diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/loopfilter_neon.c')
| -rw-r--r-- | third_party/aom/aom_dsp/arm/loopfilter_neon.c | 928 |
1 files changed, 928 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/loopfilter_neon.c b/third_party/aom/aom_dsp/arm/loopfilter_neon.c new file mode 100644 index 0000000000..bdc67626d6 --- /dev/null +++ b/third_party/aom/aom_dsp/arm/loopfilter_neon.c @@ -0,0 +1,928 @@ +/* + * 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 "config/aom_dsp_rtcd.h" +#include "config/aom_config.h" + +#include "aom/aom_integer.h" +#include "av1/common/arm/mem_neon.h" +#include "av1/common/arm/transpose_neon.h" + +static INLINE uint8x8_t lpf_mask(uint8x8_t p3q3, uint8x8_t p2q2, uint8x8_t p1q1, + uint8x8_t p0q0, const uint8_t blimit, + const uint8_t limit) { + // Calculate mask values for four samples + uint32x2x2_t p0q0_p1q1; + uint16x8_t temp_16x8; + uint16x4_t temp0_16x4, temp1_16x4; + uint8x8_t mask_8x8, temp_8x8; + const uint8x8_t limit_8x8 = vdup_n_u8(limit); + const uint16x4_t blimit_16x4 = vdup_n_u16((uint16_t)blimit); + + mask_8x8 = vabd_u8(p3q3, p2q2); + mask_8x8 = vmax_u8(mask_8x8, vabd_u8(p2q2, p1q1)); + mask_8x8 = vmax_u8(mask_8x8, vabd_u8(p1q1, p0q0)); + mask_8x8 = vcle_u8(mask_8x8, limit_8x8); + + temp_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(mask_8x8))); + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + p0q0_p1q1 = vtrn_u32(vreinterpret_u32_u8(p0q0), vreinterpret_u32_u8(p1q1)); + temp_8x8 = vabd_u8(vreinterpret_u8_u32(p0q0_p1q1.val[0]), + vreinterpret_u8_u32(p0q0_p1q1.val[1])); + temp_16x8 = vmovl_u8(temp_8x8); + temp0_16x4 = vshl_n_u16(vget_low_u16(temp_16x8), 1); + temp1_16x4 = vshr_n_u16(vget_high_u16(temp_16x8), 1); + temp0_16x4 = vadd_u16(temp0_16x4, temp1_16x4); + temp0_16x4 = vcle_u16(temp0_16x4, blimit_16x4); + temp_8x8 = vmovn_u16(vcombine_u16(temp0_16x4, temp0_16x4)); + + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + return mask_8x8; +} + +static INLINE uint8x8_t lpf_mask2(uint8x8_t p1q1, uint8x8_t p0q0, + const uint8_t blimit, const uint8_t limit) { + uint32x2x2_t p0q0_p1q1; + uint16x8_t temp_16x8; + uint16x4_t temp0_16x4, temp1_16x4; + const uint16x4_t blimit_16x4 = vdup_n_u16(blimit); + const uint8x8_t limit_8x8 = vdup_n_u8(limit); + uint8x8_t mask_8x8, temp_8x8; + + mask_8x8 = vabd_u8(p1q1, p0q0); + mask_8x8 = vcle_u8(mask_8x8, limit_8x8); + + temp_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(mask_8x8))); + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + p0q0_p1q1 = vtrn_u32(vreinterpret_u32_u8(p0q0), vreinterpret_u32_u8(p1q1)); + temp_8x8 = vabd_u8(vreinterpret_u8_u32(p0q0_p1q1.val[0]), + vreinterpret_u8_u32(p0q0_p1q1.val[1])); + temp_16x8 = vmovl_u8(temp_8x8); + temp0_16x4 = vshl_n_u16(vget_low_u16(temp_16x8), 1); + temp1_16x4 = vshr_n_u16(vget_high_u16(temp_16x8), 1); + temp0_16x4 = vadd_u16(temp0_16x4, temp1_16x4); + temp0_16x4 = vcle_u16(temp0_16x4, blimit_16x4); + temp_8x8 = vmovn_u16(vcombine_u16(temp0_16x4, temp0_16x4)); + + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + return mask_8x8; +} + +static INLINE uint8x8_t lpf_flat_mask4(uint8x8_t p3q3, uint8x8_t p2q2, + uint8x8_t p1q1, uint8x8_t p0q0) { + const uint8x8_t thresh_8x8 = vdup_n_u8(1); // for bd==8 threshold is always 1 + uint8x8_t flat_8x8, temp_8x8; + + flat_8x8 = vabd_u8(p1q1, p0q0); + flat_8x8 = vmax_u8(flat_8x8, vabd_u8(p2q2, p0q0)); + flat_8x8 = vmax_u8(flat_8x8, vabd_u8(p3q3, p0q0)); + flat_8x8 = vcle_u8(flat_8x8, thresh_8x8); + + temp_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(flat_8x8))); + flat_8x8 = vand_u8(flat_8x8, temp_8x8); + + return flat_8x8; +} + +static INLINE uint8x8_t lpf_flat_mask3(uint8x8_t p2q2, uint8x8_t p1q1, + uint8x8_t p0q0) { + const uint8x8_t thresh_8x8 = vdup_n_u8(1); // for bd==8 threshold is always 1 + uint8x8_t flat_8x8, temp_8x8; + + flat_8x8 = vabd_u8(p1q1, p0q0); + flat_8x8 = vmax_u8(flat_8x8, vabd_u8(p2q2, p0q0)); + flat_8x8 = vcle_u8(flat_8x8, thresh_8x8); + + temp_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(flat_8x8))); + flat_8x8 = vand_u8(flat_8x8, temp_8x8); + + return