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[Bug middle-end/32044] [4.3 regression] udivdi3 counterproductive, unwarranted use
- From: "bunk at stusta dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Nov 2007 17:09:31 -0000
- Subject: [Bug middle-end/32044] [4.3 regression] udivdi3 counterproductive, unwarranted use
- References: <bug-32044-11706@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #23 from bunk at stusta dot de 2007-11-09 17:09 -------
We need a way to globally prevent it in the kernel or it will be a repeating
source of problems there.
Is -fno-tree-scev-cprop a reasonable (and not too expensive) workaround for the
Linux kernel?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32044