/* * 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 #include #include "aom_dsp/arm/mem_neon.h" #include "aom_dsp/arm/transpose_neon.h" #include "av1/common/arm/compound_convolve_neon.h" #include "config/aom_config.h" #include "config/av1_rtcd.h" static inline int16x4_t convolve4_4_2d_h(const int16x4_t s0, const int16x4_t s1, const int16x4_t s2, const int16x4_t s3, const int16x4_t x_filter, const int16x4_t horiz_const) { int16x4_t sum = horiz_const; sum = vmla_lane_s16(sum, s0, x_filter, 0); sum = vmla_lane_s16(sum, s1, x_filter, 1); sum = vmla_lane_s16(sum, s2, x_filter, 2); sum = vmla_lane_s16(sum, s3, x_filter, 3); // We halved the convolution filter values so -1 from the right shift. return vshr_n_s16(sum, ROUND0_BITS - 1); } static inline int16x8_t convolve8_8_2d_h(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 x_filter, const int16x8_t horiz_const) { const int16x4_t x_filter_0_3 = vget_low_s16(x_filter); const int16x4_t x_filter_4_7 = vget_high_s16(x_filter); int16x8_t sum = horiz_const; sum = vmlaq_lane_s16(sum, s0, x_filter_0_3, 0); sum = vmlaq_lane_s16(sum, s1, x_filter_0_3, 1); sum = vmlaq_lane_s16(sum, s2, x_filter_0_3, 2); sum = vmlaq_lane_s16(sum, s3, x_filter_0_3, 3); sum = vmlaq_lane_s16(sum, s4, x_filter_4_7, 0); sum = vmlaq_lane_s16(sum, s5, x_filter_4_7, 1); sum = vmlaq_lane_s16(sum, s6, x_filter_4_7, 2); sum = vmlaq_lane_s16(sum, s7, x_filter_4_7, 3); // We halved the convolution filter values so -1 from the right shift. return vshrq_n_s16(sum, ROUND0_BITS - 1); } static inline void dist_wtd_convolve_2d_horiz_neon( const uint8_t *src, int src_stride, int16_t *im_block, const int im_stride, const int16_t *x_filter_ptr, const int im_h, int w) { const int bd = 8; const uint8_t *src_ptr = src; int16_t *dst_ptr = im_block; int dst_stride = im_stride; int height = im_h; if (w == 4) { // A shim of 1 << ((ROUND0_BITS - 1) - 1) enables us to use non-rounding // shifts - which are generally faster than rounding shifts on modern CPUs. // (The extra -1 is needed because we halved the filter values.) const int16x4_t horiz_const = vdup_n_s16((1 << (bd + FILTER_BITS - 2)) + (1 << ((ROUND0_BITS - 1) - 1))); // 4-tap filters are used for blocks having width <= 4. // Filter values are even, so halve to reduce intermediate precision reqs. const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); src_ptr += 2; do { uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); __builtin_prefetch(dst_ptr); int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 int16x4_t d0 = convolve4_4_2d_h(s0, s1, s2, s3, x_filter, horiz_const); vst1_s16(dst_ptr, d0); src_ptr += src_stride; dst_ptr += dst_stride; } while (--height != 0); } else { // A shim of 1 << ((ROUND0_BITS - 1) - 1) enables us to use non-rounding // shifts - which are generally faster than rounding shifts on modern CPUs. // (The extra -1 is needed because we halved the filter values.) const int16x8_t horiz_const = vdupq_n_s16((1 << (bd + FILTER_BITS - 2)) + (1 << ((ROUND0_BITS - 1) - 1))); // Filter values are even, so halve to reduce intermediate precision reqs. const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); #if AOM_ARCH_AARCH64 do { const uint8_t *s; int16_t *d = dst_ptr; int width = w; __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); uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; load_u8_8x8(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); s = src_ptr + 7; __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_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); int16x8_t d0 = convolve8_8_2d_h(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, horiz_const); int16x8_t d1 = convolve8_8_2d_h(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, horiz_const); int16x8_t d2 = convolve8_8_2d_h(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, horiz_const); int16x8_t d3 = convolve8_8_2d_h(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, horiz_const); int16x8_t d4 = convolve8_8_2d_h(s4, s5, s6, s7, s8, s9, s10, s11, x_filter, horiz_const); int16x8_t d5 = convolve8_8_2d_h(s5, s6, s7, s8, s9, s10, s11, s12, x_filter, horiz_const); int16x8_t d6 = convolve8_8_2d_h(s6, s7, s8, s9, s10, s11, s12, s13, x_filter, horiz_const); int16x8_t d7 = convolve8_8_2d_h(s7, s8, s9, s10, s11, s12, s13, s14, x_filter, horiz_const); transpose_elems_inplace_s16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); store_s16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8; d += 8; width -= 8; } while (width > 0); src_ptr += 8 * src_stride; dst_ptr += 8 * dst_stride; height -= 8; } while (height > 8); #endif // AOM_ARCH_AARCH64 do { const uint8_t *s; int16_t *d = dst_ptr; int width = w; uint8x8_t t0 = vld1_u8(src_ptr); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); // a0 a1 a2 a3 a4 a5 a6 a7 s = src_ptr + 8; __builtin_prefetch(dst_ptr); do { t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 int16x8_t d0 = convolve8_8_2d_h(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, horiz_const); vst1q_s16(d, d0); s0 = s8; s += 8; d += 8; width -= 8; } while (width > 0); src_ptr += src_stride; dst_ptr += dst_stride; } while (--height != 0); } } void av1_dist_wtd_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_qn, const int subpel_y_qn, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); DECLARE_ALIGNED(16, int16_t, im_block[(MAX_SB_SIZE + SUBPEL_TAPS - 1) * MAX_SB_SIZE]); const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); const int clamped_y_taps = y_filter_taps < 6 ? 