| /* |
| * Copyright (c) 2018, Alliance for Open Media. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef AOM_AV1_COMMON_ARM_CONVOLVE_NEON_H_ |
| #define AOM_AV1_COMMON_ARM_CONVOLVE_NEON_H_ |
| |
| #include <arm_neon.h> |
| |
| #include "config/aom_config.h" |
| |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "av1/common/convolve.h" |
| #include "av1/common/filter.h" |
| |
| static INLINE int32x4_t |
| convolve12_4_2d_v(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 int16x4_t s8, |
| const int16x4_t s9, const int16x4_t s10, const int16x4_t s11, |
| const int16x8_t y_filter_0_7, const int16x4_t y_filter_8_11) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter_0_7); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter_0_7); |
| |
| int32x4_t sum = vmull_lane_s16(s0, y_filter_0_3, 0); |
| sum = vmlal_lane_s16(sum, s1, y_filter_0_3, 1); |
| sum = vmlal_lane_s16(sum, s2, y_filter_0_3, 2); |
| sum = vmlal_lane_s16(sum, s3, y_filter_0_3, 3); |
| sum = vmlal_lane_s16(sum, s4, y_filter_4_7, 0); |
| sum = vmlal_lane_s16(sum, s5, y_filter_4_7, 1); |
| sum = vmlal_lane_s16(sum, s6, y_filter_4_7, 2); |
| sum = vmlal_lane_s16(sum, s7, y_filter_4_7, 3); |
| sum = vmlal_lane_s16(sum, s8, y_filter_8_11, 0); |
| sum = vmlal_lane_s16(sum, s9, y_filter_8_11, 1); |
| sum = vmlal_lane_s16(sum, s10, y_filter_8_11, 2); |
| sum = vmlal_lane_s16(sum, s11, y_filter_8_11, 3); |
| |
| return sum; |
| } |
| |
| static INLINE uint8x8_t |
| convolve12_8_2d_v(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 s8, |
| const int16x8_t s9, const int16x8_t s10, const int16x8_t s11, |
| const int16x8_t y_filter_0_7, const int16x4_t y_filter_8_11, |
| const int16x8_t sub_const) { |
| const int16x4_t y_filter_0_3 = vget_low_s16(y_filter_0_7); |
| const int16x4_t y_filter_4_7 = vget_high_s16(y_filter_0_7); |
| |
| int32x4_t sum0 = vmull_lane_s16(vget_low_s16(s0), y_filter_0_3, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_0_3, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_0_3, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_0_3, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_4_7, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_4_7, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), y_filter_4_7, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), y_filter_4_7, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s8), y_filter_8_11, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s9), y_filter_8_11, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s10), y_filter_8_11, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s11), y_filter_8_11, 3); |
| |
| int32x4_t sum1 = vmull_lane_s16(vget_high_s16(s0), y_filter_0_3, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_0_3, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_0_3, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_0_3, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_4_7, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_4_7, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s6), y_filter_4_7, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s7), y_filter_4_7, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s8), y_filter_8_11, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s9), y_filter_8_11, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s10), y_filter_8_11, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s11), y_filter_8_11, 3); |
