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[Bug middle-end/45422] [4.6 Regression] compile time increases 3x.
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 27 Jan 2011 16:19:39 +0000
- Subject: [Bug middle-end/45422] [4.6 Regression] compile time increases 3x.
- Auto-submitted: auto-generated
- References: <bug-45422-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45422
--- Comment #40 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-27 16:19:26 UTC ---
Btw, when I remove -fbounds-check the sizes are comparable (without
prefetching),
so I guess we are just better in removing bounds checking for 4.6 and that
triggers size-costly loop opts such as vectorization and unrolling.