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-rw-r--r--third_party/aom/av1/common/arm/jnt_convolve_neon.c1740
1 files changed, 1740 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/jnt_convolve_neon.c b/third_party/aom/av1/common/arm/jnt_convolve_neon.c
new file mode 100644
index 0000000000..e5674ef7c2
--- /dev/null
+++ b/third_party/aom/av1/common/arm/jnt_convolve_neon.c
@@ -0,0 +1,1740 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+#include <arm_neon.h>
+#include <assert.h>
+
+#include "config/aom_config.h"
+#include "config/av1_rtcd.h"
+
+#include "aom_dsp/txfm_common.h"
+#include "aom_ports/mem.h"
+#include "av1/common/common.h"
+#include "av1/common/arm/convolve_neon.h"
+#include "av1/common/arm/mem_neon.h"
+#include "av1/common/arm/transpose_neon.h"
+
+#if !defined(__aarch64__)
+static INLINE void compute_avg_4x1(uint16x4_t res0, uint16x4_t d0,
+ const uint16_t fwd_offset,
+ const uint16_t bck_offset,
+ const int16x4_t sub_const_vec,
+ const int16_t round_bits,
+ const int use_jnt_comp_avg, uint8x8_t *t0) {
+ int16x4_t tmp0;
+ uint16x4_t tmp_u0;
+ uint32x4_t sum0;
+ int32x4_t dst0;
+ int16x8_t tmp4;
+
+ if (use_jnt_comp_avg) {
+ const int32x4_t round_bits_vec = vdupq_n_s32((int32_t)(-round_bits));
+
+ sum0 = vmull_n_u16(res0, fwd_offset);
+ sum0 = vmlal_n_u16(sum0, d0, bck_offset);
+
+ sum0 = vshrq_n_u32(sum0, DIST_PRECISION_BITS);
+
+ dst0 = vsubq_s32(vreinterpretq_s32_u32(sum0), vmovl_s16(sub_const_vec));
+
+ dst0 = vqrshlq_s32(dst0, round_bits_vec);
+
+ tmp0 = vqmovn_s32(dst0);
+ tmp4 = vcombine_s16(tmp0, tmp0);
+
+ *t0 = vqmovun_s16(tmp4);
+ } else {
+ const int16x4_t round_bits_vec = vdup_n_s16(-round_bits);
+ tmp_u0 = vhadd_u16(res0, d0);
+
+ tmp0 = vsub_s16(vreinterpret_s16_u16(tmp_u0), sub_const_vec);
+
+ tmp0 = vqrshl_s16(tmp0, round_bits_vec);
+
+ tmp4 = vcombine_s16(tmp0, tmp0);
+
+ *t0 = vqmovun_s16(tmp4);
+ }
+}
+
+static INLINE void compute_avg_8x1(uint16x8_t res0, uint16x8_t d0,
+ const uint16_t fwd_offset,
+ const uint16_t bck_offset,
+ const int16x4_t sub_const,
+ const int16_t round_bits,
+ const int use_jnt_comp_avg, uint8x8_t *t0) {
+ int16x4_t tmp0, tmp2;
+ int16x8_t f0;
+ uint32x4_t sum0, sum2;
+ int32x4_t dst0, dst2;
+
+ uint16x8_t tmp_u0;
+
+ if (use_jnt_comp_avg) {
+ const int32x4_t sub_const_vec = vmovl_s16(sub_const);
+ const int32x4_t round_bits_vec = vdupq_n_s32(-(int32_t)round_bits);
+
+ sum0 = vmull_n_u16(vget_low_u16(res0), fwd_offset);
+ sum0 = vmlal_n_u16(sum0, vget_low_u16(d0), bck_offset);
+ sum0 = vshrq_n_u32(sum0, DIST_PRECISION_BITS);
+
+ sum2 = vmull_n_u16(vget_high_u16(res0), fwd_offset);
+ sum2 = vmlal_n_u16(sum2, vget_high_u16(d0), bck_offset);
+ sum2 = vshrq_n_u32(sum2, DIST_PRECISION_BITS);
+
+ dst0 = vsubq_s32(vreinterpretq_s32_u32(sum0), sub_const_vec);
+ dst2 = vsubq_s32(vreinterpretq_s32_u32(sum2), sub_const_vec);
+
+ dst0 = vqrshlq_s32(dst0, round_bits_vec);
+ dst2 = vqrshlq_s32(dst2, round_bits_vec);
+
+ tmp0 = vqmovn_s32(dst0);
+ tmp2 = vqmovn_s32(dst2);
+
+ f0 = vcombine_s16(tmp0, tmp2);
+
+ *t0 = vqmovun_s16(f0);
+
+ } else {
+ const int16x8_t sub_const_vec = vcombine_s16(sub_const, sub_const);
+ const int16x8_t round_bits_vec = vdupq_n_s16(-round_bits);
+
+ tmp_u0 = vhaddq_u16(res0, d0);
+
+ f0 = vsubq_s16(vreinterpretq_s16_u16(tmp_u0), sub_const_vec);
+
+ f0 = vqrshlq_s16(f0, round_bits_vec);
+
+ *t0 = vqmovun_s16(f0);
+ }
+}
+#endif // !defined(__arch64__)
+
+static INLINE void compute_avg_4x4(
+ uint16x4_t res0, uint16x4_t res1, uint16x4_t res2, uint16x4_t res3,
+ uint16x4_t d0, uint16x4_t d1, uint16x4_t d2, uint16x4_t d3,
+ const uint16_t fwd_offset, const uint16_t bck_offset,
+ const int16x4_t sub_const_vec, const int16_t round_bits,
+ const int use_jnt_comp_avg, uint8x8_t *t0, uint8x8_t *t1) {
+ int16x4_t tmp0, tmp1, tmp2, tmp3;
+ uint16x4_t tmp_u0, tmp_u1, tmp_u2, tmp_u3;
+ uint32x4_t sum0, sum1, sum2, sum3;
+
+ int32x4_t dst0, dst1, dst2, dst3;
+ int16x8_t tmp4, tmp5;
+ const int16x8_t zero = vdupq_n_s16(0);
+
+ if (use_jnt_comp_avg) {
+ const int32x4_t round_bits_vec = vdupq_n_s32((int32_t)(-round_bits));
+ const int32x4_t const_vec = vmovl_s16(sub_const_vec);
+
+ sum0 = vmull_n_u16(res0, fwd_offset);
+ sum0 = vmlal_n_u16(sum0, d0, bck_offset);
+ sum1 = vmull_n_u16(res1, fwd_offset);
+ sum1 = vmlal_n_u16(sum1, d1, bck_offset);
+ sum2 = vmull_n_u16(res2, fwd_offset);
+ sum2 = vmlal_n_u16(sum2, d2, bck_offset);
+ sum3 = vmull_n_u16(res3, fwd_offset);
+ sum3 = vmlal_n_u16(sum3, d3, bck_offset);
+
+ sum0 = vshrq_n_u32(sum0, DIST_PRECISION_BITS);
+ sum1 = vshrq_n_u32(sum1, DIST_PRECISION_BITS);
+ sum2 = vshrq_n_u32(sum2, DIST_PRECISION_BITS);
+ sum3 = vshrq_n_u32(sum3, DIST_PRECISION_BITS);
+
+ dst0 = vsubq_s32(vreinterpretq_s32_u32(sum0), const_vec);
+ dst1 = vsubq_s32(vreinterpretq_s32_u32(sum1), const_vec);
+ dst2 = vsubq_s32(vreinterpretq_s32_u32(sum2), const_vec);
+ dst3 = vsubq_s32(vreinterpretq_s32_u32(sum3), const_vec);
+
+ dst0 = vqrshlq_s32(dst0, round_bits_vec);
+ dst1 = vqrshlq_s32(dst1, round_bits_vec);
+ dst2 = vqrshlq_s32(dst2, round_bits_vec);
+ dst3 = vqrshlq_s32(dst3, round_bits_vec);
+
+ tmp0 = vqmovn_s32(dst0);
+ tmp1 = vqmovn_s32(dst1);
+ tmp2 = vqmovn_s32(dst2);
+ tmp3 = vqmovn_s32(dst3);
+ tmp4 = vcombine_s16(tmp0, tmp1);
+ tmp5 = vcombine_s16(tmp2, tmp3);
+ tmp4 = vmaxq_s16(tmp4, zero);
+ tmp5 = vmaxq_s16(tmp5, zero);
+
+ *t0 = vqmovn_u16(vreinterpretq_u16_s16(tmp4));
+ *t1 = vqmovn_u16(vreinterpretq_u16_s16(tmp5));
+ } else {
+ const int16x4_t round_bits_vec = vdup_n_s16(-round_bits);
+ tmp_u0 = vhadd_u16(res0, d0);
+ tmp_u1 = vhadd_u16(res1, d1);
+ tmp_u2 = vhadd_u16(res2, d2);
+ tmp_u3 = vhadd_u16(res3, d3);
+
+ tmp0 = vsub_s16(vreinterpret_s16_u16(tmp_u0), sub_const_vec);
+ tmp1 = vsub_s16(vreinterpret_s16_u16(tmp_u1), sub_const_vec);
+ tmp2 = vsub_s16(vreinterpret_s16_u16(tmp_u2), sub_const_vec);
+ tmp3 = vsub_s16(vreinterpret_s16_u16(tmp_u3), sub_const_vec);
+
+ tmp0 = vqrshl_s16(tmp0, round_bits_vec);
+ tmp1 = vqrshl_s16(tmp1, round_bits_vec);
+ tmp2 = vqrshl_s16(tmp2, round_bits_vec);
+ tmp3 = vqrshl_s16(tmp3, round_bits_vec);
+
+ tmp4 = vcombine_s16(tmp0, tmp1);
+ tmp5 = vcombine_s16(tmp2, tmp3);
+ tmp4 = vmaxq_s16(tmp4, zero);
+ tmp5 = vmaxq_s16(tmp5, zero);
+
+ *t0 = vqmovn_u16(vreinterpretq_u16_s16(tmp4));
+ *t1 = vqmovn_u16(vreinterpretq_u16_s16(tmp5));
+ }
+}
+
+static INLINE void compute_avg_8x4(
+ uint16x8_t res0, uint16x8_t res1, uint16x8_t res2, uint16x8_t res3,
+ uint16x8_t d0, uint16x8_t d1, uint16x8_t d2, uint16x8_t d3,
+ const uint16_t fwd_offset, const uint16_t bck_offset,
+ const int16x4_t sub_const, const int16_t round_bits,
+ const int use_jnt_comp_avg, uint8x8_t *t0, uint8x8_t *t1, uint8x8_t *t2,
+ uint8x8_t *t3) {
+ int16x4_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
+ int16x8_t f0, f1, f2, f3;
+ uint32x4_t sum0, sum1, sum2, sum3;
+ uint32x4_t sum4, sum5, sum6, sum7;
