[Bug rtl-optimization/53533] [4.7/4.8 regression] vectorization causes loop unrolling test slowdown as measured by Adobe's C++Benchmark

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jun 15 09:04:00 GMT 2012


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53533

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-06-15 09:03:04 UTC ---
This started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173856
The current cost model is seriously insufficient.



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