[Bug driver/56244] -O3 should imply -funroll-loops

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56244

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Severity|normal                      |enhancement

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-08 08:29:44 UTC ---
As noted elsewhere the RTL unroller is too agressive to be enabled by default.
Only the -funroll-loops/ -fpeel-loops effect of the tree level unroller should
be enabled by default.