6 : y_filter_taps; const int im_h = h + clamped_y_taps - 1; const int im_stride = MAX_SB_SIZE; const int vert_offset = clamped_y_taps / 2 - 1; const int horiz_offset = filter_params_x->taps / 2 - 1; const uint8_t *src_ptr = src - vert_offset * src_stride - horiz_offset; const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_x, subpel_x_qn & SUBPEL_MASK); const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_y, subpel_y_qn & SUBPEL_MASK); const int16x8_t y_filter = vld1q_s16(y_filter_ptr); dist_wtd_convolve_2d_horiz_neon(src_ptr, src_stride, im_block, im_stride, x_filter_ptr, im_h, w); if (clamped_y_taps == 6) { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_2d_vert_6tap_dist_wtd_avg_neon( im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, w); } else { dist_wtd_convolve_2d_vert_6tap_avg_neon(im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, w); } } else { dist_wtd_convolve_2d_vert_6tap_neon(im_block, im_stride, conv_params, y_filter, h, w); } } else { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_2d_vert_8tap_dist_wtd_avg_neon( im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, w); } else { dist_wtd_convolve_2d_vert_8tap_avg_neon(im_block, im_stride, dst8, dst8_stride, conv_params, y_filter, h, w); } } else { dist_wtd_convolve_2d_vert_8tap_neon(im_block, im_stride, conv_params, y_filter, h, w); } } } static inline void dist_wtd_convolve_2d_copy_dist_wtd_avg_neon( const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); const uint16_t fwd_offset = conv_params->fwd_offset; const uint16_t bck_offset = conv_params->bck_offset; CONV_BUF_TYPE *dst = conv_params->dst; const int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); uint16x4_t d0 = vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); uint16x4_t d1 = vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); uint16x4_t d2 = vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); uint16x4_t d3 = vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(dst, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_dist_wtd_avg_4x4( dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, vreinterpretq_s16_u16(round_offset_vec), &d01, &d23); store_u8x4_strided_x2(dst8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(dst8 + 2 * dst8_stride, dst8_stride, d23); src += 4 * src_stride; dst += 4 * dst_stride; dst8 += 4 * dst8_stride; height -= 4; } while (height != 0); } else { do { const uint8_t *s = src; CONV_BUF_TYPE *d = dst; uint8_t *d_u8 = dst8; int width = w; do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, vreinterpretq_s16_u16(round_offset_vec), &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src += 4 * src_stride; dst += 4 * dst_stride; dst8 += 4 * dst8_stride; height -= 4; } while (height != 0); } } static inline void dist_wtd_convolve_2d_copy_avg_neon( const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); CONV_BUF_TYPE *dst = conv_params->dst; const int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); uint16x4_t d0 = vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); uint16x4_t d1 = vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); uint16x4_t d2 = vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); uint16x4_t d3 = vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(dst, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, vreinterpretq_s16_u16(round_offset_vec), &d01, &d23); store_u8x4_strided_x2(dst8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(dst8 + 2 * dst8_stride, dst8_stride, d23); src += 4 * src_stride; dst += 4 * dst_stride; dst8 += 4 * dst8_stride; height -= 4; } while (height != 0); } else { do { const uint8_t *s = src; CONV_BUF_TYPE *d = dst; uint8_t *d_u8 = dst8; int width = w; do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, vreinterpretq_s16_u16(round_offset_vec), &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src += 4 * src_stride; dst += 4 * dst_stride; dst8 += 4 * dst8_stride; height -= 4; } while (height != 0); } } static inline void dist_wtd_convolve_2d_copy_neon(const uint8_t *src, int src_stride, int w, int h, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const uint16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const uint16x8_t round_offset_vec = vdupq_n_u16(round_offset); const uint8x8_t shift_by_bits = vdup_n_u8(1 << (FILTER_BITS - ROUND0_BITS)); CONV_BUF_TYPE *dst = conv_params->dst; const int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(src, src_stride, &s0, &s1, &s2, &s3); uint16x4_t d0 = vget_low_u16(vmlal_u8(round_offset_vec, s0, shift_by_bits)); uint16x4_t d1 = vget_low_u16(vmlal_u8(round_offset_vec, s1, shift_by_bits)); uint16x4_t d2 = vget_low_u16(vmlal_u8(round_offset_vec, s2, shift_by_bits)); uint16x4_t d3 = vget_low_u16(vmlal_u8(round_offset_vec, s3, shift_by_bits)); store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); src += 4 * src_stride; dst += 4 * dst_stride; height -= 4; } while (height != 0); } else { do { const uint8_t *s = src; CONV_BUF_TYPE *d = dst; int width = w; do { uint8x8_t s0, s1, s2, s3; load_u8_8x4(s, src_stride, &s0, &s1, &s2, &s3); uint16x8_t d0 = vmlal_u8(round_offset_vec, s0, shift_by_bits); uint16x8_t d1 = vmlal_u8(round_offset_vec, s1, shift_by_bits); uint16x8_t d2 = vmlal_u8(round_offset_vec, s2, shift_by_bits); uint16x8_t d3 = vmlal_u8(round_offset_vec, s3, shift_by_bits); store_u16_8x4(d, dst_stride, d0, d1, d2, d3); s += 8; d += 8; width -= 8; } while (width != 0); src += 4 * src_stride; dst += 4 * dst_stride; height -= 4; } while (height != 0); } } void av1_dist_wtd_convolve_2d_copy_neon(const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, ConvolveParams *conv_params) { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_2d_copy_dist_wtd_avg_neon( src, src_stride, dst8, dst8_stride, w, h, conv_params); } else { dist_wtd_convolve_2d_copy_avg_neon(src, src_stride, dst8, dst8_stride, w, h, conv_params); } } else { dist_wtd_convolve_2d_copy_neon(src, src_stride, w, h, conv_params); } } static inline uint16x4_t convolve4_4_x(const int16x4_t s0, const int16x4_t s1, const int16x4_t s2, const int16x4_t s3, const int16x4_t x_filter, const int16x4_t round_offset) { int16x4_t sum = vmul_lane_s16(s0, x_filter, 0); sum = vmla_lane_s16(sum, s1, x_filter, 1); sum = vmla_lane_s16(sum, s2, x_filter, 2); sum = vmla_lane_s16(sum, s3, x_filter, 3); // We halved the convolution filter values so -1 from the right shift. int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpret_u16_s16(res); } static inline uint16x8_t convolve8_8_x(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 x_filter, const int16x8_t round_offset) { const int16x4_t x_filter_0_3 = vget_low_s16(x_filter); const int16x4_t x_filter_4_7 = vget_high_s16(x_filter); int16x8_t sum = vmulq_lane_s16(s0, x_filter_0_3, 0); sum = vmlaq_lane_s16(sum, s1, x_filter_0_3, 1); sum = vmlaq_lane_s16(sum, s2, x_filter_0_3, 2); sum = vmlaq_lane_s16(sum, s3, x_filter_0_3, 3); sum = vmlaq_lane_s16(sum, s4, x_filter_4_7, 0); sum = vmlaq_lane_s16(sum, s5, x_filter_4_7, 1); sum = vmlaq_lane_s16(sum, s6, x_filter_4_7, 2); sum = vmlaq_lane_s16(sum, s7, x_filter_4_7, 3); // We halved the convolution filter values so -1 from the right shift. int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpretq_u16_s16(res); } static inline void dist_wtd_convolve_x_dist_wtd_avg_neon( const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); const uint16_t fwd_offset = conv_params->fwd_offset; const uint16_t bck_offset = conv_params->bck_offset; // Horizontal filter. const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_x, subpel_x_qn & SUBPEL_MASK); const int horiz_offset = filter_params_x->taps / 2 - 1; const uint8_t *src_ptr = src - horiz_offset; CONV_BUF_TYPE *dst_ptr = conv_params->dst; uint8_t *dst8_ptr = dst8; int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { // 4-tap filters are used for blocks having width <= 4. // Filter values are even, so halve to reduce intermediate precision reqs. const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); src_ptr += 2; do { uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); __builtin_prefetch(dst_ptr); __builtin_prefetch(dst8_ptr); int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0 = vld1_u16(dst_ptr); uint8x8_t d01; compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(dst8_ptr, d01); src_ptr += src_stride; dst_ptr += dst_stride; dst8_ptr += dst8_stride; } while (--height != 0); } else { // Filter values are even, so halve to reduce intermediate precision reqs. const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); #if AOM_ARCH_AARCH64 while (height >= 8) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int width = w; uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); __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 + 4 * dst_stride); __builtin_prefetch(d + 5 * dst_stride); __builtin_prefetch(d + 6 * dst_stride); __builtin_prefetch(d + 7 * dst_stride); s += 7; do { load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, x_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, x_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, x_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, x_filter, round_offset_vec); transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, bck_offset, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8 + 4 * dst8_stride, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src_ptr += 8 * src_stride; dst_ptr += 8 * dst_stride; dst8_ptr += 8 * dst8_stride; height -= 8; } #endif // AOM_ARCH_AARCH64 while (height > 0) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int width = w; uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); __builtin_prefetch(d); s += 8; do { t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); s0 = s8; s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src_ptr += src_stride; dst_ptr += dst_stride; dst8_ptr += dst8_stride; height--; } } } static inline void dist_wtd_convolve_x_avg_neon( const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); // Horizontal filter. const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_x, subpel_x_qn & SUBPEL_MASK); const int horiz_offset = filter_params_x->taps / 2 - 1; const uint8_t *src_ptr = src - horiz_offset; CONV_BUF_TYPE *dst_ptr = conv_params->dst; uint8_t *dst8_ptr = dst8; int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { // 4-tap filters are used for blocks having width <= 4. // Filter values are even, so halve to reduce intermediate precision reqs. const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); src_ptr += 2; do { uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); __builtin_prefetch(dst_ptr); __builtin_prefetch(dst8_ptr); int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0 = vld1_u16(dst_ptr); uint8x8_t d01; compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(dst8_ptr, d01); src_ptr += src_stride; dst_ptr += dst_stride; dst8_ptr += dst8_stride; } while (--height != 0); } else { // Filter values are even, so halve to reduce intermediate precision reqs. const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); #if AOM_ARCH_AARCH64 while (height >= 8) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int width = w; uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); __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 + 4 * dst_stride); __builtin_prefetch(d + 5 * dst_stride); __builtin_prefetch(d + 6 * dst_stride); __builtin_prefetch(d + 7 * dst_stride); s += 7; do { load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, x_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, x_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, x_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, x_filter, round_offset_vec); transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8 + 4 * dst8_stride, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src_ptr += 8 * src_stride; dst_ptr += 8 * dst_stride; dst8_ptr += 8 * dst8_stride; height -= 8; } #endif // AOM_ARCH_AARCH64 while (height > 0) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int width = w; uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); __builtin_prefetch(d); s += 8; do { t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); s0 = s8; s += 8; d += 8; d_u8 += 8; width -= 8; } while (width != 0); src_ptr += src_stride; dst_ptr += dst_stride; dst8_ptr += dst8_stride; height--; } } } static inline void dist_wtd_convolve_x_neon( const uint8_t *src, int src_stride, int w, int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); // Horizontal filter. const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_x, subpel_x_qn & SUBPEL_MASK); const int horiz_offset = filter_params_x->taps / 2 - 1; const uint8_t *src_ptr = src - horiz_offset; CONV_BUF_TYPE *dst_ptr = conv_params->dst; int dst_stride = conv_params->dst_stride; int height = h; if (w == 4) { // 4-tap filters are used for blocks having width <= 4. // Filter values are even, so halve to reduce intermediate precision reqs. const int16x4_t x_filter = vshr_n_s16(vld1_s16(x_filter_ptr + 2), 1); src_ptr += 2; do { uint8x8_t t0 = vld1_u8(src_ptr); // a0 a1 a2 a3 a4 a5 a6 a7 int16x4_t s0 = vget_low_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); int16x4_t s4 = vget_high_s16(vreinterpretq_s16_u16(vmovl_u8(t0))); __builtin_prefetch(dst_ptr); int16x4_t s1 = vext_s16(s0, s4, 1); // a1 a2 a3 a4 int16x4_t s2 = vext_s16(s0, s4, 2); // a2 a3 a4 a5 int16x4_t s3 = vext_s16(s0, s4, 3); // a3 a4 a5 a6 uint16x4_t d0 = convolve4_4_x(s0, s1, s2, s3, x_filter, vget_low_s16(round_offset_vec)); vst1_u16(dst_ptr, d0); src_ptr += src_stride; dst_ptr += dst_stride; } while (--height != 0); } else { // Filter values are even, so halve to reduce intermediate precision reqs. const int16x8_t x_filter = vshrq_n_s16(vld1q_s16(x_filter_ptr), 1); #if AOM_ARCH_AARCH64 while (height >= 8) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; int width = w; uint8x8_t t0, t1, t2, t3, t4, t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); __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 + 4 * dst_stride); __builtin_prefetch(d + 5 * dst_stride); __builtin_prefetch(d + 6 * dst_stride); __builtin_prefetch(d + 7 * dst_stride); s += 7; do { load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); transpose_elems_inplace_u8_8x8(&t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s14 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_x(s1, s2, s3, s4, s5, s6, s7, s8, x_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_x(s2, s3, s4, s5, s6, s7, s8, s9, x_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_x(s3, s4, s5, s6, s7, s8, s9, s10, x_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_x(s4, s5, s6, s7, s8, s9, s10, s11, x_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_x(s5, s6, s7, s8, s9, s10, s11, s12, x_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_x(s6, s7, s8, s9, s10, s11, s12, s13, x_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_x(s7, s8, s9, s10, s11, s12, s13, s14, x_filter, round_offset_vec); transpose_elems_inplace_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7); store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8; d += 8; width -= 8; } while (width != 0); src_ptr += 8 * src_stride; dst_ptr += 8 * dst_stride; height -= 8; } #endif // AOM_ARCH_AARCH64 while (height > 0) { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; int width = w; uint8x8_t t0 = vld1_u8(s); // a0 a1 a2 a3 a4 a5 a6 a7 int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); __builtin_prefetch(d); s = src_ptr + 8; do { t0 = vld1_u8(s); // a8 a9 a10 a11 a12 a13 a14 a15 int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vextq_s16(s0, s8, 1); // a1 a2 a3 a4 a5 a6 a7 a8 int16x8_t s2 = vextq_s16(s0, s8, 2); // a2 a3 a4 a5 a6 a7 a8 a9 int16x8_t s3 = vextq_s16(s0, s8, 3); // a3 a4 a5 a6 a7 a8 a9 a10 int16x8_t s4 = vextq_s16(s0, s8, 4); // a4 a5 a6 a7 a8 a9 a10 a11 int16x8_t s5 = vextq_s16(s0, s8, 5); // a5 a6 a7 a8 a9 a10 a11 a12 int16x8_t s6 = vextq_s16(s0, s8, 6); // a6 a7 a8 a9 a10 a11 a12 a13 int16x8_t s7 = vextq_s16(s0, s8, 7); // a7 a8 a9 a10 a11 a12 a13 a14 uint16x8_t d0 = convolve8_8_x(s0, s1, s2, s3, s4, s5, s6, s7, x_filter, round_offset_vec); vst1q_u16(d, d0); s0 = s8; s += 8; d += 8; width -= 8; } while (width != 0); src_ptr += src_stride; dst_ptr += dst_stride; height--; } } } void av1_dist_wtd_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 int subpel_x_qn, ConvolveParams *conv_params) { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_x_dist_wtd_avg_neon(src, src_stride, dst8, dst8_stride, w, h, filter_params_x, subpel_x_qn, conv_params); } else { dist_wtd_convolve_x_avg_neon(src, src_stride, dst8, dst8_stride, w, h, filter_params_x, subpel_x_qn, conv_params); } } else { dist_wtd_convolve_x_neon(src, src_stride, w, h, filter_params_x, subpel_x_qn, conv_params); } } static