flat_8x8; +} + +static INLINE uint8x8_t lpf_mask3_chroma(uint8x8_t p2q2, uint8x8_t p1q1, + uint8x8_t p0q0, const uint8_t blimit, + const uint8_t limit) { + // Calculate mask3 values for four samples + uint32x2x2_t p0q0_p1q1; + uint16x8_t temp_16x8; + uint16x4_t temp0_16x4, temp1_16x4; + uint8x8_t mask_8x8, temp_8x8; + const uint8x8_t limit_8x8 = vdup_n_u8(limit); + const uint16x4_t blimit_16x4 = vdup_n_u16((uint16_t)blimit); + + mask_8x8 = vabd_u8(p2q2, p1q1); + mask_8x8 = vmax_u8(mask_8x8, vabd_u8(p1q1, p0q0)); + mask_8x8 = vcle_u8(mask_8x8, limit_8x8); + + temp_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(mask_8x8))); + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + p0q0_p1q1 = vtrn_u32(vreinterpret_u32_u8(p0q0), vreinterpret_u32_u8(p1q1)); + temp_8x8 = vabd_u8(vreinterpret_u8_u32(p0q0_p1q1.val[0]), + vreinterpret_u8_u32(p0q0_p1q1.val[1])); + temp_16x8 = vmovl_u8(temp_8x8); + temp0_16x4 = vshl_n_u16(vget_low_u16(temp_16x8), 1); + temp1_16x4 = vshr_n_u16(vget_high_u16(temp_16x8), 1); + temp0_16x4 = vadd_u16(temp0_16x4, temp1_16x4); + temp0_16x4 = vcle_u16(temp0_16x4, blimit_16x4); + temp_8x8 = vmovn_u16(vcombine_u16(temp0_16x4, temp0_16x4)); + + mask_8x8 = vand_u8(mask_8x8, temp_8x8); + + return mask_8x8; +} + +static void lpf_14_neon(uint8x8_t *p6q6, uint8x8_t *p5q5, uint8x8_t *p4q4, + uint8x8_t *p3q3, uint8x8_t *p2q2, uint8x8_t *p1q1, + uint8x8_t *p0q0, const uint8_t blimit, + const uint8_t limit, const uint8_t thresh) { + uint16x8_t out; + uint8x8_t out_f14_pq0, out_f14_pq1, out_f14_pq2, out_f14_pq3, out_f14_pq4, + out_f14_pq5; + uint8x8_t out_f7_pq0, out_f7_pq1, out_f7_pq2; + uint8x8_t out_f4_pq0, out_f4_pq1; + uint8x8_t mask_8x8, flat_8x8, flat2_8x8; + uint8x8_t q0p0, q1p1, q2p2; + + // Calculate filter masks + mask_8x8 = lpf_mask(*p3q3, *p2q2, *p1q1, *p0q0, blimit, limit); + flat_8x8 = lpf_flat_mask4(*p3q3, *p2q2, *p1q1, *p0q0); + flat2_8x8 = lpf_flat_mask4(*p6q6, *p5q5, *p4q4, *p0q0); + { + // filter 4 + int32x2x2_t ps0_qs0, ps1_qs1; + int16x8_t filter_s16; + const uint8x8_t thresh_f4 = vdup_n_u8(thresh); + uint8x8_t temp0_8x8, temp1_8x8; + int8x8_t ps0_s8, ps1_s8, qs0_s8, qs1_s8, temp_s8; + int8x8_t op0, oq0, op1, oq1; + int8x8_t pq_s0, pq_s1; + int8x8_t filter_s8, filter1_s8, filter2_s8; + int8x8_t hev_8x8; + const int8x8_t sign_mask = vdup_n_s8(0x80); + const int8x8_t val_4 = vdup_n_s8(4); + const int8x8_t val_3 = vdup_n_s8(3); + + pq_s0 = veor_s8(vreinterpret_s8_u8(*p0q0), sign_mask); + pq_s1 = veor_s8(vreinterpret_s8_u8(*p1q1), sign_mask); + + ps0_qs0 = vtrn_s32(vreinterpret_s32_s8(pq_s0), vreinterpret_s32_s8(pq_s0)); + ps1_qs1 = vtrn_s32(vreinterpret_s32_s8(pq_s1), vreinterpret_s32_s8(pq_s1)); + ps0_s8 = vreinterpret_s8_s32(ps0_qs0.val[0]); + qs0_s8 = vreinterpret_s8_s32(ps0_qs0.val[1]); + ps1_s8 = vreinterpret_s8_s32(ps1_qs1.val[0]); + qs1_s8 = vreinterpret_s8_s32(ps1_qs1.val[1]); + + // hev_mask + temp0_8x8 = vcgt_u8(vabd_u8(*p0q0, *p1q1), thresh_f4); + temp1_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(temp0_8x8))); + hev_8x8 = vreinterpret_s8_u8(vorr_u8(temp0_8x8, temp1_8x8)); + + // add outer taps if we have high edge variance + filter_s8 = vqsub_s8(ps1_s8, qs1_s8); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + // inner taps + temp_s8 = vqsub_s8(qs0_s8, ps0_s8); + filter_s16 = vmovl_s8(filter_s8); + filter_s16 = vmlal_s8(filter_s16, temp_s8, val_3); + filter_s8 = vqmovn_s16(filter_s16); + filter_s8 = vand_s8(filter_s8, vreinterpret_s8_u8(mask_8x8)); + + filter1_s8 = vqadd_s8(filter_s8, val_4); + filter2_s8 = vqadd_s8(filter_s8, val_3); + filter1_s8 = vshr_n_s8(filter1_s8, 3); + filter2_s8 = vshr_n_s8(filter2_s8, 3); + + oq0 = veor_s8(vqsub_s8(qs0_s8, filter1_s8), sign_mask); + op0 = veor_s8(vqadd_s8(ps0_s8, filter2_s8), sign_mask); + + hev_8x8 = vmvn_s8(hev_8x8); + filter_s8 = vrshr_n_s8(filter1_s8, 1); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + oq1 = veor_s8(vqsub_s8(qs1_s8, filter_s8), sign_mask); + op1 = veor_s8(vqadd_s8(ps1_s8, filter_s8), sign_mask); + + out_f4_pq0 = vreinterpret_u8_s8(vext_s8(op0, oq0, 4)); + out_f4_pq1 = vreinterpret_u8_s8(vext_s8(op1, oq1, 4)); + } + // reverse p and q + q0p0 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p0q0))); + q1p1 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p1q1))); + q2p2 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p2q2))); + { + // filter 8 + uint16x8_t out_pq0, out_pq1, out_pq2; + out = vaddl_u8(*p3q3, *p2q2); + out = vaddw_u8(out, *p1q1); + out = vaddw_u8(out, *p0q0); + + out = vaddw_u8(out, q0p0); + out_pq1 = vaddw_u8(out, *p3q3); + out_pq2 = vaddw_u8(out_pq1, *p3q3); + out_pq2 = vaddw_u8(out_pq2, *p2q2); + out_pq1 = vaddw_u8(out_pq1, *p1q1); + out_pq1 = vaddw_u8(out_pq1, q1p1); + + out_pq0 = vaddw_u8(out, *p0q0); + out_pq0 = vaddw_u8(out_pq0, q1p1); + out_pq0 = vaddw_u8(out_pq0, q2p2); + + out_f7_pq0 = vrshrn_n_u16(out_pq0, 3); + out_f7_pq1 = vrshrn_n_u16(out_pq1, 3); + out_f7_pq2 = vrshrn_n_u16(out_pq2, 3); + } + { + // filter 14 + uint16x8_t out_pq0, out_pq1, out_pq2, out_pq3, out_pq4, out_pq5; + uint16x8_t p6q6_2, p6q6_temp, qp_sum; + uint8x8_t qp_rev; + + out = vaddw_u8(out, *p4q4); + out = vaddw_u8(out, *p5q5); + out = vaddw_u8(out, *p6q6); + + out_pq5 = vaddw_u8(out, *p4q4); + out_pq4 = vaddw_u8(out_pq5, *p3q3); + out_pq3 = vaddw_u8(out_pq4, *p2q2); + + out_pq5 = vaddw_u8(out_pq5, *p5q5); + out_pq4 = vaddw_u8(out_pq4, *p5q5); + + out_pq0 = vaddw_u8(out, *p1q1); + out_pq1 = vaddw_u8(out_pq0, *p2q2); + out_pq2 = vaddw_u8(out_pq1, *p3q3); + + out_pq0 = vaddw_u8(out_pq0, *p0q0); + out_pq1 = vaddw_u8(out_pq1, *p0q0); + + out_pq1 = vaddw_u8(out_pq1, *p6q6); + p6q6_2 = vaddl_u8(*p6q6, *p6q6); + out_pq2 = vaddq_u16(out_pq2, p6q6_2); + p6q6_temp = vaddw_u8(p6q6_2, *p6q6); + out_pq3 = vaddq_u16(out_pq3, p6q6_temp); + p6q6_temp = vaddw_u8(p6q6_temp, *p6q6); + out_pq4 = vaddq_u16(out_pq4, p6q6_temp); + p6q6_temp = vaddq_u16(p6q6_temp, p6q6_2); + out_pq5 = vaddq_u16(out_pq5, p6q6_temp); + + out_pq4 = vaddw_u8(out_pq4, q1p1); + + qp_sum = vaddl_u8(q2p2, q1p1); + out_pq3 = vaddq_u16(out_pq3, qp_sum); + + qp_rev = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p3q3))); + qp_sum = vaddw_u8(qp_sum, qp_rev); + out_pq2 = vaddq_u16(out_pq2, qp_sum); + + qp_rev = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p4q4))); + qp_sum = vaddw_u8(qp_sum, qp_rev); + out_pq1 = vaddq_u16(out_pq1, qp_sum); + + qp_rev = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p5q5))); + qp_sum = vaddw_u8(qp_sum, qp_rev); + out_pq0 = vaddq_u16(out_pq0, qp_sum); + + out_pq0 = vaddw_u8(out_pq0, q0p0); + + out_f14_pq0 = vrshrn_n_u16(out_pq0, 4); + out_f14_pq1 = vrshrn_n_u16(out_pq1, 4); + out_f14_pq2 = vrshrn_n_u16(out_pq2, 4); + out_f14_pq3 = vrshrn_n_u16(out_pq3, 4); + out_f14_pq4 = vrshrn_n_u16(out_pq4, 4); + out_f14_pq5 = vrshrn_n_u16(out_pq5, 4); + } + { + uint8x8_t filter4_cond, filter8_cond, filter14_cond; + filter8_cond = vand_u8(flat_8x8, mask_8x8); + filter4_cond = vmvn_u8(filter8_cond); + filter14_cond = vand_u8(filter8_cond, flat2_8x8); + + // filter4 outputs + *p0q0 = vbsl_u8(filter4_cond, out_f4_pq0, *p0q0); + *p1q1 = vbsl_u8(filter4_cond, out_f4_pq1, *p1q1); + + // filter8 outputs + *p0q0 = vbsl_u8(filter8_cond, out_f7_pq0, *p0q0); + *p1q1 = vbsl_u8(filter8_cond, out_f7_pq1, *p1q1); + *p2q2 = vbsl_u8(filter8_cond, out_f7_pq2, *p2q2); + + // filter14 outputs + *p0q0 = vbsl_u8(filter14_cond, out_f14_pq0, *p0q0); + *p1q1 = vbsl_u8(filter14_cond, out_f14_pq1, *p1q1); + *p2q2 = vbsl_u8(filter14_cond, out_f14_pq2, *p2q2); + *p3q3 = vbsl_u8(filter14_cond, out_f14_pq3, *p3q3); + *p4q4 = vbsl_u8(filter14_cond, out_f14_pq4, *p4q4); + *p5q5 = vbsl_u8(filter14_cond, out_f14_pq5, *p5q5); + } +} + +static void lpf_8_neon(uint8x8_t *p3q3, uint8x8_t *p2q2, uint8x8_t *p1q1, + uint8x8_t *p0q0, const uint8_t blimit, + const uint8_t limit, const uint8_t thresh) { + uint16x8_t out; + uint8x8_t out_f7_pq0, out_f7_pq1, out_f7_pq2; + uint8x8_t out_f4_pq0, out_f4_pq1; + uint8x8_t mask_8x8, flat_8x8; + + // Calculate filter masks + mask_8x8 = lpf_mask(*p3q3, *p2q2, *p1q1, *p0q0, blimit, limit); + flat_8x8 = lpf_flat_mask4(*p3q3, *p2q2, *p1q1, *p0q0); + { + // filter 4 + int32x2x2_t ps0_qs0, ps1_qs1; + int16x8_t