+ int32x4_t dst0, dst1, dst2, dst3;
+ int32x4_t dst4, dst5, dst6, dst7;
+ uint16x8_t tmp_u0, tmp_u1, tmp_u2, tmp_u3;
+ const int16x8_t zero = vdupq_n_s16(0);
+
+ if (use_jnt_comp_avg) {
+ const int32x4_t sub_const_vec = vmovl_s16(sub_const);
+ const int32x4_t round_bits_vec = vdupq_n_s32(-(int32_t)round_bits);
+
+ sum0 = vmull_n_u16(vget_low_u16(res0), fwd_offset);
+ sum0 = vmlal_n_u16(sum0, vget_low_u16(d0), bck_offset);
+ sum1 = vmull_n_u16(vget_low_u16(res1), fwd_offset);
+ sum1 = vmlal_n_u16(sum1, vget_low_u16(d1), bck_offset);
+ sum0 = vshrq_n_u32(sum0, DIST_PRECISION_BITS);
+ sum1 = vshrq_n_u32(sum1, DIST_PRECISION_BITS);
+
+ sum2 = vmull_n_u16(vget_high_u16(res0), fwd_offset);
+ sum2 = vmlal_n_u16(sum2, vget_high_u16(d0), bck_offset);
+ sum3 = vmull_n_u16(vget_high_u16(res1), fwd_offset);
+ sum3 = vmlal_n_u16(sum3, vget_high_u16(d1), bck_offset);
+ sum2 = vshrq_n_u32(sum2, DIST_PRECISION_BITS);
+ sum3 = vshrq_n_u32(sum3, DIST_PRECISION_BITS);
+
+ sum4 = vmull_n_u16(vget_low_u16(res2), fwd_offset);
+ sum4 = vmlal_n_u16(sum4, vget_low_u16(d2), bck_offset);
+ sum5 = vmull_n_u16(vget_low_u16(res3), fwd_offset);
+ sum5 = vmlal_n_u16(sum5, vget_low_u16(d3), bck_offset);
+ sum4 = vshrq_n_u32(sum4, DIST_PRECISION_BITS);
+ sum5 = vshrq_n_u32(sum5, DIST_PRECISION_BITS);
+
+ sum6 = vmull_n_u16(vget_high_u16(res2), fwd_offset);
+ sum6 = vmlal_n_u16(sum6, vget_high_u16(d2), bck_offset);
+ sum7 = vmull_n_u16(vget_high_u16(res3), fwd_offset);
+ sum7 = vmlal_n_u16(sum7, vget_high_u16(d3), bck_offset);
+ sum6 = vshrq_n_u32(sum6, DIST_PRECISION_BITS);
+ sum7 = vshrq_n_u32(sum7, DIST_PRECISION_BITS);
+
+ dst0 = vsubq_s32(vreinterpretq_s32_u32(sum0), sub_const_vec);
+ dst1 = vsubq_s32(vreinterpretq_s32_u32(sum1), sub_const_vec);
+ dst2 = vsubq_s32(vreinterpretq_s32_u32(sum2), sub_const_vec);
+ dst3 = vsubq_s32(vreinterpretq_s32_u32(sum3), sub_const_vec);
+ dst4 = vsubq_s32(vreinterpretq_s32_u32(sum4), sub_const_vec);
+ dst5 = vsubq_s32(vreinterpretq_s32_u32(sum5), sub_const_vec);
+ dst6 = vsubq_s32(vreinterpretq_s32_u32(sum6), sub_const_vec);
+ dst7 = vsubq_s32(vreinterpretq_s32_u32(sum7), sub_const_vec);
+
+ dst0 = vqrshlq_s32(dst0, round_bits_vec);
+ dst1 = vqrshlq_s32(dst1, round_bits_vec);
+ dst2 = vqrshlq_s32(dst2, round_bits_vec);
+ dst3 = vqrshlq_s32(dst3, round_bits_vec);
+ dst4 = vqrshlq_s32(dst4, round_bits_vec);
+ dst5 = vqrshlq_s32(dst5, round_bits_vec);
+ dst6 = vqrshlq_s32(dst6, round_bits_vec);
+ dst7 = vqrshlq_s32(dst7, round_bits_vec);
+
+ tmp0 = vqmovn_s32(dst0);
+ tmp1 = vqmovn_s32(dst1);
+ tmp2 = vqmovn_s32(dst2);
+ tmp3 = vqmovn_s32(dst3);
+ tmp4 = vqmovn_s32(dst4);
+ tmp5 = vqmovn_s32(dst5);
+ tmp6 = vqmovn_s32(dst6);
+ tmp7 = vqmovn_s32(dst7);
+
+ f0 = vcombine_s16(tmp0, tmp2);
+ f1 = vcombine_s16(tmp1, tmp3);
+ f2 = vcombine_s16(tmp4, tmp6);
+ f3 = vcombine_s16(tmp5, tmp7);
+
+ f0 = vmaxq_s16(f0, zero);
+ f1 = vmaxq_s16(f1, zero);
+ f2 = vmaxq_s16(f2, zero);
+ f3 = vmaxq_s16(f3, zero);
+
+ *t0 = vqmovn_u16(vreinterpretq_u16_s16(f0));
+ *t1 = vqmovn_u16(vreinterpretq_u16_s16(f1));
+ *t2 = vqmovn_u16(vreinterpretq_u16_s16(f2));
+ *t3 = vqmovn_u16(vreinterpretq_u16_s16(f3));
+
+ } else {
+ const int16x8_t sub_const_vec = vcombine_s16(sub_const, sub_const);
+ const int16x8_t round_bits_vec = vdupq_n_s16(-round_bits);
+
+ tmp_u0 = vhaddq_u16(res0, d0);
+ tmp_u1 = vhaddq_u16(res1, d1);
+ tmp_u2 = vhaddq_u16(res2, d2);
+ tmp_u3 = vhaddq_u16(res3, d3);
+
+ f0 = vsubq_s16(vreinterpretq_s16_u16(tmp_u0), sub_const_vec);
+ f1 = vsubq_s16(vreinterpretq_s16_u16(tmp_u1), sub_const_vec);
+ f2 = vsubq_s16(vreinterpretq_s16_u16(tmp_u2), sub_const_vec);
+ f3 = vsubq_s16(vreinterpretq_s16_u16(tmp_u3), sub_const_vec);
+
+ f0 = vqrshlq_s16(f0, round_bits_vec);
+ f1 = vqrshlq_s16(f1, round_bits_vec);
+ f2 = vqrshlq_s16(f2, round_bits_vec);
+ f3 = vqrshlq_s16(f3, round_bits_vec);
+
+ f0 = vmaxq_s16(f0, zero);
+ f1 = vmaxq_s16(f1, zero);
+ f2 = vmaxq_s16(f2, zero);
+ f3 = vmaxq_s16(f3, zero);
+
+ *t0 = vqmovn_u16(vreinterpretq_u16_s16(f0));
+ *t1 = vqmovn_u16(vreinterpretq_u16_s16(f1));
+ *t2 = vqmovn_u16(vreinterpretq_u16_s16(f2));
+ *t3 = vqmovn_u16(vreinterpretq_u16_s16(f3));
+ }
+}
+
+static INLINE void jnt_convolve_2d_horiz_neon(
+ const uint8_t *src, int src_stride, int16_t *im_block, const int im_stride,
+ int16_t *x_filter_tmp, const int im_h, int w, const int round_0) {
+ const int bd = 8;
+ const uint8_t *s;
+ int16_t *dst_ptr;
+ int dst_stride;
+ int width, height;
+
+ dst_ptr = im_block;
+ dst_stride = im_stride;
+ height = im_h;
+ width = w;
+
+ if (w == 4) {
+ int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0;
+ int16x8_t tt0;
+ uint8x8_t t0;
+
+ const int16x4_t horiz_const = vdup_n_s16((1 << (bd + FILTER_BITS - 2)));
+ const int16x4_t shift_round_0 = vdup_n_s16(-(round_0));
+
+#if defined(__aarch64__)
+ int16x4_t s8, s9, s10, d1, d2, d3;
+ int16x8_t tt1, tt2, tt3;
+ uint8x8_t t1, t2, t3;
+#endif
+ do {
+ s = src;
+ __builtin_prefetch(s + 0 * src_stride);
+#if defined(__aarch64__)
+ __builtin_prefetch(s + 1 * src_stride);
+ __builtin_prefetch(s + 2 * src_stride);
+ __builtin_prefetch(s + 3 * src_stride);
+
+ load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3);
+ transpose_u8_8x4(&t0, &t1, &t2, &t3);
+ tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ tt2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ tt3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s0 = vget_low_s16(tt0);
+ s1 = vget_low_s16(tt1);
+ s2 = vget_low_s16(tt2);
+ s3 = vget_low_s16(tt3);
+ s4 = vget_high_s16(tt0);
+ s5 = vget_high_s16(tt1);
+ s6 = vget_high_s16(tt2);
+ __builtin_prefetch(dst_ptr + 0 * dst_stride);
+ __builtin_prefetch(dst_ptr + 1 * dst_stride);
+ __builtin_prefetch(dst_ptr + 2 * dst_stride);
+ __builtin_prefetch(dst_ptr + 3 * dst_stride);
+ s += 7;
+
+ load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3);
+ transpose_u8_8x4(&t0, &t1, &t2, &t3);
+ tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ tt2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ tt3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s7 = vget_low_s16(tt0);
+ s8 = vget_low_s16(tt1);
+ s9 = vget_low_s16(tt2);
+ s10 = vget_low_s16(tt3);
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ horiz_const, shift_round_0);
+ d1 = convolve8_4x4_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter_tmp,
+ horiz_const, shift_round_0);
+ d2 = convolve8_4x4_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter_tmp,
+ horiz_const, shift_round_0);
+ d3 = convolve8_4x4_s16(s3, s4, s5, s6, s7, s8, s9, s10, x_filter_tmp,
+ horiz_const, shift_round_0);
+
+ transpose_s16_4x4d(&d0, &d1, &d2, &d3);
+
+ vst1_s16((dst_ptr + 0 * dst_stride), d0);
+ vst1_s16((dst_ptr + 1 * dst_stride), d1);
+ vst1_s16((dst_ptr + 2 * dst_stride), d2);
+ vst1_s16((dst_ptr + 3 * dst_stride), d3);
+
+ src += 4 * src_stride;
+ dst_ptr += 4 * dst_stride;
+ height -= 4;
+#else
