[Bug tree-optimization/25621] Missed optimization when unrolling the loop (splitting up the sum) (only with -ffast-math)

[eres at il dot ibm dot com]

------- Comment #5 from eres at il dot ibm dot com  2007-07-04 08:57 -------
You can also try to tune --param max-variable-expansions-in-unroller. The
default is to add one expansion (which seems to be the most helpful due to the
fact that adding more expansions can increase register pressure).


-- 

eres at il dot ibm dot com changed:

           What    |Removed                     |Added
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                 CC|                            |eres at il dot ibm dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25621