[Bug tree-optimization/49352] [4.7 Regression] -fcompare-debug failure with -O2 -ftree-vectorize

[irar at il dot ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49352

--- Comment #7 from Ira Rosen <irar at il dot ibm.com> 2011-06-10 13:30:52 UTC ---
(In reply to comment #6)
> Actually, should vect_is_slp_reduction be called at all if check_reduction
> is false?  I think without check_reduction e.g. nothing ensures that code is
> commutative and associative...

Do you mean to avoid swapping of operands? We can pass a parameter to indicate
whether to swap. But I am ok with not calling it at all.

Thanks,
Ira