+ t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7
+ tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7
+ s0 = vget_low_s16(tt0); // a0 a1 a2 a3
+ s4 = vget_high_s16(tt0); // a4 a5 a6 a7
+ __builtin_prefetch(dst_ptr);
+ s += 8;
+ t0 = vld1_u8(s); // a8 a9 a10 a11
+
+ // a8 a9 a10 a11
+ s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0)));
+
+ s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4
+ s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5
+ s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6
+ s5 = vext_s16(s4, s7, 1); // a5 a6 a7 a8
+ s6 = vext_s16(s4, s7, 2); // a6 a7 a8 a9
+ s7 = vext_s16(s4, s7, 3); // a7 a8 a9 a10
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ horiz_const, shift_round_0);
+
+ vst1_s16(dst_ptr, d0);
+
+ src += src_stride;
+ dst_ptr += dst_stride;
+ height -= 1;
+#endif
+ } while (height > 0);
+ } else {
+ int16_t *d_tmp;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7;
+ int16x8_t res0;
+ uint8x8_t t0;
+
+ const int16x8_t horiz_const = vdupq_n_s16((1 << (bd + FILTER_BITS - 2)));
+ const int16x8_t shift_round_0 = vdupq_n_s16(-(round_0));
+ do {
+#if defined(__aarch64__)
+ uint8x8_t t1, t2, t3, t4, t5, t6, t7;
+ int16x8_t s8, s9, s10, s11, s12, s13, s14;
+ int16x8_t res1, res2, res3, res4, res5, res6, res7;
+ __builtin_prefetch(src + 0 * src_stride);
+ __builtin_prefetch(src + 1 * src_stride);
+ __builtin_prefetch(src + 2 * src_stride);
+ __builtin_prefetch(src + 3 * src_stride);
+ __builtin_prefetch(src + 4 * src_stride);
+ __builtin_prefetch(src + 5 * src_stride);
+ __builtin_prefetch(src + 6 * src_stride);
+ __builtin_prefetch(src + 7 * src_stride);
+ load_u8_8x8(src, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s4 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s5 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s6 = vreinterpretq_s16_u16(vmovl_u8(t6));
+
+ width = w;
+ s = src + 7;
+ d_tmp = dst_ptr;
+ __builtin_prefetch(dst_ptr + 0 * dst_stride);
+ __builtin_prefetch(dst_ptr + 1 * dst_stride);
+ __builtin_prefetch(dst_ptr + 2 * dst_stride);
+ __builtin_prefetch(dst_ptr + 3 * dst_stride);
+ __builtin_prefetch(dst_ptr + 4 * dst_stride);
+ __builtin_prefetch(dst_ptr + 5 * dst_stride);
+ __builtin_prefetch(dst_ptr + 6 * dst_stride);
+ __builtin_prefetch(dst_ptr + 7 * dst_stride);
+
+ do {
+ load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s9 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s10 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s11 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s12 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s13 = vreinterpretq_s16_u16(vmovl_u8(t6));
+ s14 = vreinterpretq_s16_u16(vmovl_u8(t7));
+
+ res0 = convolve8_8x8_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ horiz_const, shift_round_0);
+ res1 = convolve8_8x8_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter_tmp,
+ horiz_const, shift_round_0);
+ res2 = convolve8_8x8_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter_tmp,
+ horiz_const, shift_round_0);
+ res3 = convolve8_8x8_s16(s3, s4, s5, s6, s7, s8, s9, s10, x_filter_tmp,
+ horiz_const, shift_round_0);
+ res4 = convolve8_8x8_s16(s4, s5, s6, s7, s8, s9, s10, s11, x_filter_tmp,
+ horiz_const, shift_round_0);
+ res5 = convolve8_8x8_s16(s5, s6, s7, s8, s9, s10, s11, s12,
+ x_filter_tmp, horiz_const, shift_round_0);
+ res6 = convolve8_8x8_s16(s6, s7, s8, s9, s10, s11, s12, s13,
+ x_filter_tmp, horiz_const, shift_round_0);
+ res7 = convolve8_8x8_s16(s7, s8, s9, s10, s11, s12, s13, s14,
+ x_filter_tmp, horiz_const, shift_round_0);
+
+ transpose_s16_8x8(&res0, &res1, &res2, &res3, &res4, &res5, &res6,
+ &res7);
+
+ store_s16_8x8(d_tmp, dst_stride, res0, res1, res2, res3, res4, res5,
+ res6, res7);
+ s0 = s8;
+ s1 = s9;
+ s2 = s10;
+ s3 = s11;
+ s4 = s12;
+ s5 = s13;
+ s6 = s14;
+ s += 8;
+ d_tmp += 8;
+ width -= 8;
+ } while (width > 0);
+ src += 8 * src_stride;
+ dst_ptr += 8 * dst_stride;
+ height -= 8;
+#else
+ int16x8_t temp_0;
+ t0 = vld1_u8(src);
+ s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7
+
+ width = w;
+ s = src + 8;
+ d_tmp = dst_ptr;
+ __builtin_prefetch(dst_ptr);
+
+ do {
+ t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15
+ s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ temp_0 = s0;
+ s0 = s7;
+
+ s1 = vextq_s16(temp_0, s7, 1); // a1 a2 a3 a4 a5 a6 a7 a8
+ s2 = vextq_s16(temp_0, s7, 2); // a2 a3 a4 a5 a6 a7 a8 a9
+ s3 = vextq_s16(temp_0, s7, 3); // a3 a4 a5 a6 a7 a8 a9 a10
+ s4 = vextq_s16(temp_0, s7, 4); // a4 a5 a6 a7 a8 a9 a10 a11
+ s5 = vextq_s16(temp_0, s7, 5); // a5 a6 a7 a8 a9 a10 a11 a12
+ s6 = vextq_s16(temp_0, s7, 6); // a6 a7 a8 a9 a10 a11 a12 a13
+ s7 = vextq_s16(temp_0, s7, 7); // a7 a8 a9 a10 a11 a12 a13 a14
+
+ res0 = convolve8_8x8_s16(temp_0, s1, s2, s3, s4, s5, s6, s7,
+ x_filter_tmp, horiz_const, shift_round_0);
+ vst1q_s16(d_tmp, res0);
+
+ s += 8;
+ d_tmp += 8;
+ width -= 8;
+ } while (width > 0);
+ src += src_stride;
+ dst_ptr += dst_stride;
+ height -= 1;
+#endif
+ } while (height > 0);
+ }
+}
+
+static INLINE void jnt_convolve_2d_vert_neon(
+ int16_t *im_block, const int im_stride, uint8_t *dst8, int dst8_stride,
+ ConvolveParams *conv_params, const int16_t *y_filter, int h, int w) {
+ uint8_t *dst_u8_ptr, *d_u8;
+ CONV_BUF_TYPE *dst_ptr, *dst;
+ int16_t *src_ptr, *s;
+ uint16_t *d;
+
+ const int bd = 8;
+ int height;
+ int dst_stride = conv_params->dst_stride;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int16_t sub_const = (1 << (offset_bits - conv_params->round_1)) +
+ (1 << (offset_bits - conv_params->round_1 - 1));
+
+ const int16_t round_bits =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const int offset = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int32x4_t round_shift_vec = vdupq_n_s32(-(conv_params->round_1));
+ const int32x4_t offset_const = vdupq_n_s32(1 << offset);
+ const int16x4_t sub_const_vec = vdup_n_s16(sub_const);
+ const uint16_t fwd_offset = conv_params->fwd_offset;
+ const uint16_t bck_offset = conv_params->bck_offset;
+ const int do_average = conv_params->do_average;
+ const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg;
+
+ int16x4_t s0, s1, s2, s3, s4, s5, s6, s7;
+ uint16x4_t res4, d0;
+ uint8x8_t t0;
+
+#if defined(__aarch64__)
+ int16x4_t s8, s9, s10;
+ uint16x4_t res5, res6, res7, d1, d2, d3;
+ uint8x8_t t1;
+#endif
+
+ dst = conv_params->dst;
+ src_ptr = im_block;
+ dst_u8_ptr = dst8;
+ dst_ptr = dst;
+ height = h;
+
+ do {
+ d = dst_ptr;
+ d_u8 = dst_u8_ptr;
+ s = src_ptr;
+ height = h;
+
+ __builtin_prefetch(s + 0 * im_stride);
+ __builtin_prefetch(s + 1 * im_stride);
+ __builtin_prefetch(s + 2 * im_stride);
+ __builtin_prefetch(s + 3 * im_stride);
+ __builtin_prefetch(s + 4 * im_stride);
+ __builtin_prefetch(s + 5 * im_stride);
+ __builtin_prefetch(s + 6 * im_stride);
+ __builtin_prefetch(s + 7 * im_stride);
+
