tree 478bcb7ce1c824034b05624de125c57d32148de5
parent ac6bc31942e58c8893c0695d9766d0f3e39335fe
author Christopher Ferris <cferris@google.com> 1381864206 -0700
committer Christopher Ferris <cferris@google.com> 1381877040 -0700

Modify prefetch for krait memcpy.

I originally modified the krait mainloop prefetch from cacheline * 8 to * 2.
This causes a perf degradation for copies bigger than will fit in the cache.
Fixing this back to the original * 8. I tried other multiples, but * 8 is th
sweet spot on krait.

Bug: 11221806

(cherry picked from commit c3c58fb560fcf1225d4bfb533ba41add8de910e4)

Change-Id: I369f81d91ba97a3fcecac84ac57dec921b4758c8