1 files changed, 64 insertions, 0 deletions
diff --git a/vpx_dsp/arm/highbd_avg_pred_neon.c b/vpx_dsp/arm/highbd_avg_pred_neon.c
new file mode 100644
index 000000000..3063acbb3
--- /dev/null
+++ b/vpx_dsp/arm/highbd_avg_pred_neon.c
@@ -0,0 +1,64 @@
+/*
+ *  Copyright (c) 2023 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <arm_neon.h>
+#include <assert.h>
+
+#include "./vpx_dsp_rtcd.h"
+#include "./vpx_config.h"
+
+void vpx_highbd_comp_avg_pred_neon(uint16_t *comp_pred, const uint16_t *pred,
+                                   int width, int height, const uint16_t *ref,
+                                   int ref_stride) {
+  int i = height;
+  if (width > 8) {
+    do {
+      int j = 0;
+      do {
+        const uint16x8_t p = vld1q_u16(pred + j);
+        const uint16x8_t r = vld1q_u16(ref + j);
+
+        uint16x8_t avg = vrhaddq_u16(p, r);
+        vst1q_u16(comp_pred + j, avg);
+
+        j += 8;
+      } while (j < width);
+
+      comp_pred += width;
+      pred += width;
+      ref += ref_stride;
+    } while (--i != 0);
+  } else if (width == 8) {
+    do {
+      const uint16x8_t p = vld1q_u16(pred);
+      const uint16x8_t r = vld1q_u16(ref);
+
+      uint16x8_t avg = vrhaddq_u16(p, r);
+      vst1q_u16(comp_pred, avg);
+
+      comp_pred += width;
+      pred += width;
+      ref += ref_stride;
+    } while (--i != 0);
+  } else {
+    assert(width == 4);
+    do {
+      const uint16x4_t p = vld1_u16(pred);
+      const uint16x4_t r = vld1_u16(ref);
+
+      uint16x4_t avg = vrhadd_u16(p, r);
+      vst1_u16(comp_pred, avg);
+
+      comp_pred += width;
+      pred += width;
+      ref += ref_stride;
+    } while (--i != 0);
+  }
+}