+ load_s16_4x8(s, im_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
+ s += (7 * im_stride);
+
+ do {
+#if defined(__aarch64__)
+ load_s16_4x4(s, im_stride, &s7, &s8, &s9, &s10);
+ s += (im_stride << 2);
+
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d + 1 * dst_stride);
+ __builtin_prefetch(d + 2 * dst_stride);
+ __builtin_prefetch(d + 3 * dst_stride);
+
+ __builtin_prefetch(d_u8 + 4 * dst8_stride);
+ __builtin_prefetch(d_u8 + 5 * dst8_stride);
+ __builtin_prefetch(d_u8 + 6 * dst8_stride);
+ __builtin_prefetch(d_u8 + 7 * dst8_stride);
+
+ d0 = convolve8_4x4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter,
+ round_shift_vec, offset_const);
+ d1 = convolve8_4x4_s32(s1, s2, s3, s4, s5, s6, s7, s8, y_filter,
+ round_shift_vec, offset_const);
+ d2 = convolve8_4x4_s32(s2, s3, s4, s5, s6, s7, s8, s9, y_filter,
+ round_shift_vec, offset_const);
+ d3 = convolve8_4x4_s32(s3, s4, s5, s6, s7, s8, s9, s10, y_filter,
+ round_shift_vec, offset_const);
+
+ if (do_average) {
+ load_u16_4x4(d, dst_stride, &res4, &res5, &res6, &res7);
+ d += (dst_stride << 2);
+
+ compute_avg_4x4(res4, res5, res6, res7, d0, d1, d2, d3, fwd_offset,
+ bck_offset, sub_const_vec, round_bits, use_jnt_comp_avg,
+ &t0, &t1);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 0);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 1);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t1), 0);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t1), 1);
+ d_u8 += dst8_stride;
+
+ } else {
+ store_u16_4x4(d, dst_stride, d0, d1, d2, d3);
+ d += (dst_stride << 2);
+ }
+ s0 = s4;
+ s1 = s5;
+ s2 = s6;
+ s3 = s7;
+ s4 = s8;
+ s5 = s9;
+ s6 = s10;
+ height -= 4;
+#else
+ s7 = vld1_s16(s);
+ s += (im_stride);
+
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d_u8 + 0 * dst8_stride);
+
+ d0 = convolve8_4x4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter,
+ round_shift_vec, offset_const);
+
+ if (do_average) {
+ res4 = vld1_u16(d);
+ d += (dst_stride);
+
+ compute_avg_4x1(res4, d0, fwd_offset, bck_offset, sub_const_vec,
+ round_bits, use_jnt_comp_avg, &t0);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 0);
+ d_u8 += dst8_stride;
+
+ } else {
+ vst1_u16(d, d0);
+ d += (dst_stride);
+ }
+ s0 = s1;
+ s1 = s2;
+ s2 = s3;
+ s3 = s4;
+ s4 = s5;
+ s5 = s6;
+ s6 = s7;
+ height--;
+#endif
+ } while (height > 0);
+ src_ptr += 4;
+ dst_ptr += 4;
+ dst_u8_ptr += 4;
+ w -= 4;
+ } while (w > 0);
+}
+
+void av1_jnt_convolve_2d_neon(const uint8_t *src, int src_stride, uint8_t *dst8,
+ int dst8_stride, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ assert(!(w % 4));
+ assert(!(h % 4));
+
+ DECLARE_ALIGNED(16, int16_t,
+ im_block[(MAX_SB_SIZE + HORIZ_EXTRA_ROWS) * MAX_SB_SIZE]);
+
+ const int im_h = h + filter_params_y->taps - 1;
+ const int im_stride = MAX_SB_SIZE;
+ const int vert_offset = filter_params_y->taps / 2 - 1;
+ const int horiz_offset = filter_params_x->taps / 2 - 1;
+ const int round_0 = conv_params->round_0 - 1;
+ const uint8_t *src_ptr = src - vert_offset * src_stride - horiz_offset;
+ const int16_t *x_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_x, subpel_x_q4 & SUBPEL_MASK);
+ const int16_t *y_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_y, subpel_y_q4 & SUBPEL_MASK);
+
+ int16_t x_filter_tmp[8];
+ int16x8_t filter_x_coef = vld1q_s16(x_filter);
+
+ // filter coeffs are even, so downshifting by 1 to reduce intermediate
+ // precision requirements.
+ filter_x_coef = vshrq_n_s16(filter_x_coef, 1);
+ vst1q_s16(&x_filter_tmp[0], filter_x_coef);
+
+ jnt_convolve_2d_horiz_neon(src_ptr, src_stride, im_block, im_stride,
+ x_filter_tmp, im_h, w, round_0);
+
+ jnt_convolve_2d_vert_neon(im_block, im_stride, dst8, dst8_stride, conv_params,
+ y_filter, h, w);
+}
+
+void av1_jnt_convolve_2d_copy_neon(const uint8_t *src, int src_stride,
+ uint8_t *dst8, int dst8_stride, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ uint8x8_t res0_8, res1_8, res2_8, res3_8, tmp_shift0, tmp_shift1, tmp_shift2,
+ tmp_shift3;
+ uint16x8_t res_q0, res_q1, res_q2, res_q3, tmp_q0, tmp_q1, tmp_q2, tmp_q3;
+ uint16x4_t tmp4, tmp5, tmp6, tmp7, res4, res5, res6, res7;
+ const uint8_t *src1, *src2;
+ uint8_t *dst8_1;
+ CONV_BUF_TYPE *dst = conv_params->dst, *dst_1, *dst_2;
+ const int dst_stride = conv_params->dst_stride;
+ int x, y;
+ const int16_t bits =
+ FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0;
+ const int bd = 8;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int round_offset = (1 << (offset_bits - conv_params->round_1)) +
+ (1 << (offset_bits - conv_params->round_1 - 1));
+ const int16x4_t sub_const_vec = vdup_n_s16((int16_t)round_offset);
+ const uint16x8_t dup_round_offset16x8 = vdupq_n_u16((uint16_t)round_offset);
+ const int16x4_t dup_bits16x4 = vdup_n_s16(bits);
+ const int16x8_t dup_bits16x8 = vdupq_n_s16(bits);
+
+ (void)filter_params_x;
+ (void)filter_params_y;
+ (void)subpel_x_q4;
+ (void)subpel_y_q4;
+
+ if (!(w & 0x07)) {
+ for (y = 0; y < (h >> 2); ++y) {
+ src1 = src;
+ dst8_1 = dst8;
+ dst_1 = dst;
+ for (x = 0; x < (w >> 3); ++x) {
+ src2 = src1;
+ load_u8_8x4(src2, src_stride, &res0_8, &res1_8, &res2_8, &res3_8);
+
+ res_q0 = vaddq_u16(vshlq_u16(vmovl_u8(res0_8), dup_bits16x8),
+ dup_round_offset16x8);
+ res_q1 = vaddq_u16(vshlq_u16(vmovl_u8(res1_8), dup_bits16x8),
+ dup_round_offset16x8);
+ res_q2 = vaddq_u16(vshlq_u16(vmovl_u8(res2_8), dup_bits16x8),
+ dup_round_offset16x8);
+ res_q3 = vaddq_u16(vshlq_u16(vmovl_u8(res3_8), dup_bits16x8),
+ dup_round_offset16x8);
+
+ if (conv_params->do_average) {
+ dst_2 = dst_1;
+ load_u16_8x4(dst_2, dst_stride, &tmp_q0, &tmp_q1, &tmp_q2, &tmp_q3);
+
+ compute_avg_8x4(tmp_q0, tmp_q1, tmp_q2, tmp_q3, res_q0, res_q1,
+ res_q2, res_q3, conv_params->fwd_offset,
+ conv_params->bck_offset, sub_const_vec, bits,
+ conv_params->use_jnt_comp_avg, &tmp_shift0,
+ &tmp_shift1, &tmp_shift2, &tmp_shift3);
+
+ vst1_u8(dst8_1 + (0 * dst8_stride), tmp_shift0);
+ vst1_u8(dst8_1 + (1 * dst8_stride), tmp_shift1);
+ vst1_u8(dst8_1 + (2 * dst8_stride), tmp_shift2);
+ vst1_u8(dst8_1 + (3 * dst8_stride), tmp_shift3);
+
+ } else {
+ vst1q_u16(dst_1 + (0 * dst_stride), res_q0);
+ vst1q_u16(dst_1 + (1 * dst_stride), res_q1);
+ vst1q_u16(dst_1 + (2 * dst_stride), res_q2);
+ vst1q_u16(dst_1 + (3 * dst_stride), res_q3);
+ }
+ src1 = src1 + 8;
+ dst_1 = dst_1 + 8;
+ dst8_1 = dst8_1 + 8;
+ }
+ src += src_stride * 4;
+ dst8 += dst8_stride * 4;
+ dst += dst_stride * 4;
+ }
+ } else if (!(w & 0x03)) {
+ for (y = 0; y < (h >> 2); ++y) {
+ src1 = src;
+ dst8_1 = dst8;
+ dst_1 = dst;
+
+ load_u8_8x4(src1, src_stride, &res0_8, &res1_8, &res2_8, &res3_8);
+
+ res4 = vadd_u16(vshl_u16(vget_low_u16(vmovl_u8(res0_8)), dup_bits16x4),
+ vreinterpret_u16_s16(sub_const_vec));
+ res5 = vadd_u16(vshl_u16(vget_low_u16(vmovl_u8(res1_8)), dup_bits16x4),
+ vreinterpret_u16_s16(sub_const_vec));
+ res6 = vadd_u16(vshl_u16(vget_low_u16(vmovl_u8(res2_8)), dup_bits16x4),