inline uint16x4_t convolve6_4_y(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 int16x8_t y_filter, const int16x4_t round_offset) { const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); // Filter values at indices 0 and 7 are 0. int16x4_t sum = vmul_lane_s16(s0, y_filter_0_3, 1); sum = vmla_lane_s16(sum, s1, y_filter_0_3, 2); sum = vmla_lane_s16(sum, s2, y_filter_0_3, 3); sum = vmla_lane_s16(sum, s3, y_filter_4_7, 0); sum = vmla_lane_s16(sum, s4, y_filter_4_7, 1); sum = vmla_lane_s16(sum, s5, y_filter_4_7, 2); // We halved the convolution filter values so -1 from the right shift. int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpret_u16_s16(res); } static inline uint16x8_t convolve6_8_y(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 y_filter, const int16x8_t round_offset) { const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); // Filter values at indices 0 and 7 are 0. int16x8_t sum = vmulq_lane_s16(s0, y_filter_0_3, 1); sum = vmlaq_lane_s16(sum, s1, y_filter_0_3, 2); sum = vmlaq_lane_s16(sum, s2, y_filter_0_3, 3); sum = vmlaq_lane_s16(sum, s3, y_filter_4_7, 0); sum = vmlaq_lane_s16(sum, s4, y_filter_4_7, 1); sum = vmlaq_lane_s16(sum, s5, y_filter_4_7, 2); // We halved the convolution filter values so -1 from the right shift. int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpretq_u16_s16(res); } static inline void dist_wtd_convolve_y_6tap_dist_wtd_avg_neon( const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, const int dst8_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); const uint16_t fwd_offset = conv_params->fwd_offset; const uint16_t bck_offset = conv_params->bck_offset; CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int height = h; uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); s += 5 * src_stride; do { #if AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_dist_wtd_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, round_offset_vec, &d01, &d23); store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s += 4 * src_stride; d += 4 * dst_stride; d_u8 += 4 * dst8_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0 = vld1_u16(d); uint8x8_t d01; compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(d_u8, d01); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s += src_stride; d += dst_stride; d_u8 += dst8_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; dst8_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr + (5 * src_stride); CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int height = h; uint8x8_t t0, t1, t2, t3, t4; load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); do { #if AOM_ARCH_AARCH64 uint8x8_t t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); uint16x8_t d1 = convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); uint16x8_t d2 = convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d3 = convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d4 = convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d5 = convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d6 = convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); d_u8 += 4 * dst8_stride; uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, bck_offset, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); d_u8 += 4 * dst8_stride; s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); d_u8 += dst8_stride; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; dst8_ptr += 8; width -= 8; } while (width != 0); } } static inline void dist_wtd_convolve_y_6tap_avg_neon( const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, const int dst8_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int height = h; uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); s += 5 * src_stride; do { #if AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, round_offset_vec, &d01, &d23); store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s += 4 * src_stride; d += 4 * dst_stride; d_u8 += 4 * dst8_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t dd0 = vld1_u16(d); uint8x8_t d01; compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(d_u8, d01); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s += src_stride; d += dst_stride; d_u8 += dst8_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; dst8_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr + (5 * src_stride); CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int height = h; uint8x8_t t0, t1, t2, t3, t4; load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); do { #if AOM_ARCH_AARCH64 uint8x8_t t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); uint16x8_t d1 = convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); uint16x8_t d2 = convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d3 = convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d4 = convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d5 = convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d6 = convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); d_u8 += 4 * dst8_stride; uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); d_u8 += 4 * dst8_stride; s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); d_u8 += dst8_stride; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; dst8_ptr += 8; width -= 8; } while (width != 0); } } static inline void dist_wtd_convolve_y_6tap_neon(const uint8_t *src_ptr, int src_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; int height = h; uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); s += 5 * src_stride; do { #if AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve6_4_y(s1, s2, s3, s4, s5, s6, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve6_4_y(s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve6_4_y(s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); store_u16_4x4(d, dst_stride, d0, d1, d2, d3); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s += 4 * src_stride; d += 4 * dst_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve6_4_y(s0, s1, s2, s3, s4, s5, y_filter, vget_low_s16(round_offset_vec)); vst1_u16(d, d0); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr + (5 * src_stride); CONV_BUF_TYPE *d = dst_ptr; int height = h; uint8x8_t t0, t1, t2, t3, t4; load_u8_8x5(src_ptr, src_stride, &t0, &t1, &t2, &t3, &t4); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); do { #if AOM_ARCH_AARCH64 uint8x8_t t5, t6, t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t7)); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); uint16x8_t d1 = convolve6_8_y(s1, s2, s3, s4, s5, s6, y_filter, round_offset_vec); uint16x8_t d2 = convolve6_8_y(s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d3 = convolve6_8_y(s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d4 = convolve6_8_y(s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d5 = convolve6_8_y(s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d6 = convolve6_8_y(s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d7 = convolve6_8_y(s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); uint16x8_t d0 = convolve6_8_y(s0, s1, s2, s3, s4, s5, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; vst1q_u16(d, d0); s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; width -= 8; } while (width != 0); } } static inline uint16x4_t convolve8_4_y(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 int16x4_t round_offset) { const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); int16x4_t sum = vmul_lane_s16(s0, y_filter_0_3, 0); sum = vmla_lane_s16(sum, s1, y_filter_0_3, 1); sum = vmla_lane_s16(sum, s2, y_filter_0_3, 2); sum = vmla_lane_s16(sum, s3, y_filter_0_3, 3); sum = vmla_lane_s16(sum, s4, y_filter_4_7, 0); sum = vmla_lane_s16(sum, s5, y_filter_4_7, 1); sum = vmla_lane_s16(sum, s6, y_filter_4_7, 2); sum = vmla_lane_s16(sum, s7, y_filter_4_7, 3); // We halved the convolution filter values so -1 from the right shift. int16x4_t res = vrsra_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpret_u16_s16(res); } static inline uint16x8_t convolve8_8_y(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 int16x8_t round_offset) { const int16x4_t y_filter_0_3 = vget_low_s16(y_filter); const int16x4_t y_filter_4_7 = vget_high_s16(y_filter); int16x8_t sum = vmulq_lane_s16(s0, y_filter_0_3, 0); sum = vmlaq_lane_s16(sum, s1, y_filter_0_3, 1); sum = vmlaq_lane_s16(sum, s2, y_filter_0_3, 2); sum = vmlaq_lane_s16(sum, s3, y_filter_0_3, 3); sum = vmlaq_lane_s16(sum, s4, y_filter_4_7, 0); sum = vmlaq_lane_s16(sum, s5, y_filter_4_7, 1); sum = vmlaq_lane_s16(sum, s6, y_filter_4_7, 2); sum = vmlaq_lane_s16(sum, s7, y_filter_4_7, 3); // We halved the convolution filter values so -1 from the right shift. int16x8_t res = vrsraq_n_s16(round_offset, sum, ROUND0_BITS - 1); return vreinterpretq_u16_s16(res); } static inline void dist_wtd_convolve_y_8tap_dist_wtd_avg_neon( const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, const int dst8_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); const uint16_t fwd_offset = conv_params->fwd_offset; const uint16_t bck_offset = conv_params->bck_offset; CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int 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); uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); __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 AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, vget_low_s16(round_offset_vec)); __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); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_dist_wtd_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, round_offset_vec, &d01, &d23); store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s5 = s9; s6 = s10; s += 4 * src_stride; d += 4 * dst_stride; d_u8 += 4 * dst8_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); __builtin_prefetch(d); uint16x4_t dd0 = vld1_u16(d); uint8x8_t d01; compute_dist_wtd_avg_4x1(dd0, d0, fwd_offset, bck_offset, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(d_u8, d01); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; s += src_stride; d += dst_stride; d_u8 += dst8_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; dst8_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int 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); __builtin_prefetch(s + 4 * src_stride); __builtin_prefetch(s + 5 * src_stride); __builtin_prefetch(s + 6 * src_stride); __builtin_prefetch(s + 7 * src_stride); uint8x8_t t0, t1, t2, t3, t4, t5, t6; load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); s += 7 * src_stride; do { #if AOM_ARCH_AARCH64 uint8x8_t t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t 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); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, y_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, y_filter, round_offset_vec); __builtin_prefetch(d + 0 * dst8_stride); __builtin_prefetch(d + 1 * dst8_stride); __builtin_prefetch(d + 2 * dst8_stride); __builtin_prefetch(d + 3 * dst8_stride); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_dist_wtd_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, fwd_offset, bck_offset, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); d_u8 += 4 * dst8_stride; uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_dist_wtd_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, fwd_offset, bck_offset, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); d_u8 += 4 * dst8_stride; s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); __builtin_prefetch(dst_ptr); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; __builtin_prefetch(d); uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_dist_wtd_avg_8x1(dd0, d0, fwd_offset, bck_offset, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); d_u8 += dst8_stride; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; dst8_ptr += 8; width -= 8; } while (width != 0); } } static inline void dist_wtd_convolve_y_8tap_avg_neon( const uint8_t *src_ptr, int src_stride, uint8_t *dst8_ptr, const int dst8_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int 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); uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); __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 AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, vget_low_s16(round_offset_vec)); __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); uint16x4_t dd0, dd1, dd2, dd3; load_u16_4x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d01, d23; compute_basic_avg_4x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, round_offset_vec, &d01, &d23); store_u8x4_strided_x2(d_u8 + 0 * dst8_stride, dst8_stride, d01); store_u8x4_strided_x2(d_u8 + 2 * dst8_stride, dst8_stride, d23); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s5 = s9; s6 = s10; s += 4 * src_stride; d += 4 * dst_stride; d_u8 += 4 * dst8_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); __builtin_prefetch(d); uint16x4_t dd0 = vld1_u16(d); uint8x8_t d01; compute_basic_avg_4x1(dd0, d0, vget_low_s16(round_offset_vec), &d01); store_u8_4x1(d_u8, d01); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; s += src_stride; d += dst_stride; d_u8 += dst8_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; dst8_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; uint8_t *d_u8 = dst8_ptr; int 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); __builtin_prefetch(s + 4 * src_stride); __builtin_prefetch(s + 5 * src_stride); __builtin_prefetch(s + 6 * src_stride); __builtin_prefetch(s + 7 * src_stride); uint8x8_t t0, t1, t2, t3, t4, t5, t6; load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); s += 7 * src_stride; do { #if AOM_ARCH_AARCH64 uint8x8_t t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t 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); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, y_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, y_filter, round_offset_vec); __builtin_prefetch(d + 0 * dst8_stride); __builtin_prefetch(d + 1 * dst8_stride); __builtin_prefetch(d + 2 * dst8_stride); __builtin_prefetch(d + 3 * dst8_stride); uint16x8_t dd0, dd1, dd2, dd3; load_u16_8x4(d, dst_stride, &dd0, &dd1, &dd2, &dd3); uint8x8_t d0_u8, d1_u8, d2_u8, d3_u8; compute_basic_avg_8x4(dd0, dd1, dd2, dd3, d0, d1, d2, d3, round_offset_vec, &d0_u8, &d1_u8, &d2_u8, &d3_u8); store_u8_8x4(d_u8, dst8_stride, d0_u8, d1_u8, d2_u8, d3_u8); d_u8 += 4 * dst8_stride; uint16x8_t dd4, dd5, dd6, dd7; load_u16_8x4(d + 4 * dst_stride, dst_stride, &dd4, &dd5, &dd6, &dd7); uint8x8_t d4_u8, d5_u8, d6_u8, d7_u8; compute_basic_avg_8x4(dd4, dd5, dd6, dd7, d4, d5, d6, d7, round_offset_vec, &d4_u8, &d5_u8, &d6_u8, &d7_u8); store_u8_8x4(d_u8, dst8_stride, d4_u8, d5_u8, d6_u8, d7_u8); d_u8 += 4 * dst8_stride; s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); __builtin_prefetch(dst_ptr); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; __builtin_prefetch(d); uint16x8_t dd0 = vld1q_u16(d); uint8x8_t d0_u8; compute_basic_avg_8x1(dd0, d0, round_offset_vec, &d0_u8); vst1_u8(d_u8, d0_u8); d_u8 += dst8_stride; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; dst8_ptr += 8; width -= 8; } while (width != 0); } } static inline void dist_wtd_convolve_y_8tap_neon(const uint8_t *src_ptr, int src_stride, int w, int h, const int16x8_t y_filter, ConvolveParams *conv_params) { const int bd = 8; const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; const int16_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); const int16x8_t round_offset_vec = vdupq_n_s16(round_offset); CONV_BUF_TYPE *dst_ptr = conv_params->dst; const int dst_stride = conv_params->dst_stride; int width = w; if (w == 4 || h == 4) { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; int 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); uint8x8_t t0 = load_unaligned_u8_4x1(s + 0 * src_stride); uint8x8_t t1 = load_unaligned_u8_4x1(s + 1 * src_stride); uint8x8_t t2 = load_unaligned_u8_4x1(s + 2 * src_stride); uint8x8_t t3 = load_unaligned_u8_4x1(s + 3 * src_stride); uint8x8_t t4 = load_unaligned_u8_4x1(s + 4 * src_stride); uint8x8_t t5 = load_unaligned_u8_4x1(s + 5 * src_stride); uint8x8_t t6 = load_unaligned_u8_4x1(s + 6 * src_stride); int16x4_t s0 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s1 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s2 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s3 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); int16x4_t s4 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t4))); int16x4_t s5 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t5))); int16x4_t s6 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t6))); __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 AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s + 0 * src_stride); t1 = load_unaligned_u8_4x1(s + 1 * src_stride); t2 = load_unaligned_u8_4x1(s + 2 * src_stride); t3 = load_unaligned_u8_4x1(s + 3 * src_stride); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); int16x4_t s8 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t1))); int16x4_t s9 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t2))); int16x4_t s10 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t3))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d1 = convolve8_4_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d2 = convolve8_4_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, vget_low_s16(round_offset_vec)); uint16x4_t d3 = convolve8_4_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, vget_low_s16(round_offset_vec)); store_u16_4x4(d, dst_stride, d0, d1, d2, d3); s0 = s4; s1 = s5; s2 = s6; s3 = s7; s4 = s8; s5 = s9; s6 = s10; s += 4 * src_stride; d += 4 * dst_stride; height -= 4; #else // !AOM_ARCH_AARCH64 t0 = load_unaligned_u8_4x1(s); int16x4_t s7 = vreinterpret_s16_u16(vget_low_u16(vmovl_u8(t0))); uint16x4_t d0 = convolve8_4_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, vget_low_s16(round_offset_vec)); vst1_u16(d, d0); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 4; dst_ptr += 4; width -= 4; } while (width != 0); } else { do { const uint8_t *s = src_ptr; CONV_BUF_TYPE *d = dst_ptr; int 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); __builtin_prefetch(s + 4 * src_stride); __builtin_prefetch(s + 5 * src_stride); __builtin_prefetch(s + 6 * src_stride); __builtin_prefetch(s + 7 * src_stride); uint8x8_t t0, t1, t2, t3, t4, t5, t6; load_u8_8x7(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6); int16x8_t s0 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s1 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s2 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s3 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s4 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s5 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s6 = vreinterpretq_s16_u16(vmovl_u8(t6)); s += 7 * src_stride; do { #if AOM_ARCH_AARCH64 uint8x8_t t7; load_u8_8x8(s, src_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, &t7); int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(t0)); int16x8_t s8 = vreinterpretq_s16_u16(vmovl_u8(t1)); int16x8_t s9 = vreinterpretq_s16_u16(vmovl_u8(t2)); int16x8_t s10 = vreinterpretq_s16_u16(vmovl_u8(t3)); int16x8_t s11 = vreinterpretq_s16_u16(vmovl_u8(t4)); int16x8_t s12 = vreinterpretq_s16_u16(vmovl_u8(t5)); int16x8_t s13 = vreinterpretq_s16_u16(vmovl_u8(t6)); int16x8_t 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); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); uint16x8_t d1 = convolve8_8_y(s1, s2, s3, s4, s5, s6, s7, s8, y_filter, round_offset_vec); uint16x8_t d2 = convolve8_8_y(s2, s3, s4, s5, s6, s7, s8, s9, y_filter, round_offset_vec); uint16x8_t d3 = convolve8_8_y(s3, s4, s5, s6, s7, s8, s9, s10, y_filter, round_offset_vec); uint16x8_t d4 = convolve8_8_y(s4, s5, s6, s7, s8, s9, s10, s11, y_filter, round_offset_vec); uint16x8_t d5 = convolve8_8_y(s5, s6, s7, s8, s9, s10, s11, s12, y_filter, round_offset_vec); uint16x8_t d6 = convolve8_8_y(s6, s7, s8, s9, s10, s11, s12, s13, y_filter, round_offset_vec); uint16x8_t d7 = convolve8_8_y(s7, s8, s9, s10, s11, s12, s13, s14, y_filter, round_offset_vec); store_u16_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7); s0 = s8; s1 = s9; s2 = s10; s3 = s11; s4 = s12; s5 = s13; s6 = s14; s += 8 * src_stride; d += 8 * dst_stride; height -= 8; #else // !AOM_ARCH_AARCH64 int16x8_t s7 = vreinterpretq_s16_u16(vmovl_u8(vld1_u8(s))); __builtin_prefetch(dst_ptr); uint16x8_t d0 = convolve8_8_y(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, round_offset_vec); s0 = s1; s1 = s2; s2 = s3; s3 = s4; s4 = s5; s5 = s6; s6 = s7; vst1q_u16(d, d0); s += src_stride; d += dst_stride; height--; #endif // AOM_ARCH_AARCH64 } while (height != 0); src_ptr += 8; dst_ptr += 8; width -= 8; } while (width != 0); } } void av1_dist_wtd_convolve_y_neon(const uint8_t *src, int src_stride, uint8_t *dst8, int dst8_stride, int w, int h, const InterpFilterParams *filter_params_y, const int subpel_y_qn, ConvolveParams *conv_params) { assert(w % 4 == 0); assert(h % 4 == 0); // Vertical filter. const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( filter_params_y, subpel_y_qn & SUBPEL_MASK); // Filter values are even, so downshift by 1 to reduce intermediate // precision requirements. const int16x8_t y_filter = vshrq_n_s16(vld1q_s16(y_filter_ptr), 1); const int vert_offset = filter_params_y->taps / 2 - 1; const uint8_t *src_ptr = src - (vert_offset * src_stride); if (get_filter_tap(filter_params_y, subpel_y_qn) <= 6) { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_y_6tap_dist_wtd_avg_neon( src_ptr + src_stride, src_stride, dst8, dst8_stride, w, h, y_filter, conv_params); } else { dist_wtd_convolve_y_6tap_avg_neon(src_ptr + src_stride, src_stride, dst8, dst8_stride, w, h, y_filter, conv_params); } } else { dist_wtd_convolve_y_6tap_neon(src_ptr + src_stride, src_stride, w, h, y_filter, conv_params); } } else { if (conv_params->do_average) { if (UNLIKELY(conv_params->use_dist_wtd_comp_avg)) { dist_wtd_convolve_y_8tap_dist_wtd_avg_neon(src_ptr, src_stride, dst8, dst8_stride, w, h, y_filter, conv_params); } else { dist_wtd_convolve_y_8tap_avg_neon(src_ptr, src_stride, dst8, dst8_stride, w, h, y_filter, conv_params); } } else { dist_wtd_convolve_y_8tap_neon(src_ptr, src_stride, w, h, y_filter, conv_params); } } }