[Bug tree-optimization/45021] Redundant prefetches for the vectorized loop

[changpeng dot fang at amd dot com]

------- Comment #1 from changpeng dot fang at amd dot com  2010-07-21 18:26 -------
The direct reason is that prefetching could not differentiate the base
addresses
of the vectorized load and store (of a[i]):
*vect_pa.6_24
*vect_pa.19_37


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45021