filter_s16; + const uint8x8_t thresh_f4 = vdup_n_u8(thresh); + uint8x8_t temp0_8x8, temp1_8x8; + int8x8_t ps0_s8, ps1_s8, qs0_s8, qs1_s8, temp_s8; + int8x8_t op0, oq0, op1, oq1; + int8x8_t pq_s0, pq_s1; + int8x8_t filter_s8, filter1_s8, filter2_s8; + int8x8_t hev_8x8; + const int8x8_t sign_mask = vdup_n_s8(0x80); + const int8x8_t val_4 = vdup_n_s8(4); + const int8x8_t val_3 = vdup_n_s8(3); + + pq_s0 = veor_s8(vreinterpret_s8_u8(*p0q0), sign_mask); + pq_s1 = veor_s8(vreinterpret_s8_u8(*p1q1), sign_mask); + + ps0_qs0 = vtrn_s32(vreinterpret_s32_s8(pq_s0), vreinterpret_s32_s8(pq_s0)); + ps1_qs1 = vtrn_s32(vreinterpret_s32_s8(pq_s1), vreinterpret_s32_s8(pq_s1)); + ps0_s8 = vreinterpret_s8_s32(ps0_qs0.val[0]); + qs0_s8 = vreinterpret_s8_s32(ps0_qs0.val[1]); + ps1_s8 = vreinterpret_s8_s32(ps1_qs1.val[0]); + qs1_s8 = vreinterpret_s8_s32(ps1_qs1.val[1]); + + // hev_mask + temp0_8x8 = vcgt_u8(vabd_u8(*p0q0, *p1q1), thresh_f4); + temp1_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(temp0_8x8))); + hev_8x8 = vreinterpret_s8_u8(vorr_u8(temp0_8x8, temp1_8x8)); + + // add outer taps if we have high edge variance + filter_s8 = vqsub_s8(ps1_s8, qs1_s8); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + // inner taps + temp_s8 = vqsub_s8(qs0_s8, ps0_s8); + filter_s16 = vmovl_s8(filter_s8); + filter_s16 = vmlal_s8(filter_s16, temp_s8, val_3); + filter_s8 = vqmovn_s16(filter_s16); + filter_s8 = vand_s8(filter_s8, vreinterpret_s8_u8(mask_8x8)); + + filter1_s8 = vqadd_s8(filter_s8, val_4); + filter2_s8 = vqadd_s8(filter_s8, val_3); + filter1_s8 = vshr_n_s8(filter1_s8, 3); + filter2_s8 = vshr_n_s8(filter2_s8, 3); + + oq0 = veor_s8(vqsub_s8(qs0_s8, filter1_s8), sign_mask); + op0 = veor_s8(vqadd_s8(ps0_s8, filter2_s8), sign_mask); + + hev_8x8 = vmvn_s8(hev_8x8); + filter_s8 = vrshr_n_s8(filter1_s8, 1); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + oq1 = veor_s8(vqsub_s8(qs1_s8, filter_s8), sign_mask); + op1 = veor_s8(vqadd_s8(ps1_s8, filter_s8), sign_mask); + + out_f4_pq0 = vreinterpret_u8_s8(vext_s8(op0, oq0, 4)); + out_f4_pq1 = vreinterpret_u8_s8(vext_s8(op1, oq1, 4)); + } + { + // filter 8 + uint16x8_t out_pq0, out_pq1, out_pq2; + uint8x8_t q0p0, q1p1, q2p2; + + out = vaddl_u8(*p3q3, *p2q2); + out = vaddw_u8(out, *p1q1); + out = vaddw_u8(out, *p0q0); + + // reverse p and q + q0p0 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p0q0))); + q1p1 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p1q1))); + q2p2 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p2q2))); + + out = vaddw_u8(out, q0p0); + out_pq1 = vaddw_u8(out, *p3q3); + out_pq2 = vaddw_u8(out_pq1, *p3q3); + out_pq2 = vaddw_u8(out_pq2, *p2q2); + out_pq1 = vaddw_u8(out_pq1, *p1q1); + out_pq1 = vaddw_u8(out_pq1, q1p1); + + out_pq0 = vaddw_u8(out, *p0q0); + out_pq0 = vaddw_u8(out_pq0, q1p1); + out_pq0 = vaddw_u8(out_pq0, q2p2); + + out_f7_pq0 = vrshrn_n_u16(out_pq0, 3); + out_f7_pq1 = vrshrn_n_u16(out_pq1, 3); + out_f7_pq2 = vrshrn_n_u16(out_pq2, 3); + } + { + uint8x8_t filter4_cond, filter8_cond; + filter8_cond = vand_u8(flat_8x8, mask_8x8); + filter4_cond = vmvn_u8(filter8_cond); + + // filter4 outputs + *p0q0 = vbsl_u8(filter4_cond, out_f4_pq0, *p0q0); + *p1q1 = vbsl_u8(filter4_cond, out_f4_pq1, *p1q1); + + // filter8 outputs + *p0q0 = vbsl_u8(filter8_cond, out_f7_pq0, *p0q0); + *p1q1 = vbsl_u8(filter8_cond, out_f7_pq1, *p1q1); + *p2q2 = vbsl_u8(filter8_cond, out_f7_pq2, *p2q2); + } +} + +static void lpf_6_neon(uint8x8_t *p2q2, uint8x8_t *p1q1, uint8x8_t *p0q0, + const uint8_t blimit, const uint8_t limit, + const uint8_t thresh) { + uint16x8_t out; + uint8x8_t out_f6_pq0, out_f6_pq1; + uint8x8_t out_f4_pq0, out_f4_pq1; + uint8x8_t mask_8x8, flat_8x8; + + // Calculate filter masks + mask_8x8 = lpf_mask3_chroma(*p2q2, *p1q1, *p0q0, blimit, limit); + flat_8x8 = lpf_flat_mask3(*p2q2, *p1q1, *p0q0); + { + // filter 4 + int32x2x2_t ps0_qs0, ps1_qs1; + int16x8_t filter_s16; + const uint8x8_t thresh_f4 = vdup_n_u8(thresh); + uint8x8_t temp0_8x8, temp1_8x8; + int8x8_t ps0_s8, ps1_s8, qs0_s8, qs1_s8, temp_s8; + int8x8_t op0, oq0, op1, oq1; + int8x8_t