[Bug tree-optimization/57534] [4.8. 4.9 Regression]: Performance regression versus 4.7.3, 4.8.1 is ~15% slower

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Jun 5 20:12:00 GMT 2013


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57534

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |wschmidt at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with SLSR addition, guess you can get the performance back with
-fno-tree-slsr.  Anyway, I wonder why ivopts hasn't created TARGET_MEM_REFs for
these, I bet then SLSR wouldn't change those.



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