+ vreinterpret_u16_s16(sub_const_vec));
+ res7 = vadd_u16(vshl_u16(vget_low_u16(vmovl_u8(res3_8)), dup_bits16x4),
+ vreinterpret_u16_s16(sub_const_vec));
+ if (conv_params->do_average) {
+ load_u16_4x4(dst_1, dst_stride, &tmp4, &tmp5, &tmp6, &tmp7);
+
+ compute_avg_4x4(tmp4, tmp5, tmp6, tmp7, res4, res5, res6, res7,
+ conv_params->fwd_offset, conv_params->bck_offset,
+ sub_const_vec, bits, conv_params->use_jnt_comp_avg,
+ &tmp_shift0, &tmp_shift1);
+
+ vst1_lane_u32((uint32_t *)(dst8_1), vreinterpret_u32_u8(tmp_shift0), 0);
+ dst8_1 += dst8_stride;
+ vst1_lane_u32((uint32_t *)(dst8_1), vreinterpret_u32_u8(tmp_shift0), 1);
+ dst8_1 += dst8_stride;
+ vst1_lane_u32((uint32_t *)(dst8_1), vreinterpret_u32_u8(tmp_shift1), 0);
+ dst8_1 += dst8_stride;
+ vst1_lane_u32((uint32_t *)(dst8_1), vreinterpret_u32_u8(tmp_shift1), 1);
+
+ } else {
+ vst1_u16(dst_1, res4);
+ dst_1 += dst_stride;
+ vst1_u16(dst_1, res5);
+ dst_1 += dst_stride;
+ vst1_u16(dst_1, res6);
+ dst_1 += dst_stride;
+ vst1_u16(dst_1, res7);
+ }
+ src += src_stride * 4;
+ dst += dst_stride * 4;
+ dst8 += dst8_stride * 4;
+ }
+ }
+}
+
+void av1_jnt_convolve_x_neon(const uint8_t *src, int src_stride, uint8_t *dst8,
+ int dst8_stride, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ assert(!(w % 4));
+ assert(!(h % 4));
+
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ int dst_stride = conv_params->dst_stride;
+ const int horiz_offset = filter_params_x->taps / 2 - 1;
+ const int bits = FILTER_BITS - conv_params->round_1;
+ const int bd = 8;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int round_offset = (1 << (offset_bits - conv_params->round_1)) +
+ (1 << (offset_bits - conv_params->round_1 - 1));
+ const int round_bits =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const uint16_t fwd_offset = conv_params->fwd_offset;
+ const uint16_t bck_offset = conv_params->bck_offset;
+ const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg;
+
+ (void)filter_params_y;
+ (void)subpel_y_q4;
+
+ // horizontal filter
+ const int16_t *x_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_x, subpel_x_q4 & SUBPEL_MASK);
+
+ const uint8_t *src_ptr = src - horiz_offset;
+
+ int16_t x_filter_tmp[8];
+ int16x8_t filter_x_coef = vld1q_s16(x_filter);
+
+ // filter coeffs are even, so downshifting by 1 to reduce intermediate
+ // precision requirements.
+ filter_x_coef = vshrq_n_s16(filter_x_coef, 1);
+ vst1q_s16(&x_filter_tmp[0], filter_x_coef);
+
+ const uint8_t *s;
+ uint8_t *d_u8;
+ uint8_t *dst_u8_ptr;
+ CONV_BUF_TYPE *d, *dst_ptr;
+ int width, height;
+ uint8x8_t t0;
+#if defined(__aarch64__)
+ uint8x8_t t1, t2, t3, t4, t5, t6, t7;
+#endif
+ s = src_ptr;
+ dst_ptr = dst;
+ dst_u8_ptr = dst8;
+ width = w;
+ height = h;
+
+ if ((w == 4) || (h == 4)) {
+ int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0;
+ int16x8_t tt0;
+ uint16x4_t res4;
+#if defined(__aarch64__)
+ int16x4_t s8, s9, s10, d1, d2, d3;
+ int16x8_t tt1, tt2, tt3;
+ uint16x4_t res5, res6, res7;
+ uint32x2_t tu0 = vdup_n_u32(0), tu1 = vdup_n_u32(0);
+ int16x8_t u0, u1;
+#else
+ int16x4_t temp_0;
+#endif
+ const int16x4_t zero = vdup_n_s16(0);
+ const int16x4_t round_offset_vec = vdup_n_s16(round_offset);
+ const int16x4_t shift_round_0 = vdup_n_s16(-conv_params->round_0 + 1);
+ const int16x4_t horiz_const = vdup_n_s16(bits);
+ do {
+ s = src_ptr;
+ d = dst_ptr;
+ d_u8 = dst_u8_ptr;
+ width = w;
+ __builtin_prefetch(s + 0 * src_stride);
+#if defined(__aarch64__)
+ __builtin_prefetch(s + 1 * src_stride);
+ __builtin_prefetch(s + 2 * src_stride);
+ __builtin_prefetch(s + 3 * src_stride);
+
+ load_u8_8x4(s, src_stride, &t0, &t1, &t2, &t3);
+ transpose_u8_8x4(&t0, &t1, &t2, &t3);
+ tt0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ tt1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ tt2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ tt3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s0 = vget_low_s16(tt0);
+ s1 = vget_low_s16(tt1);
+ s2 = vget_low_s16(tt2);
+ s3 = vget_low_s16(tt3);
+ s4 = vget_high_s16(tt0);
+ s5 = vget_high_s16(tt1);
+ s6 = vget_high_s16(tt2);
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d + 1 * dst_stride);
+ __builtin_prefetch(d + 2 * dst_stride);
+ __builtin_prefetch(d + 3 * dst_stride);
+ s += 7;
+ do {
+ load_unaligned_u8_4x4(s, src_stride, &tu0, &tu1);
+ t0 = vreinterpret_u8_u32(tu0);
+ t1 = vreinterpret_u8_u32(tu1);
+
+ transpose_u8_4x4(&t0, &t1);
+ u0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ u1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+
+ s7 = vget_low_s16(u0);
+ s8 = vget_low_s16(u1);
+ s9 = vget_high_s16(u0);
+ s10 = vget_high_s16(u1);
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ zero, shift_round_0);
+ d0 = vrshl_s16(d0, horiz_const);
+ d0 = vadd_s16(d0, round_offset_vec);
+ d1 = convolve8_4x4_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter_tmp,
+ zero, shift_round_0);
+ d1 = vrshl_s16(d1, horiz_const);
+ d1 = vadd_s16(d1, round_offset_vec);
+ d2 = convolve8_4x4_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter_tmp,
+ zero, shift_round_0);
+ d2 = vrshl_s16(d2, horiz_const);
+ d2 = vadd_s16(d2, round_offset_vec);
+ d3 = convolve8_4x4_s16(s3, s4, s5, s6, s7, s8, s9, s10, x_filter_tmp,
+ zero, shift_round_0);
+ d3 = vrshl_s16(d3, horiz_const);
+ d3 = vadd_s16(d3, round_offset_vec);
+
+ transpose_s16_4x4d(&d0, &d1, &d2, &d3);
+
+ if (conv_params->do_average) {
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d + 1 * dst_stride);
+ __builtin_prefetch(d + 2 * dst_stride);
+ __builtin_prefetch(d + 3 * dst_stride);
+
+ __builtin_prefetch(d_u8 + 0 * dst8_stride);
+ __builtin_prefetch(d_u8 + 1 * dst8_stride);
+ __builtin_prefetch(d_u8 + 2 * dst8_stride);
+ __builtin_prefetch(d_u8 + 3 * dst8_stride);
+
+ load_u16_4x4(d, dst_stride, &res4, &res5, &res6, &res7);
+
+ compute_avg_4x4(res4, res5, res6, res7, vreinterpret_u16_s16(d0),
+ vreinterpret_u16_s16(d1), vreinterpret_u16_s16(d2),
+ vreinterpret_u16_s16(d3), fwd_offset, bck_offset,
+ round_offset_vec, round_bits, use_jnt_comp_avg, &t0,
+ &t1);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0),
+ 0); // 00 01 02 03
+ vst1_lane_u32((uint32_t *)(d_u8 + dst8_stride),
+ vreinterpret_u32_u8(t0),
+ 1); // 10 11 12 13
+ vst1_lane_u32((uint32_t *)(d_u8 + 2 * dst8_stride),
+ vreinterpret_u32_u8(t1),
+ 0); // 20 21 22 23
+ vst1_lane_u32((uint32_t *)(d_u8 + 3 * dst8_stride),
+ vreinterpret_u32_u8(t1),
+ 1); // 30 31 32 33
+ } else {
+ store_u16_4x4(d, dst_stride, vreinterpret_u16_s16(d0),
+ vreinterpret_u16_s16(d1), vreinterpret_u16_s16(d2),
+ vreinterpret_u16_s16(d3));
+ }
+
+ s0 = s4;
+ s1 = s5;
+ s2 = s6;
+ s3 = s7;
+ s4 = s8;
+ s5 = s9;
+ s6 = s10;
+
+ s += 4;
+ width -= 4;
+ d += 4;
+ d_u8 += 4;
+ } while (width > 0);
+ src_ptr += (src_stride << 2);
+ dst_ptr += (dst_stride << 2);
+ dst_u8_ptr += (dst8_stride << 2);
