tree a7d214e37896cdb3a6a64f1d1bbfa8ececfacc65
parent 0c0d971dd2ec5edd6d2432ec99ab93c0daa2597c
author Cherma Rajan A <cherma.rajan@ittiam.com> 1596110904 +0530
committer Yunqing Wang <yunqingwang@google.com> 1596560052 +0000

Refactor prune_compound_using_single_ref speed feature

Simplify the code to find last single mode index for a compound
mode pruning speed feature.

            Instruction Count
cpu-used      Reduction(%)
   0            0.472
   1            1.038
   2            1.551
   3            2.581
   4            2.853
   5            2.012
   6            2.453

Change-Id: I223bcdf6262d46efb62841699e3e00efdefd292a