pq_s0, pq_s1; + int8x8_t filter_s8, filter1_s8, filter2_s8; + int8x8_t hev_8x8; + const int8x8_t sign_mask = vdup_n_s8(0x80); + const int8x8_t val_4 = vdup_n_s8(4); + const int8x8_t val_3 = vdup_n_s8(3); + + pq_s0 = veor_s8(vreinterpret_s8_u8(*p0q0), sign_mask); + pq_s1 = veor_s8(vreinterpret_s8_u8(*p1q1), sign_mask); + + ps0_qs0 = vtrn_s32(vreinterpret_s32_s8(pq_s0), vreinterpret_s32_s8(pq_s0)); + ps1_qs1 = vtrn_s32(vreinterpret_s32_s8(pq_s1), vreinterpret_s32_s8(pq_s1)); + ps0_s8 = vreinterpret_s8_s32(ps0_qs0.val[0]); + qs0_s8 = vreinterpret_s8_s32(ps0_qs0.val[1]); + ps1_s8 = vreinterpret_s8_s32(ps1_qs1.val[0]); + qs1_s8 = vreinterpret_s8_s32(ps1_qs1.val[1]); + + // hev_mask + temp0_8x8 = vcgt_u8(vabd_u8(*p0q0, *p1q1), thresh_f4); + temp1_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(temp0_8x8))); + hev_8x8 = vreinterpret_s8_u8(vorr_u8(temp0_8x8, temp1_8x8)); + + // add outer taps if we have high edge variance + filter_s8 = vqsub_s8(ps1_s8, qs1_s8); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + // inner taps + temp_s8 = vqsub_s8(qs0_s8, ps0_s8); + filter_s16 = vmovl_s8(filter_s8); + filter_s16 = vmlal_s8(filter_s16, temp_s8, val_3); + filter_s8 = vqmovn_s16(filter_s16); + filter_s8 = vand_s8(filter_s8, vreinterpret_s8_u8(mask_8x8)); + + filter1_s8 = vqadd_s8(filter_s8, val_4); + filter2_s8 = vqadd_s8(filter_s8, val_3); + filter1_s8 = vshr_n_s8(filter1_s8, 3); + filter2_s8 = vshr_n_s8(filter2_s8, 3); + + oq0 = veor_s8(vqsub_s8(qs0_s8, filter1_s8), sign_mask); + op0 = veor_s8(vqadd_s8(ps0_s8, filter2_s8), sign_mask); + + filter_s8 = vrshr_n_s8(filter1_s8, 1); + filter_s8 = vbic_s8(filter_s8, hev_8x8); + + oq1 = veor_s8(vqsub_s8(qs1_s8, filter_s8), sign_mask); + op1 = veor_s8(vqadd_s8(ps1_s8, filter_s8), sign_mask); + + out_f4_pq0 = vreinterpret_u8_s8(vext_s8(op0, oq0, 4)); + out_f4_pq1 = vreinterpret_u8_s8(vext_s8(op1, oq1, 4)); + } + { + // filter 6 + uint16x8_t out_pq0, out_pq1; + uint8x8_t pq_rev; + + out = vaddl_u8(*p0q0, *p1q1); + out = vaddq_u16(out, out); + out = vaddw_u8(out, *p2q2); + + pq_rev = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p0q0))); + out = vaddw_u8(out, pq_rev); + + out_pq0 = vaddw_u8(out, pq_rev); + pq_rev = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(*p1q1))); + out_pq0 = vaddw_u8(out_pq0, pq_rev); + + out_pq1 = vaddw_u8(out, *p2q2); + out_pq1 = vaddw_u8(out_pq1, *p2q2); + + out_f6_pq0 = vrshrn_n_u16(out_pq0, 3); + out_f6_pq1 = vrshrn_n_u16(out_pq1, 3); + } + { + uint8x8_t filter4_cond, filter6_cond; + filter6_cond = vand_u8(flat_8x8, mask_8x8); + filter4_cond = vmvn_u8(filter6_cond); + + // filter4 outputs + *p0q0 = vbsl_u8(filter4_cond, out_f4_pq0, *p0q0); + *p1q1 = vbsl_u8(filter4_cond, out_f4_pq1, *p1q1); + + // filter6 outputs + *p0q0 = vbsl_u8(filter6_cond, out_f6_pq0, *p0q0); + *p1q1 = vbsl_u8(filter6_cond, out_f6_pq1, *p1q1); + } +} + +static void lpf_4_neon(uint8x8_t *p1q1, uint8x8_t *p0q0, const uint8_t blimit, + const uint8_t limit, const uint8_t thresh) { + int32x2x2_t ps0_qs0, ps1_qs1; + int16x8_t filter_s16; + const uint8x8_t thresh_f4 = vdup_n_u8(thresh); + uint8x8_t mask_8x8, temp0_8x8, temp1_8x8; + int8x8_t ps0_s8, ps1_s8, qs0_s8, qs1_s8, temp_s8; + int8x8_t op0, oq0, op1, oq1; + int8x8_t pq_s0, pq_s1; + int8x8_t filter_s8, filter1_s8, filter2_s8; + int8x8_t hev_8x8; + const int8x8_t sign_mask = vdup_n_s8(0x80); + const int8x8_t val_4 = vdup_n_s8(4); + const int8x8_t val_3 = vdup_n_s8(3); + + // Calculate filter mask + mask_8x8 = lpf_mask2(*p1q1, *p0q0, blimit, limit); + + pq_s0 = veor_s8(vreinterpret_s8_u8(*p0q0), sign_mask); + pq_s1 = veor_s8(vreinterpret_s8_u8(*p1q1), sign_mask); + + ps0_qs0 = vtrn_s32(vreinterpret_s32_s8(pq_s0), vreinterpret_s32_s8(pq_s0)); + ps1_qs1 = vtrn_s32(vreinterpret_s32_s8(pq_s1), vreinterpret_s32_s8(pq_s1)); + ps0_s8 = vreinterpret_s8_s32(ps0_qs0.val[0]); + qs0_s8 = vreinterpret_s8_s32(ps0_qs0.val[1]); + ps1_s8 = vreinterpret_s8_s32(ps1_qs1.val[0]); + qs1_s8 = vreinterpret_s8_s32(ps1_qs1.val[1]); + + // hev_mask + temp0_8x8 = vcgt_u8(vabd_u8(*p0q0, *p1q1), thresh_f4); + temp1_8x8 = vreinterpret_u8_u32(vrev64_u32(vreinterpret_u32_u8(temp0_8x8))); + hev_8x8 = vreinterpret_s8_u8(vorr_u8(temp0_8x8, temp1_8x8)); + + // add outer taps if we have high edge variance + filter_s8 = vqsub_s8(ps1_s8, qs1_s8); + filter_s8 = vand_s8(filter_s8, hev_8x8); + + // inner taps + temp_s8 = vqsub_s8(qs0_s8, ps0_s8); + filter_s16 = vmovl_s8(filter_s8); + filter_s16 = vmlal_s8(filter_s16, temp_s8, val_3); + filter_s8 = vqmovn_s16(filter_s16); + filter_s8 = vand_s8(filter_s8, vreinterpret_s8_u8(mask_8x8)); + + filter1_s8 = vqadd_s8(filter_s8, val_4); + filter2_s8 = vqadd_s8(filter_s8, val_3); + filter1_s8 = vshr_n_s8(filter1_s8, 3); + filter2_s8 = vshr_n_s8(filter2_s8, 3); + + oq0 = veor_s8(vqsub_s8(qs0_s8, filter1_s8), sign_mask); + op0 = veor_s8(vqadd_s8(ps0_s8, filter2_s8), sign_mask); + + filter_s8 = vrshr_n_s8(filter1_s8, 1); + filter_s8 = vbic_s8(filter_s8, hev_8x8); + + oq1 = veor_s8(vqsub_s8(qs1_s8, filter_s8), sign_mask); + op1 = veor_s8(vqadd_s8(ps1_s8, filter_s8), sign_mask); + + *p0q0 = vreinterpret_u8_s8(vext_s8(op0, oq0, 4)); + *p1q1 = vreinterpret_u8_s8(vext_s8(op1, oq1, 4)); +} + +void aom_lpf_vertical_14_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x16_t row0, row1, row2, row3; + uint8x8_t pxp3, p6p2, p5p1, p4p0; + uint8x8_t q0q4, q1q5, q2q6, q3qy; + uint32x2x2_t p6q6_p2q2, p5q5_p1q1, p4q4_p0q0, pxqx_p3q3; + uint32x2_t pq_rev; + uint8x8_t p0q0, p1q1, p2q2, p3q3, p4q4, p5q5, p6q6; + + // row0: x p6 p5 p4 p3 p2 p1 p0 | q0 q1 q2 q3 q4 q5 q6 y + // row1: x p6 p5 p4 p3 p2 p1 p0 | q0 q1 q2 q3 q4 q5 q6 y + // row2: x p6 p5 p4 p3 p2 p1 p0 | q0 q1 q2 q3 q4 q5 q6 y + // row3: x p6 p5 p4 p3 p2 p1 p0 | q0 q1 q2 q3 q4 q5 q6 y + load_u8_8x16(src - 8, stride, &row0, &row1, &row2, &row3); + + pxp3 = vget_low_u8(row0); + p6p2 = vget_low_u8(row1); + p5p1 = vget_low_u8(row2); + p4p0 = vget_low_u8(row3); + transpose_u8_8x4(&pxp3, &p6p2, &p5p1, &p4p0); + + q0q4 = vget_high_u8(row0); + q1q5 = vget_high_u8(row1); + q2q6 = vget_high_u8(row2); + q3qy = vget_high_u8(row3); + transpose_u8_8x4(&q0q4, &q1q5, &q2q6, &q3qy); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(q3qy)); + pxqx_p3q3 = vtrn_u32(vreinterpret_u32_u8(pxp3), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(q1q5)); + p5q5_p1q1 = vtrn_u32(vreinterpret_u32_u8(p5p1), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(q0q4)); + p4q4_p0q0 = vtrn_u32(vreinterpret_u32_u8(p4p0), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(q2q6)); + p6q6_p2q2 = vtrn_u32(vreinterpret_u32_u8(p6p2), pq_rev); + + p0q0 = vreinterpret_u8_u32(p4q4_p0q0.val[1]); + p1q1 = vreinterpret_u8_u32(p5q5_p1q1.val[1]); + p2q2 = vreinterpret_u8_u32(p6q6_p2q2.val[1]); + p3q3 = vreinterpret_u8_u32(pxqx_p3q3.val[1]); + p4q4 = vreinterpret_u8_u32(p4q4_p0q0.val[0]); + p5q5 = vreinterpret_u8_u32(p5q5_p1q1.val[0]); + p6q6 = vreinterpret_u8_u32(p6q6_p2q2.val[0]); + + lpf_14_neon(&p6q6, &p5q5, &p4q4, &p3q3, &p2q2, &p1q1, &p0q0, *blimit, *limit, + *thresh); + + pxqx_p3q3 = vtrn_u32(pxqx_p3q3.val[0], vreinterpret_u32_u8(p3q3)); + p5q5_p1q1 = vtrn_u32(vreinterpret_u32_u8(p5q5), vreinterpret_u32_u8(p1q1)); + p4q4_p0q0 = vtrn_u32(vreinterpret_u32_u8(p4q4), vreinterpret_u32_u8(p0q0)); + p6q6_p2q2 = vtrn_u32(vreinterpret_u32_u8(p6q6), vreinterpret_u32_u8(p2q2)); + + pxqx_p3q3.val[1] = vrev64_u32(pxqx_p3q3.val[1]); + p5q5_p1q1.val[1] = vrev64_u32(p5q5_p1q1.val[1]); + p4q4_p0q0.val[1] = vrev64_u32(p4q4_p0q0.val[1]); + p6q6_p2q2.val[1] = vrev64_u32(p6q6_p2q2.val[1]); + + q0q4 = vreinterpret_u8_u32(p4q4_p0q0.val[1]); + q1q5 = vreinterpret_u8_u32(p5q5_p1q1.val[1]); + q2q6 = vreinterpret_u8_u32(p6q6_p2q2.val[1]); + q3qy = vreinterpret_u8_u32(pxqx_p3q3.val[1]); + transpose_u8_8x4(&q0q4, &q1q5, &q2q6, &q3qy); + + pxp3 = vreinterpret_u8_u32(pxqx_p3q3.val[0]); + p6p2 = vreinterpret_u8_u32(p6q6_p2q2.val[0]); + p5p1 = vreinterpret_u8_u32(p5q5_p1q1.val[0]); + p4p0 = vreinterpret_u8_u32(p4q4_p0q0.val[0]); + transpose_u8_8x4(&pxp3, &p6p2, &p5p1, &p4p0); + + row0 = vcombine_u8(pxp3, q0q4); + row1 = vcombine_u8(p6p2, q1q5); + row2 = vcombine_u8(p5p1, q2q6); + row3 = vcombine_u8(p4p0, q3qy); + + store_u8_8x16(src - 