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[Bug optimization/14303] [tree-ssa] gcc.c-torture/execute/20020720-1.c is not fully folded
- From: "kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Mar 2004 02:52:31 -0000
- Subject: [Bug optimization/14303] [tree-ssa] gcc.c-torture/execute/20020720-1.c is not fully folded
- References: <20040226014301.14303.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From kazu at cs dot umass dot edu 2004-03-05 02:52 -------
Here is Roger's patch on rtl level.
http://gcc.gnu.org/ml/gcc-patches/2002-07/msg01096.html
Perhaps we can use HONOR_NANS and TYPE_MODE in a way similar to
What Roger did!?
In the following, Roger says "abs(x) < 0.0" is *always* false.
http://gcc.gnu.org/ml/gcc-patches/2002-07/msg01121.html
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14303