1 files changed, 148 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/highbd_convolve_neon.h b/third_party/aom/av1/common/arm/highbd_convolve_neon.h
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index 0000000000..08b2bda4e5
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+++ b/third_party/aom/av1/common/arm/highbd_convolve_neon.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2023, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_
+#define AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_
+
+#include <arm_neon.h>
+
+#include "aom_dsp/arm/mem_neon.h"
+#include "aom_dsp/arm/transpose_neon.h"
+#include "av1/common/convolve.h"
+
+static INLINE int32x4_t highbd_convolve8_4_s32(
+    const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
+    const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
+    const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
+    const int32x4_t offset) {
+  const int16x4_t y_filter_lo = vget_low_s16(y_filter);
+  const int16x4_t y_filter_hi = vget_high_s16(y_filter);
+
+  int32x4_t sum = vmlal_lane_s16(offset, s0, y_filter_lo, 0);
+  sum = vmlal_lane_s16(sum, s1, y_filter_lo, 1);
+  sum = vmlal_lane_s16(sum, s2, y_filter_lo, 2);
+  sum = vmlal_lane_s16(sum, s3, y_filter_lo, 3);
+  sum = vmlal_lane_s16(sum, s4, y_filter_hi, 0);
+  sum = vmlal_lane_s16(sum, s5, y_filter_hi, 1);
+  sum = vmlal_lane_s16(sum, s6, y_filter_hi, 2);
+  sum = vmlal_lane_s16(sum, s7, y_filter_hi, 3);
+
+  return sum;
+}
+
+static INLINE uint16x4_t highbd_convolve8_4_sr_s32_s16(
+    const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
+    const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
+    const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
+    const int32x4_t shift_s32, const int32x4_t offset) {
+  int32x4_t sum =
+      highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset);
+
+  sum = vqrshlq_s32(sum, shift_s32);
+  return vqmovun_s32(sum);
+}
+
+// Like above but also perform round shifting and subtract correction term
+static INLINE uint16x4_t highbd_convolve8_4_srsub_s32_s16(
+    const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
+    const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
+    const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter,
+    const int32x4_t round_shift, const int32x4_t offset,
+    const int32x4_t correction) {
+  int32x4_t sum =
+      highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset);
+
+  sum = vsubq_s32(vqrshlq_s32(sum, round_shift), correction);
+  return vqmovun_s32(sum);
+}
+
+static INLINE void highbd_convolve8_8_s32(
+    const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
+    const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
+    const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
+    const int32x4_t offset, int32x4_t *sum0, int32x4_t *sum1) {
+  const int16x4_t y_filter_lo = vget_low_s16(y_filter);
+  const int16x4_t y_filter_hi = vget_high_s16(y_filter);
+
+  *sum0 = vmlal_lane_s16(offset, vget_low_s16(s0), y_filter_lo, 0);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s1), y_filter_lo, 1);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s2), y_filter_lo, 2);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s3), y_filter_lo, 3);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s4), y_filter_hi, 0);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s5), y_filter_hi, 1);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s6), y_filter_hi, 2);
+  *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s7), y_filter_hi, 3);
+
+  *sum1 = vmlal_lane_s16(offset, vget_high_s16(s0), y_filter_lo, 0);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s1), y_filter_lo, 1);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s2), y_filter_lo, 2);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s3), y_filter_lo, 3);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s4), y_filter_hi, 0);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s5), y_filter_hi, 1);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s6), y_filter_hi, 2);
+  *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s7), y_filter_hi, 3);
+}
+
+// Like above but also perform round shifting and subtract correction term
+static INLINE uint16x8_t highbd_convolve8_8_srsub_s32_s16(
+    const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
+    const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
+    const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
+    const int32x4_t round_shift, const int32x4_t offset,
+    const int32x4_t correction) {
+  int32x4_t sum0;
+  int32x4_t sum1;
+  highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, offset,
+                         &sum0, &sum1);
+
+  sum0 = vsubq_s32(vqrshlq_s32(sum0, round_shift), correction);
+  sum1 = vsubq_s32(vqrshlq_s32(sum1, round_shift), correction);
+
+  return vcombine_u16(vqmovun_s32(sum0), vqmovun_s32(sum1));
+}
+
+static INLINE int32x4_t highbd_convolve8_2d_scale_horiz4x8_s32(
+    const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
+    const int16x8_t s3, const int16x4_t *filters_lo,
+    const int16x4_t *filters_hi, const int32x4_t offset) {
+  int16x4_t s_lo[] = { vget_low_s16(s0), vget_low_s16(s1), vget_low_s16(s2),
+                       vget_low_s16(s3) };
+  int16x4_t s_hi[] = { vget_high_s16(s0), vget_high_s16(s1), vget_high_s16(s2),
+                       vget_high_s16(s3) };
+
+  transpose_array_inplace_u16_4x4((uint16x4_t *)s_lo);
+  transpose_array_inplace_u16_4x4((uint16x4_t *)s_hi);
+
+  int32x4_t sum = vmlal_s16(offset, s_lo[0], filters_lo[0]);
+  sum = vmlal_s16(sum, s_lo[1], filters_lo[1]);
+  sum = vmlal_s16(sum, s_lo[2], filters_lo[2]);
+  sum = vmlal_s16(sum, s_lo[3], filters_lo[3]);
+  sum = vmlal_s16(sum, s_hi[0], filters_hi[0]);
+  sum = vmlal_s16(sum, s_hi[1], filters_hi[1]);
+  sum = vmlal_s16(sum, s_hi[2], filters_hi[2]);
+  sum = vmlal_s16(sum, s_hi[3], filters_hi[3]);
+
+  return sum;
+}
+
+static INLINE uint16x4_t highbd_convolve8_2d_scale_horiz4x8_s32_s16(
+    const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
+    const int16x8_t s3, const int16x4_t *filters_lo,
+    const int16x4_t *filters_hi, const int32x4_t shift_s32,
+    const int32x4_t offset) {
+  int32x4_t sum = highbd_convolve8_2d_scale_horiz4x8_s32(
+      s0, s1, s2, s3, filters_lo, filters_hi, offset);
+
+  sum = vqrshlq_s32(sum, shift_s32);
+  return vqmovun_s32(sum);
+}
+
+#endif  // AOM_AV1_COMMON_ARM_HIGHBD_CONVOLVE_NEON_H_