Add MIPS SIMD Arch (MSA) optimized MirrorRow function

source/planar_functions.cc

Index: source/planar_functions.cc
diff --git a/source/planar_functions.cc b/source/planar_functions.cc
index a764f8da4721973fabc3b15df67aec786c9dc4e2..50cd5130fb675e2132b116061f4a8698b36954d0 100644
--- a/source/planar_functions.cc
+++ b/source/planar_functions.cc
@@ -402,7 +402,11 @@ void MirrorPlane(const uint8* src_y, int src_stride_y,
     MirrorRow = MirrorRow_DSPR2;
   }
 #endif
-
+#if defined(HAS_MIRRORROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    MirrorRow = MirrorRow_MSA;
+  }
+#endif

[fbarchard1, 2016/09/19 17:32:41]

Add Any version here too

#if defined(HAS_MIRRORROW_MSA)
  if (TestCpuFlag(kCpuHasMSA)) {
    MirrorRow = MirrorRow_Any_MSA;
  if (IS_ALIGNED(width, 64)) {
    MirrorRow = MirrorRow_MSA;
  }
}
#endif

[manojkumar.bhosale, 2016/09/21 06:30:49]

Done.

   // Mirror plane
   for (y = 0; y < height; ++y) {
     MirrorRow(src_y, dst_y, width);