| |
| int16x8_t res = |
| vcombine_s16(vqrshrn_n_s32(sum0, 2 * FILTER_BITS - ROUND0_BITS), |
| vqrshrn_n_s32(sum1, 2 * FILTER_BITS - ROUND0_BITS)); |
| res = vsubq_s16(res, sub_const); |
| |
| return vqmovun_s16(res); |
| } |
| |
| static INLINE void convolve_2d_sr_vert_12tap_neon( |
| int16_t *src_ptr, int src_stride, uint8_t *dst_ptr, int dst_stride, int w, |
| int h, const int16x8_t y_filter_0_7, const int16x4_t y_filter_8_11) { |
| const int bd = 8; |
| const int16x8_t sub_const = vdupq_n_s16(1 << (bd - 1)); |
| |
| if (w <= 4) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; |
| load_s16_4x11(src_ptr, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, |
| &s8, &s9, &s10); |
| src_ptr += 11 * src_stride; |
| |
| do { |
| int16x4_t s11, s12, s13, s14; |
| load_s16_4x4(src_ptr, src_stride, &s11, &s12, &s13, &s14); |
| |
| int32x4_t d0 = convolve12_4_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, |
| s10, s11, y_filter_0_7, y_filter_8_11); |
| int32x4_t d1 = convolve12_4_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, |
| s11, s12, y_filter_0_7, y_filter_8_11); |
| int32x4_t d2 = convolve12_4_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, |
| s12, s13, y_filter_0_7, y_filter_8_11); |
| int32x4_t d3 = |
| convolve12_4_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, |
| y_filter_0_7, y_filter_8_11); |
| |
| int16x8_t dd01 = |
| vcombine_s16(vqrshrn_n_s32(d0, 2 * FILTER_BITS - ROUND0_BITS), |
| vqrshrn_n_s32(d1, 2 * FILTER_BITS - ROUND0_BITS)); |
| int16x8_t dd23 = |
| vcombine_s16(vqrshrn_n_s32(d2, 2 * FILTER_BITS - ROUND0_BITS), |
| vqrshrn_n_s32(d3, 2 * FILTER_BITS - ROUND0_BITS)); |
| |
| dd01 = vsubq_s16(dd01, sub_const); |
| dd23 = vsubq_s16(dd23, sub_const); |
| |
| uint8x8_t d01 = vqmovun_s16(dd01); |
| uint8x8_t d23 = vqmovun_s16(dd23); |
| |
| store_u8_4x1(dst_ptr + 0 * dst_stride, d01, 0); |
| store_u8_4x1(dst_ptr + 1 * dst_stride, d01, 1); |
| store_u8_4x1(dst_ptr + 2 * dst_stride, d23, 0); |
| store_u8_4x1(dst_ptr + 3 * dst_stride, d23, 1); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| s7 = s11; |
| s8 = s12; |
| s9 = s13; |
| s10 = s14; |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| h -= 4; |
| } while (h != 0); |
| |
| } else { |
| do { |
| int height = h; |
| int16_t *s = src_ptr; |
| uint8_t *d = dst_ptr; |
| |
| int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10; |
| load_s16_8x11(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, |
| &s9, &s10); |
| s += 11 * src_stride; |
| |
| do { |
| int16x8_t s11, s12, s13, s14; |
| load_s16_8x4(s, src_stride, &s11, &s12, &s13, &s14); |
| |
| uint8x8_t d0 = |
| convolve12_8_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, |
| y_filter_0_7, y_filter_8_11, sub_const); |
| uint8x8_t d1 = |
| convolve12_8_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, |
| y_filter_0_7, y_filter_8_11, sub_const); |
| uint8x8_t d2 = |
| convolve12_8_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, |
| s13, y_filter_0_7, y_filter_8_11, sub_const); |
| uint8x8_t d3 = |
| convolve12_8_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, |
| s14, y_filter_0_7, y_filter_8_11, sub_const); |
| |
| store_u8_8x4(d, dst_stride, d0, d1, d2, d3); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| s7 = s11; |
| s8 = s12; |
| s9 = s13; |
| s10 = s14; |
| s += 4 * src_stride; |