+ height -= 4;
+#else
+ t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7
+ tt0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7
+ s0 = vget_low_s16(tt0); // a0 a1 a2 a3
+ s4 = vget_high_s16(tt0); // a4 a5 a6 a7
+ __builtin_prefetch(d);
+
+ s += 8;
+ do {
+ t0 = vld1_u8(s); // a8 a9 a10 a11
+
+ // a8 a9 a10 a11
+ s7 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0)));
+ temp_0 = s7;
+ s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4
+ s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5
+ s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6
+ s5 = vext_s16(s4, s7, 1); // a5 a6 a7 a8
+ s6 = vext_s16(s4, s7, 2); // a6 a7 a8 a9
+ s7 = vext_s16(s4, s7, 3); // a7 a8 a9 a10
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ zero, shift_round_0);
+ d0 = vrshl_s16(d0, horiz_const);
+ d0 = vadd_s16(d0, round_offset_vec);
+ s0 = s4;
+ s4 = temp_0;
+ if (conv_params->do_average) {
+ __builtin_prefetch(d);
+ __builtin_prefetch(d_u8);
+
+ res4 = vld1_u16(d);
+
+ compute_avg_4x1(res4, vreinterpret_u16_s16(d0), fwd_offset,
+ bck_offset, round_offset_vec, round_bits,
+ use_jnt_comp_avg, &t0);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0),
+ 0); // 00 01 02 03
+ } else {
+ vst1_u16(d, vreinterpret_u16_s16(d0));
+ }
+
+ s += 4;
+ width -= 4;
+ d += 4;
+ d_u8 += 4;
+ } while (width > 0);
+ src_ptr += (src_stride);
+ dst_ptr += (dst_stride);
+ dst_u8_ptr += (dst8_stride);
+ height--;
+#endif
+ } while (height > 0);
+ } else {
+ CONV_BUF_TYPE *d_tmp;
+ uint8_t *d_u8_tmp;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7;
+ int16x8_t res0;
+ uint16x8_t res8;
+ const int16x8_t round_offset128 = vdupq_n_s16(round_offset);
+ const int16x4_t round_offset64 = vdup_n_s16(round_offset);
+ const int16x8_t shift_round_0 = vdupq_n_s16(-conv_params->round_0 + 1);
+ const int16x8_t horiz_const = vdupq_n_s16(bits);
+ const int16x8_t zero = vdupq_n_s16(0);
+
+ d = dst_ptr = dst;
+ d_u8 = dst_u8_ptr = dst8;
+ do {
+#if defined(__aarch64__)
+ int16x8_t s11, s12, s13, s14;
+ int16x8_t s8, s9, s10;
+ int16x8_t res1, res2, res3, res4, res5, res6, res7;
+ uint16x8_t res9, res10, res11;
+ __builtin_prefetch(src_ptr + 0 * src_stride);
+ __builtin_prefetch(src_ptr + 1 * src_stride);
+ __builtin_prefetch(src_ptr + 2 * src_stride);
+ __builtin_prefetch(src_ptr + 3 * src_stride);
+ __builtin_prefetch(src_ptr + 4 * src_stride);
+ __builtin_prefetch(src_ptr + 5 * src_stride);
+ __builtin_prefetch(src_ptr + 6 * src_stride);
+ __builtin_prefetch(src_ptr + 7 * src_stride);
+ load_u8_8x8(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s4 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s5 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s6 = vreinterpretq_s16_u16(vmovl_u8(t6));
+
+ width = w;
+ s = src_ptr + 7;
+ d = dst_ptr;
+ d_u8_tmp = dst_u8_ptr;
+
+ __builtin_prefetch(dst_ptr + 0 * dst_stride);
+ __builtin_prefetch(dst_ptr + 1 * dst_stride);
+ __builtin_prefetch(dst_ptr + 2 * dst_stride);
+ __builtin_prefetch(dst_ptr + 3 * dst_stride);
+ __builtin_prefetch(dst_ptr + 4 * dst_stride);
+ __builtin_prefetch(dst_ptr + 5 * dst_stride);
+ __builtin_prefetch(dst_ptr + 6 * dst_stride);
+ __builtin_prefetch(dst_ptr + 7 * dst_stride);
+
+ do {
+ d_u8 = d_u8_tmp;
+ d_tmp = d;
+
+ load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ transpose_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+ s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s9 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s10 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s11 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s12 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s13 = vreinterpretq_s16_u16(vmovl_u8(t6));
+ s14 = vreinterpretq_s16_u16(vmovl_u8(t7));
+
+ res0 = convolve8_8x8_s16(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_tmp,
+ zero, shift_round_0);
+
+ res0 = vrshlq_s16(res0, horiz_const);
+ res0 = vaddq_s16(res0, round_offset128);
+
+ res1 = convolve8_8x8_s16(s1, s2, s3, s4, s5, s6, s7, s8, x_filter_tmp,
+ zero, shift_round_0);
+ res1 = vrshlq_s16(res1, horiz_const);
+ res1 = vaddq_s16(res1, round_offset128);
+ res2 = convolve8_8x8_s16(s2, s3, s4, s5, s6, s7, s8, s9, x_filter_tmp,
+ zero, shift_round_0);
+ res2 = vrshlq_s16(res2, horiz_const);
+ res2 = vaddq_s16(res2, round_offset128);
+ res3 = convolve8_8x8_s16(s3, s4, s5, s6, s7, s8, s9, s10, x_filter_tmp,
+ zero, shift_round_0);
+ res3 = vrshlq_s16(res3, horiz_const);
+ res3 = vaddq_s16(res3, round_offset128);
+ res4 = convolve8_8x8_s16(s4, s5, s6, s7, s8, s9, s10, s11, x_filter_tmp,
+ zero, shift_round_0);
+ res4 = vrshlq_s16(res4, horiz_const);
+ res4 = vaddq_s16(res4, round_offset128);
+ res5 = convolve8_8x8_s16(s5, s6, s7, s8, s9, s10, s11, s12,
+ x_filter_tmp, zero, shift_round_0);
+ res5 = vrshlq_s16(res5, horiz_const);
+ res5 = vaddq_s16(res5, round_offset128);
+ res6 = convolve8_8x8_s16(s6, s7, s8, s9, s10, s11, s12, s13,
+ x_filter_tmp, zero, shift_round_0);
+ res6 = vrshlq_s16(res6, horiz_const);
+ res6 = vaddq_s16(res6, round_offset128);
+ res7 = convolve8_8x8_s16(s7, s8, s9, s10, s11, s12, s13, s14,
+ x_filter_tmp, zero, shift_round_0);
+ res7 = vrshlq_s16(res7, horiz_const);
+ res7 = vaddq_s16(res7, round_offset128);
+
+ transpose_s16_8x8(&res0, &res1, &res2, &res3, &res4, &res5, &res6,
+ &res7);
+
+ if (conv_params->do_average) {
+ load_u16_8x4(d_tmp, dst_stride, &res8, &res9, &res10, &res11);
+ d_tmp += (dst_stride << 2);
+
+ compute_avg_8x4(
+ res8, res9, res10, res11, vreinterpretq_u16_s16(res0),
+ vreinterpretq_u16_s16(res1), vreinterpretq_u16_s16(res2),
+ vreinterpretq_u16_s16(res3), fwd_offset, bck_offset,
+ round_offset64, round_bits, use_jnt_comp_avg, &t0, &t1, &t2, &t3);
+
+ store_u8_8x4(d_u8, dst8_stride, t0, t1, t2, t3);
+ d_u8 += (dst8_stride << 2);
+
+ load_u16_8x4(d_tmp, dst_stride, &res8, &res9, &res10, &res11);
+ d_tmp += (dst_stride << 2);
+
+ compute_avg_8x4(
+ res8, res9, res10, res11, vreinterpretq_u16_s16(res4),
+ vreinterpretq_u16_s16(res5), vreinterpretq_u16_s16(res6),
+ vreinterpretq_u16_s16(res7), fwd_offset, bck_offset,
+ round_offset64, round_bits, use_jnt_comp_avg, &t0, &t1, &t2, &t3);
+
+ store_u8_8x4(d_u8, dst8_stride, t0, t1, t2, t3);
+ d_u8 += (dst8_stride << 2);
+ } else {
+ store_u16_8x8(
+ d_tmp, dst_stride, vreinterpretq_u16_s16(res0),
+ vreinterpretq_u16_s16(res1), vreinterpretq_u16_s16(res2),
+ vreinterpretq_u16_s16(res3), vreinterpretq_u16_s16(res4),
+ vreinterpretq_u16_s16(res5), vreinterpretq_u16_s16(res6),
+ vreinterpretq_u16_s16(res7));
+ d_tmp += (dst_stride << 3);
+ }
+
+ s0 = s8;
+ s1 = s9;
+ s2 = s10;
+ s3 = s11;
+ s4 = s12;
+ s5 = s13;
+ s6 = s14;
+ s += 8;
+ d += 8;
+ width -= 8;
+ d_u8_tmp += 8;
+ } while (width > 0);
+ src_ptr += 8 * src_stride;
+ dst_ptr += 8 * dst_stride;
+ dst_u8_ptr += 8 * dst8_stride;
+ height -= 8;
+#else
+ int16x8_t temp_0;
+ __builtin_prefetch(src_ptr);
