Optimize BlendPlane SIMD support for odd width.

source/row_any.cc

Index: source/row_any.cc
diff --git a/source/row_any.cc b/source/row_any.cc
index 511ca1cc8f202b5398784e93ca7ec2822553b942..cf79b3b15c0c3b4af063a2434282eddd29808542 100644
--- a/source/row_any.cc
+++ b/source/row_any.cc
@@ -83,8 +83,18 @@ ANY31(I422ToYUY2Row_Any_NEON, I422ToYUY2Row_NEON, 1, 1, 4, 15)
 #ifdef HAS_I422TOUYVYROW_NEON
 ANY31(I422ToUYVYRow_Any_NEON, I422ToUYVYRow_NEON, 1, 1, 4, 15)
 #endif
+#ifdef HAS_BLENDPLANEROW_AVX2
+ANY31(BlendPlaneRow_Any_AVX2, BlendPlaneRow_AVX2, 0, 0, 1, 31)
+#endif
+#ifdef HAS_BLENDPLANEROW_SSSE3
+ANY31(BlendPlaneRow_Any_SSSE3, BlendPlaneRow_SSSE3, 0, 0, 1, 7)
+#endif
 #undef ANY31
 
+void BlendPlaneRow_Any_AVX2(const uint8* src0, const uint8* src1,
+                            const uint8* alpha, uint8* dst, int width);
+
+
 // Note that odd width replication includes 444 due to implementation
 // on arm that subsamples 444 to 422 internally.
 // Any 3 planes to 1 with yuvconstants