| d += 4 * dst_stride; |
| height -= 4; |
| } while (height != 0); |
| src_ptr += 8; |
| dst_ptr += 8; |
| w -= 8; |
| } while (w != 0); |
| } |
| } |
| |
| static INLINE int16x4_t convolve8_4_2d_v(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 y_filter_lo = vget_low_s16(y_filter); |
| const int16x4_t y_filter_hi = vget_high_s16(y_filter); |
| |
| int32x4_t sum = vmull_lane_s16(s0, y_filter_lo, 0); |
| sum = vmlal_lane_s16(sum, s1, y_filter_lo, 1); |
| sum = vmlal_lane_s16(sum, s2, y_filter_lo, 2); |
| sum = vmlal_lane_s16(sum, s3, y_filter_lo, 3); |
| sum = vmlal_lane_s16(sum, s4, y_filter_hi, 0); |
| sum = vmlal_lane_s16(sum, s5, y_filter_hi, 1); |
| sum = vmlal_lane_s16(sum, s6, y_filter_hi, 2); |
| sum = vmlal_lane_s16(sum, s7, y_filter_hi, 3); |
| |
| return vqrshrn_n_s32(sum, 2 * FILTER_BITS - ROUND0_BITS); |
| } |
| |
| static INLINE uint8x8_t convolve8_8_2d_v(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 sub_const) { |
| const int16x4_t y_filter_lo = vget_low_s16(y_filter); |
| const int16x4_t y_filter_hi = vget_high_s16(y_filter); |
| |
| int32x4_t sum0 = vmull_lane_s16(vget_low_s16(s0), y_filter_lo, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_lo, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_lo, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_lo, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_hi, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_hi, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), y_filter_hi, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), y_filter_hi, 3); |
| |
| int32x4_t sum1 = vmull_lane_s16(vget_high_s16(s0), y_filter_lo, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_lo, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_lo, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_lo, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_hi, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_hi, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s6), y_filter_hi, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s7), y_filter_hi, 3); |
| |
| int16x8_t res = |
| vcombine_s16(vqrshrn_n_s32(sum0, 2 * FILTER_BITS - ROUND0_BITS), |
| vqrshrn_n_s32(sum1, 2 * FILTER_BITS - ROUND0_BITS)); |
| res = vsubq_s16(res, sub_const); |
| |
| return vqmovun_s16(res); |
| } |
| |
| static INLINE void convolve_2d_sr_vert_8tap_neon(int16_t *src_ptr, |
| int src_stride, |
| uint8_t *dst_ptr, |
| int dst_stride, int w, int h, |
| const int16x8_t y_filter) { |
| const int bd = 8; |
| const int16x8_t sub_const = vdupq_n_s16(1 << (bd - 1)); |
| |
| if (w <= 4) { |
| int16x4_t s0, s1, s2, s3, s4, s5, s6; |
| load_s16_4x7(src_ptr, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); |
| src_ptr += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| int16x4_t s7, s8, s9, s10; |
| load_s16_4x4(src_ptr, src_stride, &s7, &s8, &s9, &s10); |
| |
| int16x4_t d0 = convolve8_4_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter); |
| int16x4_t d1 = convolve8_4_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, y_filter); |
| int16x4_t d2 = convolve8_4_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, y_filter); |
| int16x4_t d3 = |
| convolve8_4_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, y_filter); |
| |
| uint8x8_t d01 = vqmovun_s16(vsubq_s16(vcombine_s16(d0, d1), sub_const)); |
| uint8x8_t d23 = vqmovun_s16(vsubq_s16(vcombine_s16(d2, d3), sub_const)); |