+ t0 = vld1_u8(src_ptr);
+ s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7
+
+ width = w;
+ s = src_ptr + 8;
+ d = dst_ptr;
+ d_u8_tmp = dst_u8_ptr;
+
+ __builtin_prefetch(dst_ptr);
+
+ do {
+ d_u8 = d_u8_tmp;
+ d_tmp = d;
+
+ t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15
+ s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ temp_0 = s0;
+ s0 = s7;
+
+ s1 = vextq_s16(temp_0, s7, 1); // a1 a2 a3 a4 a5 a6 a7 a8
+ s2 = vextq_s16(temp_0, s7, 2); // a2 a3 a4 a5 a6 a7 a8 a9
+ s3 = vextq_s16(temp_0, s7, 3); // a3 a4 a5 a6 a7 a8 a9 a10
+ s4 = vextq_s16(temp_0, s7, 4); // a4 a5 a6 a7 a8 a9 a10 a11
+ s5 = vextq_s16(temp_0, s7, 5); // a5 a6 a7 a8 a9 a10 a11 a12
+ s6 = vextq_s16(temp_0, s7, 6); // a6 a7 a8 a9 a10 a11 a12 a13
+ s7 = vextq_s16(temp_0, s7, 7); // a7 a8 a9 a10 a11 a12 a13 a14
+
+ res0 = convolve8_8x8_s16(temp_0, s1, s2, s3, s4, s5, s6, s7,
+ x_filter_tmp, zero, shift_round_0);
+
+ res0 = vrshlq_s16(res0, horiz_const);
+ res0 = vaddq_s16(res0, round_offset128);
+
+ if (conv_params->do_average) {
+ res8 = vld1q_u16(d_tmp);
+ d_tmp += (dst_stride);
+
+ compute_avg_8x1(res8, vreinterpretq_u16_s16(res0), fwd_offset,
+ bck_offset, round_offset64, round_bits,
+ use_jnt_comp_avg, &t0);
+
+ vst1_u8(d_u8, t0);
+ d_u8 += (dst8_stride);
+ } else {
+ vst1q_u16(d_tmp, vreinterpretq_u16_s16(res0));
+ d_tmp += (dst_stride);
+ }
+
+ s += 8;
+ d += 8;
+ width -= 8;
+ d_u8_tmp += 8;
+ } while (width > 0);
+ src_ptr += src_stride;
+ dst_ptr += dst_stride;
+ dst_u8_ptr += dst8_stride;
+ height--;
+#endif
+ } while (height > 0);
+ }
+}
+
+void av1_jnt_convolve_y_neon(const uint8_t *src, int src_stride, uint8_t *dst8,
+ int dst8_stride, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_x_q4, const int subpel_y_q4,
+ ConvolveParams *conv_params) {
+ assert(!(w % 4));
+ assert(!(h % 4));
+
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ const int dst_stride = conv_params->dst_stride;
+ const int vert_offset = filter_params_y->taps / 2 - 1;
+ const int bits = FILTER_BITS - conv_params->round_0;
+ const int bd = 8;
+ const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
+ const int round_offset = (1 << (offset_bits - conv_params->round_1)) +
+ (1 << (offset_bits - conv_params->round_1 - 1));
+ const int round_bits =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const uint16_t fwd_offset = conv_params->fwd_offset;
+ const uint16_t bck_offset = conv_params->bck_offset;
+ const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg;
+ const int shift_value = (conv_params->round_1 - 1 - bits);
+
+ (void)filter_params_x;
+ (void)subpel_x_q4;
+
+ // vertical filter
+ const int16_t *y_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_y, subpel_y_q4 & SUBPEL_MASK);
+
+ const uint8_t *src_ptr = src - (vert_offset * src_stride);
+
+ int16_t y_filter_tmp[8];
+ int16x8_t filter_y_coef = vld1q_s16(y_filter);
+
+ // filter coeffs are even, so downshifting by 1 to reduce intermediate
+ // precision requirements.
+ filter_y_coef = vshrq_n_s16(filter_y_coef, 1);
+ vst1q_s16(&y_filter_tmp[0], filter_y_coef);
+
+ const uint8_t *s;
+ uint8_t *d_u8;
+ uint8_t *dst_u8_ptr;
+ CONV_BUF_TYPE *d, *dst_ptr;
+ int width, height;
+
+ s = src_ptr;
+ dst_ptr = dst;
+ dst_u8_ptr = dst8;
+ width = w;
+ height = h;
+
+ // used to get rid of multiplication = (vertical filter output sum) *
+ // (1<<bits).
+ assert((conv_params->round_1 - 2) >= bits);
+
+ if ((w == 4) || (h == 4)) {
+ int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, d0;
+ uint16x4_t res4;
+ uint32x2_t tu0 = vdup_n_u32(0), tu1 = vdup_n_u32(0), tu2 = vdup_n_u32(0),
+ tu3 = vdup_n_u32(0);
+ int16x8_t u0, u1, u2, u3;
+ uint8x8_t t0;
+
+#if defined(__aarch64__)
+ int16x4_t s8, s9, s10, d1, d2, d3;
+ uint16x4_t res5, res6, res7;
+ uint8x8_t t1;
+#endif
+ const int16x4_t round_offset64 = vdup_n_s16(round_offset);
+ const int16x4_t shift_vec = vdup_n_s16(-shift_value);
+ const int16x4_t zero = vdup_n_s16(0);
+
+ do {
+ s = src_ptr;
+ d = dst_ptr;
+ d_u8 = dst_u8_ptr;
+ height = h;
+ __builtin_prefetch(s + 0 * src_stride);
+ __builtin_prefetch(s + 1 * src_stride);
+ __builtin_prefetch(s + 2 * src_stride);
+ __builtin_prefetch(s + 3 * src_stride);
+
+ load_unaligned_u8_4x8(s, src_stride, &tu0, &tu1, &tu2, &tu3);
+
+ u0 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu0)));
+ u1 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu1)));
+ u2 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu2)));
+ u3 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu3)));
+
+ s0 = vget_low_s16(u0);
+ s1 = vget_high_s16(u0);
+ s2 = vget_low_s16(u1);
+ s3 = vget_high_s16(u1);
+ s4 = vget_low_s16(u2);
+ s5 = vget_high_s16(u2);
+ s6 = vget_low_s16(u3);
+
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d + 1 * dst_stride);
+ __builtin_prefetch(d + 2 * dst_stride);
+ __builtin_prefetch(d + 3 * dst_stride);
+
+ s += (7 * src_stride);
+ do {
+#if defined(__aarch64__)
+ load_unaligned_u8_4x4(s, src_stride, &tu0, &tu1);
+
+ u0 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu0)));
+ u1 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu1)));
+
+ s7 = vget_low_s16(u0);
+ s8 = vget_high_s16(u0);
+ s9 = vget_low_s16(u1);
+ s10 = vget_high_s16(u1);
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter_tmp,
+ zero, shift_vec);
+ d0 = vadd_s16(d0, round_offset64);
+ d1 = convolve8_4x4_s16(s1, s2, s3, s4, s5, s6, s7, s8, y_filter_tmp,
+ zero, shift_vec);
+ d1 = vadd_s16(d1, round_offset64);
+ d2 = convolve8_4x4_s16(s2, s3, s4, s5, s6, s7, s8, s9, y_filter_tmp,
+ zero, shift_vec);
+ d2 = vadd_s16(d2, round_offset64);
+ d3 = convolve8_4x4_s16(s3, s4, s5, s6, s7, s8, s9, s10, y_filter_tmp,
+ zero, shift_vec);
+ d3 = vadd_s16(d3, round_offset64);
+
+ if (conv_params->do_average) {
+ __builtin_prefetch(d + 0 * dst_stride);
+ __builtin_prefetch(d + 1 * dst_stride);
+ __builtin_prefetch(d + 2 * dst_stride);
+ __builtin_prefetch(d + 3 * dst_stride);
+
+ __builtin_prefetch(d_u8 + 0 * dst8_stride);
+ __builtin_prefetch(d_u8 + 1 * dst8_stride);
+ __builtin_prefetch(d_u8 + 2 * dst8_stride);
+ __builtin_prefetch(d_u8 + 3 * dst8_stride);
+
+ load_u16_4x4(d, dst_stride, &res4, &res5, &res6, &res7);
+ d += (dst_stride << 2);
+
+ compute_avg_4x4(res4, res5, res6, res7, vreinterpret_u16_s16(d0),
+ vreinterpret_u16_s16(d1), vreinterpret_u16_s16(d2),
+ vreinterpret_u16_s16(d3), fwd_offset, bck_offset,
+ round_offset64, round_bits, use_jnt_comp_avg, &t0,
+ &t1);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 0);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 1);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t1), 0);
+ d_u8 += dst8_stride;
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t1), 1);
+ d_u8 += dst8_stride;
+ } else {
+ store_u16_4x4(d, dst_stride, vreinterpret_u16_s16(d0),
+ vreinterpret_u16_s16(d1), vreinterpret_u16_s16(d2),
+ vreinterpret_u16_s16(d3));
+ d += (dst_stride << 2);
