| /* |
| * 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_dist_wtd_comp_avg, uint8x8_t *t0) { |
| int16x4_t tmp0; |
| uint16x4_t tmp_u0; |
| uint32x4_t sum0; |
| int32x4_t dst0; |
| int16x8_t tmp4; |
| |
| if (use_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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 dist_wtd_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 dist_wtd_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_dist_wtd_comp_avg = conv_params->use_dist_wtd_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_dist_wtd_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_dist_wtd_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_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)); |
| 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_qn & SUBPEL_MASK); |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params_y, subpel_y_qn & 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); |
| |
| dist_wtd_convolve_2d_horiz_neon(src_ptr, src_stride, im_block, im_stride, |
| x_filter_tmp, im_h, w, round_0); |
| |
| dist_wtd_convolve_2d_vert_neon(im_block, im_stride, dst8, dst8_stride, |
| conv_params, y_filter, h, w); |
| } |
| |
| 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, const InterpFilterParams *filter_params_x, |
| const InterpFilterParams *filter_params_y, const int subpel_x_qn, |
| const int subpel_y_qn, 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_qn; |
| (void)subpel_y_qn; |
| |
| 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_dist_wtd_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_dist_wtd_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_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 InterpFilterParams *filter_params_y, |
| const int subpel_x_qn, const int subpel_y_qn, |
| 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_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| |
| (void)filter_params_y; |
| (void)subpel_y_qn; |
| |
| // horizontal filter |
| const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params_x, subpel_x_qn & 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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_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_x, |
| const InterpFilterParams *filter_params_y, |
| const int subpel_x_qn, const int subpel_y_qn, |
| 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_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
| const int shift_value = (conv_params->round_1 - 1 - bits); |
| |
| (void)filter_params_x; |
| (void)subpel_x_qn; |
| |
| // vertical filter |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params_y, subpel_y_qn & 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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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_dist_wtd_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); |
| } |
| } |