| |
| store_u8_4x1(dst_ptr + 0 * dst_stride, d01, 0); |
| store_u8_4x1(dst_ptr + 1 * dst_stride, d01, 1); |
| store_u8_4x1(dst_ptr + 2 * dst_stride, d23, 0); |
| store_u8_4x1(dst_ptr + 3 * dst_stride, d23, 1); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| s5 = s9; |
| s6 = s10; |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| h -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| int16x4_t s7 = vld1_s16(src_ptr); |
| int16x4_t d0 = convolve8_4_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, y_filter); |
| uint8x8_t d01 = |
| vqmovun_s16(vsubq_s16(vcombine_s16(d0, vdup_n_s16(0)), sub_const)); |
| |
| store_u8_4x1(dst_ptr, d01, 0); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| s5 = s6; |
| s6 = s7; |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| h--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (h != 0); |
| } else { |
| // Width is a multiple of 8 and height is a multiple of 4. |
| do { |
| int height = h; |
| int16_t *s = src_ptr; |
| uint8_t *d = dst_ptr; |
| |
| int16x8_t s0, s1, s2, s3, s4, s5, s6; |
| load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); |
| s += 7 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| int16x8_t s7, s8, s9, s10; |
| load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10); |
| |
| uint8x8_t d0 = convolve8_8_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, |
| y_filter, sub_const); |
| uint8x8_t d1 = convolve8_8_2d_v(s1, s2, s3, s4, s5, s6, s7, s8, |
| y_filter, sub_const); |
| uint8x8_t d2 = convolve8_8_2d_v(s2, s3, s4, s5, s6, s7, s8, s9, |
| y_filter, sub_const); |
| uint8x8_t d3 = convolve8_8_2d_v(s3, s4, s5, s6, s7, s8, s9, s10, |
| y_filter, sub_const); |
| |
| store_u8_8x4(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 |
| int16x8_t s7 = vld1q_s16(s); |
| uint8x8_t d0 = convolve8_8_2d_v(s0, s1, s2, s3, s4, s5, s6, s7, |
| y_filter, sub_const); |
| vst1_u8(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 += 8; |
| dst_ptr += 8; |
| w -= 8; |
| } while (w != 0); |
| } |
| } |
| |
| static INLINE int16x4_t convolve6_4_2d_v(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 y_filter_lo = vget_low_s16(y_filter); |
| const int16x4_t y_filter_hi = vget_high_s16(y_filter); |
| |
| int32x4_t sum = vmull_lane_s16(s0, y_filter_lo, 1); |
| sum = vmlal_lane_s16(sum, s1, y_filter_lo, 2); |
| sum = vmlal_lane_s16(sum, s2, y_filter_lo, 3); |
| sum = vmlal_lane_s16(sum, s3, y_filter_hi, 0); |
| sum = vmlal_lane_s16(sum, s4, y_filter_hi, 1); |
| sum = vmlal_lane_s16(sum, s5, y_filter_hi, 2); |
| |
| return vqrshrn_n_s32(sum, 2 * FILTER_BITS - ROUND0_BITS); |
| } |
| |
| static INLINE uint8x8_t convolve6_8_2d_v(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 sub_const) { |
| const int16x4_t y_filter_lo = vget_low_s16(y_filter); |
| const int16x4_t y_filter_hi = vget_high_s16(y_filter); |
| |
| int32x4_t sum0 = vmull_lane_s16(vget_low_s16(s0), y_filter_lo, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_lo, 2); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_lo, 3); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_hi, 0); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_hi, 1); |
| sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_hi, 2); |
| |
