:17:38 -0000
- Subject: [Bug tree-optimization/19788] Inconsistent handling of -1.
- References: <20050206131749.19788.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-07 20:17 -------
(In reply to comment #3)
> (In reply to comment #2)
> > (In reply to comment #1)
> Really TREE_OVERFLOW/TREE_CONSTANT_OVERFLOW should go away, there has been some talk
about
> removing them. on the tree level, having that flag set we really say the constant is no longer be able
to
> prograte which causes the real problem.
Note I am talking about:
http://www.srcf.ucam.org/~jsm28/gcc/
"Similarly, it should also be possible to get rid of at least one of TREE_OVERFLOW and
TREE_CONSTANT_OVERFLOW, which also describe what are essentially front-end properties."
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19788