+ }
+
+ s0 = s4;
+ s1 = s5;
+ s2 = s6;
+ s3 = s7;
+ s4 = s8;
+ s5 = s9;
+ s6 = s10;
+
+ s += (src_stride << 2);
+ height -= 4;
+#else
+ load_unaligned_u8_4x1(s, src_stride, &tu0);
+ u0 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu0)));
+ s7 = vget_low_s16(u0);
+
+ d0 = convolve8_4x4_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter_tmp,
+ zero, shift_vec);
+
+ d0 = vadd_s16(d0, round_offset64);
+
+ if (conv_params->do_average) {
+ __builtin_prefetch(d);
+
+ res4 = vld1_u16(d);
+ d += (dst_stride);
+
+ compute_avg_4x1(res4, vreinterpret_u16_s16(d0), fwd_offset,
+ bck_offset, round_offset64, round_bits,
+ use_jnt_comp_avg, &t0);
+
+ vst1_lane_u32((uint32_t *)d_u8, vreinterpret_u32_u8(t0), 0);
+ d_u8 += dst8_stride;
+ } else {
+ vst1_u16(d, vreinterpret_u16_s16(d0));
+ d += (dst_stride);
+ }
+
+ s0 = s1;
+ s1 = s2;
+ s2 = s3;
+ s3 = s4;
+ s4 = s5;
+ s5 = s6;
+ s6 = s7;
+
+ s += (src_stride);
+ height--;
+#endif
+ } while (height > 0);
+ src_ptr += 4;
+ dst_ptr += 4;
+ dst_u8_ptr += 4;
+ width -= 4;
+ } while (width > 0);
+ } else {
+ CONV_BUF_TYPE *d_tmp;
+ int16x8_t s0, s1, s2, s3, s4, s5, s6, s7;
+ int16x8_t res0;
+ uint16x8_t res8;
+ uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7;
+ const int16x8_t round_offset128 = vdupq_n_s16(round_offset);
+ const int16x8_t shift_vec = vdupq_n_s16(-shift_value);
+ const int16x4_t round_offset64 = vdup_n_s16(round_offset);
+ const int16x8_t zero = vdupq_n_s16(0);
+#if defined(__aarch64__)
+ int16x8_t s8, s9, s10, s11, s12, s13, s14;
+ int16x8_t res1, res2, res3, res4, res5, res6, res7;
+ uint16x8_t res10, res11, res9;
+#endif
+ dst_ptr = dst;
+ dst_u8_ptr = dst8;
+ do {
+ __builtin_prefetch(src_ptr + 0 * src_stride);
+ __builtin_prefetch(src_ptr + 1 * src_stride);
+ __builtin_prefetch(src_ptr + 2 * src_stride);
+ __builtin_prefetch(src_ptr + 3 * src_stride);
+ __builtin_prefetch(src_ptr + 4 * src_stride);
+ __builtin_prefetch(src_ptr + 5 * src_stride);
+ __builtin_prefetch(src_ptr + 6 * src_stride);
+ __builtin_prefetch(src_ptr + 7 * src_stride);
+ load_u8_8x8(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+
+ s0 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s1 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s2 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s3 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s4 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s5 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s6 = vreinterpretq_s16_u16(vmovl_u8(t6));
+
+ height = h;
+ s = src_ptr + (7 * src_stride);
+ d_tmp = dst_ptr;
+ d_u8 = dst_u8_ptr;
+
+ do {
+#if defined(__aarch64__)
+ load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7);
+
+ s7 = vreinterpretq_s16_u16(vmovl_u8(t0));
+ s8 = vreinterpretq_s16_u16(vmovl_u8(t1));
+ s9 = vreinterpretq_s16_u16(vmovl_u8(t2));
+ s10 = vreinterpretq_s16_u16(vmovl_u8(t3));
+ s11 = vreinterpretq_s16_u16(vmovl_u8(t4));
+ s12 = vreinterpretq_s16_u16(vmovl_u8(t5));
+ s13 = vreinterpretq_s16_u16(vmovl_u8(t6));
+ s14 = vreinterpretq_s16_u16(vmovl_u8(t7));
+
+ __builtin_prefetch(dst_ptr + 0 * dst_stride);
+ __builtin_prefetch(dst_ptr + 1 * dst_stride);
+ __builtin_prefetch(dst_ptr + 2 * dst_stride);
+ __builtin_prefetch(dst_ptr + 3 * dst_stride);
+
+ res0 = convolve8_8x8_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter_tmp,
+ zero, shift_vec);
+ res0 = vaddq_s16(res0, round_offset128);
+ res1 = convolve8_8x8_s16(s1, s2, s3, s4, s5, s6, s7, s8, y_filter_tmp,
+ zero, shift_vec);
+ res1 = vaddq_s16(res1, round_offset128);
+ res2 = convolve8_8x8_s16(s2, s3, s4, s5, s6, s7, s8, s9, y_filter_tmp,
+ zero, shift_vec);
+ res2 = vaddq_s16(res2, round_offset128);
+ res3 = convolve8_8x8_s16(s3, s4, s5, s6, s7, s8, s9, s10, y_filter_tmp,
+ zero, shift_vec);
+ res3 = vaddq_s16(res3, round_offset128);
+ res4 = convolve8_8x8_s16(s4, s5, s6, s7, s8, s9, s10, s11, y_filter_tmp,
+ zero, shift_vec);
+ res4 = vaddq_s16(res4, round_offset128);
+ res5 = convolve8_8x8_s16(s5, s6, s7, s8, s9, s10, s11, s12,
+ y_filter_tmp, zero, shift_vec);
+ res5 = vaddq_s16(res5, round_offset128);
+ res6 = convolve8_8x8_s16(s6, s7, s8, s9, s10, s11, s12, s13,
+ y_filter_tmp, zero, shift_vec);
+ res6 = vaddq_s16(res6, round_offset128);
+ res7 = convolve8_8x8_s16(s7, s8, s9, s10, s11, s12, s13, s14,
+ y_filter_tmp, zero, shift_vec);
+ res7 = vaddq_s16(res7, round_offset128);
+
+ if (conv_params->do_average) {
+ __builtin_prefetch(d_tmp + 0 * dst8_stride);
+ __builtin_prefetch(d_tmp + 1 * dst8_stride);
+ __builtin_prefetch(d_tmp + 2 * dst8_stride);
+ __builtin_prefetch(d_tmp + 3 * dst8_stride);
+
+ load_u16_8x4(d_tmp, dst_stride, &res8, &res9, &res10, &res11);
+ d_tmp += (dst_stride << 2);
+
+ compute_avg_8x4(
+ res8, res9, res10, res11, vreinterpretq_u16_s16(res0),
+ vreinterpretq_u16_s16(res1), vreinterpretq_u16_s16(res2),
+ vreinterpretq_u16_s16(res3), fwd_offset, bck_offset,
+ round_offset64, round_bits, use_jnt_comp_avg, &t0, &t1, &t2, &t3);
+
+ store_u8_8x4(d_u8, dst8_stride, t0, t1, t2, t3);
+ d_u8 += (dst8_stride << 2);
+
+ load_u16_8x4(d_tmp, dst_stride, &res8, &res9, &res10, &res11);
+ d_tmp += (dst_stride << 2);
+
+ compute_avg_8x4(
+ res8, res9, res10, res11, vreinterpretq_u16_s16(res4),
+ vreinterpretq_u16_s16(res5), vreinterpretq_u16_s16(res6),
+ vreinterpretq_u16_s16(res7), fwd_offset, bck_offset,
+ round_offset64, round_bits, use_jnt_comp_avg, &t0, &t1, &t2, &t3);
+
+ store_u8_8x4(d_u8, dst8_stride, t0, t1, t2, t3);
+ d_u8 += (dst8_stride << 2);
+ } else {
+ store_u16_8x8(
+ d_tmp, dst_stride, vreinterpretq_u16_s16(res0),
+ vreinterpretq_u16_s16(res1), vreinterpretq_u16_s16(res2),
+ vreinterpretq_u16_s16(res3), vreinterpretq_u16_s16(res4),
+ vreinterpretq_u16_s16(res5), vreinterpretq_u16_s16(res6),
+ vreinterpretq_u16_s16(res7));
+ d_tmp += (dst_stride << 3);
+ }
+
+ s0 = s8;
+ s1 = s9;
+ s2 = s10;
+ s3 = s11;
+ s4 = s12;
+ s5 = s13;
+ s6 = s14;
+ s += (8 * src_stride);
+ height -= 8;
+#else
+ s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s)));
+
+ __builtin_prefetch(dst_ptr);
+
+ res0 = convolve8_8x8_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter_tmp,
+ zero, shift_vec);
+ res0 = vaddq_s16(res0, round_offset128);
+
+ s0 = s1;
+ s1 = s2;
+ s2 = s3;
+ s3 = s4;
+ s4 = s5;
+ s5 = s6;
+ s6 = s7;
+
+ if (conv_params->do_average) {
+ __builtin_prefetch(d_tmp);
+
+ res8 = vld1q_u16(d_tmp);
+ d_tmp += (dst_stride);
+
+ compute_avg_8x1(res8, vreinterpretq_u16_s16(res0), fwd_offset,
+ bck_offset, round_offset64, round_bits,
+ use_jnt_comp_avg, &t0);
+
+ vst1_u8(d_u8, t0);
+ d_u8 += (dst8_stride);
+ } else {
+ vst1q_u16(d_tmp, vreinterpretq_u16_s16(res0));
+ d_tmp += dst_stride;
+ }
+
+ s += (src_stride);
+ height--;
+#endif
+ } while (height > 0);
+ src_ptr += 8;
+ dst_ptr += 8;
+ dst_u8_ptr += 8;
+ width -= 8;
+ } while (width > 0);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 20:07:59 +0000