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[Bug tree-optimization/23181] [4.1 Regression] Dominator opts slows down bresenham line drawing by roughly 20%
- 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: 1 Aug 2005 14:50:11 -0000
- Subject: [Bug tree-optimization/23181] [4.1 Regression] Dominator opts slows down bresenham line drawing by roughly 20%
- References: <20050801143216.23181.hubicka@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-01 14:50 -------
(In reply to comment #3)
> BTW, ax and ay are used uninitialized here, and mainline doesn't warn about this.
> Weird.
Not really that weird, the warning problem is PR 18501.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23181