| int32x4_t sum1 = vmull_lane_s16(vget_high_s16(s0), y_filter_lo, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_lo, 2); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_lo, 3); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_hi, 0); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_hi, 1); |
| sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_hi, 2); |
| |
| int16x8_t res = |
| vcombine_s16(vqrshrn_n_s32(sum0, 2 * FILTER_BITS - ROUND0_BITS), |
| vqrshrn_n_s32(sum1, 2 * FILTER_BITS - ROUND0_BITS)); |
| res = vsubq_s16(res, sub_const); |
| |
| return vqmovun_s16(res); |
| } |
| |
| static INLINE void convolve_2d_sr_vert_6tap_neon(int16_t *src_ptr, |
| int src_stride, |
| uint8_t *dst_ptr, |
| int dst_stride, int w, int h, |
| const int16x8_t y_filter) { |
| const int bd = 8; |
| const int16x8_t sub_const = vdupq_n_s16(1 << (bd - 1)); |
| |
| if (w <= 4) { |
| int16x4_t s0, s1, s2, s3, s4; |
| load_s16_4x5(src_ptr, src_stride, &s0, &s1, &s2, &s3, &s4); |
| src_ptr += 5 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| int16x4_t s5, s6, s7, s8; |
| load_s16_4x4(src_ptr, src_stride, &s5, &s6, &s7, &s8); |
| |
| int16x4_t d0 = convolve6_4_2d_v(s0, s1, s2, s3, s4, s5, y_filter); |
| int16x4_t d1 = convolve6_4_2d_v(s1, s2, s3, s4, s5, s6, y_filter); |
| int16x4_t d2 = convolve6_4_2d_v(s2, s3, s4, s5, s6, s7, y_filter); |
| int16x4_t d3 = convolve6_4_2d_v(s3, s4, s5, s6, s7, s8, y_filter); |
| |
| uint8x8_t d01 = vqmovun_s16(vsubq_s16(vcombine_s16(d0, d1), sub_const)); |
| uint8x8_t d23 = vqmovun_s16(vsubq_s16(vcombine_s16(d2, d3), sub_const)); |
| |
| store_u8_4x1(dst_ptr + 0 * dst_stride, d01, 0); |
| store_u8_4x1(dst_ptr + 1 * dst_stride, d01, 1); |
| store_u8_4x1(dst_ptr + 2 * dst_stride, d23, 0); |
| store_u8_4x1(dst_ptr + 3 * dst_stride, d23, 1); |
| |
| s0 = s4; |
| s1 = s5; |
| s2 = s6; |
| s3 = s7; |
| s4 = s8; |
| src_ptr += 4 * src_stride; |
| dst_ptr += 4 * dst_stride; |
| h -= 4; |
| #else // !AOM_ARCH_AARCH64 |
| int16x4_t s5 = vld1_s16(src_ptr); |
| int16x4_t d0 = convolve6_4_2d_v(s0, s1, s2, s3, s4, s5, y_filter); |
| uint8x8_t d01 = |
| vqmovun_s16(vsubq_s16(vcombine_s16(d0, vdup_n_s16(0)), sub_const)); |
| |
| store_u8_4x1(dst_ptr, d01, 0); |
| |
| s0 = s1; |
| s1 = s2; |
| s2 = s3; |
| s3 = s4; |
| s4 = s5; |
| src_ptr += src_stride; |
| dst_ptr += dst_stride; |
| h--; |
| #endif // AOM_ARCH_AARCH64 |
| } while (h != 0); |
| } else { |
| // Width is a multiple of 8 and height is a multiple of 4. |
| do { |
| int height = h; |
| int16_t *s = src_ptr; |
| uint8_t *d = dst_ptr; |
| |
| int16x8_t s0, s1, s2, s3, s4; |
| load_s16_8x5(s, src_stride, &s0, &s1, &s2, &s3, &s4); |
| s += 5 * src_stride; |
| |
| do { |
| #if AOM_ARCH_AARCH64 |
| int16x8_t s5, s6, s7, s8; |
| load_s16_8x4(s, src_stride, &s5, &s6, &s7, &s8); |
| |
| uint8x8_t d0 = |
| convolve6_8_2d_v(s0, s1, s2, s3, s4, s5, y_filter, sub_const); |
| uint8x8_t d1 = |
| convolve6_8_2d_v(s1, s2, s3, s4, s5, s6, y_filter, sub_const); |
| uint8x8_t d2 = |
| convolve6_8_2d_v(s2, s3, s4, s5, s6, s7, y_filter, sub_const); |
| uint8x8_t d3 = |
| convolve6_8_2d_v(s3, s4, s5, s6, s7, s8, y_filter, sub_const); |
| |
| store_u8_8x4(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 |
| int16x8_t s5 = vld1q_s16(s); |
| uint8x8_t d0 = |
| convolve6_8_2d_v(s0, s1, s2, s3, s4, s5, y_filter, sub_const); |
| vst1_u8(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 += 8; |
| dst_ptr += 8; |
| w -= 8; |
| } while (w != 0); |
| } |
| } |
| |
| #endif // AOM_AV1_COMMON_ARM_CONVOLVE_NEON_H_ |
