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

[matt at use dot net]

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

--- Comment #15 from Matt Hargett <matt at use dot net> 2012-06-14 18:01:31 UTC 
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(In reply to comment #14)
> Mine, at least for a 4.8 solution.

What enhancement to 4.7 caused the regression? Can whatever the change was be
(partially) reverted to lessen the impact?