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[Bug tree-optimization/49642] constant part of a macro not optimized away as expected due to splitter
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 09 Jan 2012 21:57:57 +0000
- Subject: [Bug tree-optimization/49642] constant part of a macro not optimized away as expected due to splitter
- Auto-submitted: auto-generated
- References: <bug-49642-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49642
--- Comment #7 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-01-09 21:57:57 UTC ---
I should note that the problem still persists in 4.7 when -fno-tree-fre is
specified.
For 4.6, I am working on a solution along the lines Richi outlined above. We
may want to consider putting that in 4.7 as well for the -fno-tree-fre case.