Add sse2/avx2 version of aom_dc_128_predictor_wxh()

for width or height equal to 64.

Change-Id: I48a03012cecd6a5c5d8751907d1a1feacdc1bcd0
diff --git a/test/test_intra_pred_speed.cc b/test/test_intra_pred_speed.cc
index 904758c..cd41ea2 100644
--- a/test/test_intra_pred_speed.cc
+++ b/test/test_intra_pred_speed.cc
@@ -687,6 +687,9 @@
                 aom_dc_top_predictor_32x16_sse2,
                 aom_dc_128_predictor_32x16_sse2, aom_v_predictor_32x16_sse2,
                 aom_h_predictor_32x16_sse2, NULL, NULL, NULL, NULL)
+INTRA_PRED_TEST(SSE2_3, TX_32X64, NULL, NULL, NULL,
+                aom_dc_128_predictor_32x64_sse2, NULL, NULL, NULL, NULL, NULL,
+                NULL)
 #endif  // HAVE_SSE2
 
 #if HAVE_SSSE3
@@ -712,7 +715,8 @@
                 aom_dc_top_predictor_32x16_avx2,
                 aom_dc_128_predictor_32x16_avx2, aom_v_predictor_32x16_avx2,
                 NULL, aom_paeth_predictor_32x16_avx2, NULL, NULL, NULL)
-INTRA_PRED_TEST(AVX2_3, TX_32X64, NULL, NULL, NULL, NULL, NULL, NULL,
+INTRA_PRED_TEST(AVX2_3, TX_32X64, NULL, NULL, NULL,
+                aom_dc_128_predictor_32x64_avx2, NULL, NULL,
                 aom_paeth_predictor_32x64_avx2, NULL, NULL, NULL)
 #endif  // HAVE_AVX2
 
@@ -755,6 +759,18 @@
                 aom_smooth_predictor_64x16_c, aom_smooth_v_predictor_64x16_c,
                 aom_smooth_h_predictor_64x16_c)
 
+#if HAVE_SSE2
+INTRA_PRED_TEST(SSE2_4, TX_64X64, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x64_sse2, NULL, NULL, NULL, NULL, NULL,
+                NULL)
+INTRA_PRED_TEST(SSE2_5, TX_64X32, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x32_sse2, NULL, NULL, NULL, NULL, NULL,
+                NULL)
+INTRA_PRED_TEST(SSE2_6, TX_64X16, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x16_sse2, NULL, NULL, NULL, NULL, NULL,
+                NULL)
+#endif
+
 #if HAVE_SSSE3
 INTRA_PRED_TEST(SSSE3_4, TX_64X64, NULL, NULL, NULL, NULL, NULL, NULL,
                 aom_paeth_predictor_64x64_ssse3, NULL, NULL, NULL)
@@ -765,11 +781,14 @@
 #endif
 
 #if HAVE_AVX2
-INTRA_PRED_TEST(AVX2_4, TX_64X64, NULL, NULL, NULL, NULL, NULL, NULL,
+INTRA_PRED_TEST(AVX2_4, TX_64X64, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x64_avx2, NULL, NULL,
                 aom_paeth_predictor_64x64_avx2, NULL, NULL, NULL)
-INTRA_PRED_TEST(AVX2_5, TX_64X32, NULL, NULL, NULL, NULL, NULL, NULL,
+INTRA_PRED_TEST(AVX2_5, TX_64X32, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x32_avx2, NULL, NULL,
                 aom_paeth_predictor_64x32_avx2, NULL, NULL, NULL)
-INTRA_PRED_TEST(AVX2_6, TX_64X16, NULL, NULL, NULL, NULL, NULL, NULL,
+INTRA_PRED_TEST(AVX2_6, TX_64X16, NULL, NULL, NULL,
+                aom_dc_128_predictor_64x16_avx2, NULL, NULL,
                 aom_paeth_predictor_64x16_avx2, NULL, NULL, NULL)
 #endif
 // -----------------------------------------------------------------------------