8, stride, row0, row1, row2, row3); +} + +void aom_lpf_vertical_8_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint32x2x2_t p2q2_p1q1, p3q3_p0q0; + uint32x2_t pq_rev; + uint8x8_t p3q0, p2q1, p1q2, p0q3; + uint8x8_t p0q0, p1q1, p2q2, p3q3; + + // row0: p3 p2 p1 p0 | q0 q1 q2 q3 + // row1: p3 p2 p1 p0 | q0 q1 q2 q3 + // row2: p3 p2 p1 p0 | q0 q1 q2 q3 + // row3: p3 p2 p1 p0 | q0 q1 q2 q3 + load_u8_8x4(src - 4, stride, &p3q0, &p2q1, &p1q2, &p0q3); + + transpose_u8_8x4(&p3q0, &p2q1, &p1q2, &p0q3); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p0q3)); + p3q3_p0q0 = vtrn_u32(vreinterpret_u32_u8(p3q0), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p1q2)); + p2q2_p1q1 = vtrn_u32(vreinterpret_u32_u8(p2q1), pq_rev); + + p0q0 = vreinterpret_u8_u32(vrev64_u32(p3q3_p0q0.val[1])); + p1q1 = vreinterpret_u8_u32(vrev64_u32(p2q2_p1q1.val[1])); + p2q2 = vreinterpret_u8_u32(p2q2_p1q1.val[0]); + p3q3 = vreinterpret_u8_u32(p3q3_p0q0.val[0]); + + lpf_8_neon(&p3q3, &p2q2, &p1q1, &p0q0, *blimit, *limit, *thresh); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p0q0)); + p3q3_p0q0 = vtrn_u32(vreinterpret_u32_u8(p3q3), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p1q1)); + p2q2_p1q1 = vtrn_u32(vreinterpret_u32_u8(p2q2), pq_rev); + + p0q3 = vreinterpret_u8_u32(vrev64_u32(p3q3_p0q0.val[1])); + p1q2 = vreinterpret_u8_u32(vrev64_u32(p2q2_p1q1.val[1])); + p2q1 = vreinterpret_u8_u32(p2q2_p1q1.val[0]); + p3q0 = vreinterpret_u8_u32(p3q3_p0q0.val[0]); + transpose_u8_8x4(&p3q0, &p2q1, &p1q2, &p0q3); + + store_u8_8x4(src - 4, stride, p3q0, p2q1, p1q2, p0q3); +} + +void aom_lpf_vertical_6_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint32x2x2_t p2q2_p1q1, pxqy_p0q0; + uint32x2_t pq_rev; + uint8x8_t pxq0, p2q1, p1q2, p0qy; + uint8x8_t p0q0, p1q1, p2q2, pxqy; + + // row0: px p2 p1 p0 | q0 q1 q2 qy + // row1: px p2 p1 p0 | q0 q1 q2 qy + // row2: px p2 p1 p0 | q0 q1 q2 qy + // row3: px p2 p1 p0 | q0 q1 q2 qy + load_u8_8x4(src - 4, stride, &pxq0, &p2q1, &p1q2, &p0qy); + + transpose_u8_8x4(&pxq0, &p2q1, &p1q2, &p0qy); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p0qy)); + pxqy_p0q0 = vtrn_u32(vreinterpret_u32_u8(pxq0), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p1q2)); + p2q2_p1q1 = vtrn_u32(vreinterpret_u32_u8(p2q1), pq_rev); + + p0q0 = vreinterpret_u8_u32(vrev64_u32(pxqy_p0q0.val[1])); + p1q1 = vreinterpret_u8_u32(vrev64_u32(p2q2_p1q1.val[1])); + p2q2 = vreinterpret_u8_u32(p2q2_p1q1.val[0]); + pxqy = vreinterpret_u8_u32(pxqy_p0q0.val[0]); + + lpf_6_neon(&p2q2, &p1q1, &p0q0, *blimit, *limit, *thresh); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p0q0)); + pxqy_p0q0 = vtrn_u32(vreinterpret_u32_u8(pxqy), pq_rev); + + pq_rev = vrev64_u32(vreinterpret_u32_u8(p1q1)); + p2q2_p1q1 = vtrn_u32(vreinterpret_u32_u8(p2q2), pq_rev); + + p0qy = vreinterpret_u8_u32(vrev64_u32(pxqy_p0q0.val[1])); + p1q2 = vreinterpret_u8_u32(vrev64_u32(p2q2_p1q1.val[1])); + p2q1 = vreinterpret_u8_u32(p2q2_p1q1.val[0]); + pxq0 = vreinterpret_u8_u32(pxqy_p0q0.val[0]); + transpose_u8_8x4(&pxq0, &p2q1, &p1q2, &p0qy); + + store_u8_8x4(src - 4, stride, pxq0, p2q1, p1q2, p0qy); +} + +void aom_lpf_vertical_4_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint32x2x2_t p1q0_p0q1, p1q1_p0q0, p1p0_q1q0; + uint32x2_t pq_rev; + uint8x8_t UNINITIALIZED_IS_SAFE(p1p0), q0q1, p0q0, p1q1; + + // row0: p1 p0 | q0 q1 + // row1: p1 p0 | q0 q1 + // row2: p1 p0 | q0 q1 + // row3: p1 p0 | q0 q1 + load_u8_4x1(src - 2, &p1p0, 0); + load_u8_4x1((src - 2) + 1 * stride, &p1p0, 1); + load_u8_4x1((src - 2) + 2 * stride, &q0q1, 0); + load_u8_4x1((src - 2) + 3 * stride, &q0q1, 1); + + transpose_u8_4x4(&p1p0, &q0q1); + + p1q0_p0q1 = vtrn_u32(vreinterpret_u32_u8(p1p0), vreinterpret_u32_u8(q0q1)); + + pq_rev = vrev64_u32(p1q0_p0q1.val[1]); + p1q1_p0q0 = vtrn_u32(p1q0_p0q1.val[0], pq_rev); + + p1q1 = vreinterpret_u8_u32(p1q1_p0q0.val[0]); + p0q0 = vreinterpret_u8_u32(p1q1_p0q0.val[1]); + + lpf_4_neon(&p1q1, &p0q0, *blimit, *limit, *thresh); + + p1p0_q1q0 = vtrn_u32(vreinterpret_u32_u8(p1q1), vreinterpret_u32_u8(p0q0)); + + p1p0 = vreinterpret_u8_u32(p1p0_q1q0.val[0]); + q0q1 = vreinterpret_u8_u32(vrev64_u32(p1p0_q1q0.val[1])); + + transpose_u8_4x4(&p1p0, &q0q1); + + store_u8_4x1(src - 2, p1p0, 0); + store_u8_4x1((src - 2) + 1 * stride, q0q1, 0); + store_u8_4x1((src - 2) + 2 * stride, p1p0, 1); + store_u8_4x1((src - 2) + 3 * stride, q0q1, 1); +} + +void aom_lpf_horizontal_14_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p0q0, p1q1, p2q2, p3q3, p4q4, p5q5, UNINITIALIZED_IS_SAFE(p6q6); + + load_u8_4x1(src - 7 * stride, &p6q6, 0); + load_u8_4x1(src - 6 * stride, &p5q5, 0); + load_u8_4x1(src - 5 * stride, &p4q4, 0); + load_u8_4x1(src - 4 * stride, &p3q3, 0); + load_u8_4x1(src - 3 * stride, &p2q2, 0); + load_u8_4x1(src - 2 * stride, &p1q1, 0); + load_u8_4x1(src - 1 * stride, &p0q0, 0); + load_u8_4x1(src + 0 * stride, &p0q0, 1); + load_u8_4x1(src + 1 * stride, &p1q1, 1); + load_u8_4x1(src + 2 * stride, &p2q2, 1); + load_u8_4x1(src + 3 * stride, &p3q3, 1); + load_u8_4x1(src + 4 * stride, &p4q4, 1); + load_u8_4x1(src + 5 * stride, &p5q5, 1); + load_u8_4x1(src + 6 * stride, &p6q6, 1); + + lpf_14_neon(&p6q6, &p5q5, &p4q4, &p3q3, &p2q2, &p1q1, &p0q0, *blimit, *limit, + *thresh); + + store_u8_4x1(src - 6 * stride, p5q5, 0); + store_u8_4x1(src - 5 * stride, p4q4, 0); + store_u8_4x1(src - 4 * stride, p3q3, 0); + store_u8_4x1(src - 3 * stride, p2q2, 0); + store_u8_4x1(src - 2 * stride, p1q1, 0); + store_u8_4x1(src - 1 * stride, p0q0, 0); + store_u8_4x1(src + 0 * stride, p0q0, 1); + store_u8_4x1(src + 1 * stride, p1q1, 1); + store_u8_4x1(src + 2 * stride, p2q2, 1); + store_u8_4x1(src + 3 * stride, p3q3, 1); + store_u8_4x1(src + 4 * stride, p4q4, 1); + store_u8_4x1(src + 5 * stride, p5q5, 1); +} + +void aom_lpf_horizontal_8_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p0q0, p1q1, p2q2, p3q3; + + p3q3 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 4 * stride))); + p2q2 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 3 * stride))); + p1q1 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 2 * stride))); + p0q0 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 1 * stride))); + p0q0 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 0 * stride), + vreinterpret_u32_u8(p0q0), 1)); + p1q1 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 1 * stride), + vreinterpret_u32_u8(p1q1), 1)); + p2q2 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 2 * stride), + vreinterpret_u32_u8(p2q2), 1)); + p3q3 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 3 * stride), + vreinterpret_u32_u8(p3q3), 1)); + + lpf_8_neon(&p3q3, &p2q2, &p1q1, &p0q0, *blimit, *limit, *thresh); + + vst1_lane_u32((uint32_t *)(src - 4 * stride), vreinterpret_u32_u8(p3q3), 0); + vst1_lane_u32((uint32_t *)(src - 3 * stride), vreinterpret_u32_u8(p2q2), 0); + vst1_lane_u32((uint32_t *)(src - 2 * stride), vreinterpret_u32_u8(p1q1), 0); + vst1_lane_u32((uint32_t *)(src - 1 * stride), vreinterpret_u32_u8(p0q0), 0); + vst1_lane_u32((uint32_t *)(src + 0 * stride), vreinterpret_u32_u8(p0q0), 1); + vst1_lane_u32((uint32_t *)(src + 1 * stride), vreinterpret_u32_u8(p1q1), 1); + vst1_lane_u32((uint32_t *)(src + 2 * stride), vreinterpret_u32_u8(p2q2), 1); + vst1_lane_u32((uint32_t *)(src + 3 * stride), vreinterpret_u32_u8(p3q3), 1); +} + +void aom_lpf_horizontal_6_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p0q0, p1q1, p2q2; + + p2q2 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 3 * stride))); + p1q1 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 2 * stride))); + p0q0 = vreinterpret_u8_u32(vld1_dup_u32((uint32_t *)(src - 1 * stride))); + p0q0 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 0 * stride), + vreinterpret_u32_u8(p0q0), 1)); + p1q1 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 1 * stride), + vreinterpret_u32_u8(p1q1), 1)); + p2q2 = vreinterpret_u8_u32(vld1_lane_u32((uint32_t *)(src + 2 * stride), + vreinterpret_u32_u8(p2q2), 1)); + + lpf_6_neon(&p2q2, &p1q1, &p0q0, *blimit, *limit, *thresh); + + vst1_lane_u32((uint32_t *)(src - 3 * stride), vreinterpret_u32_u8(p2q2), 0); + vst1_lane_u32((uint32_t *)(src - 2 * stride), vreinterpret_u32_u8(p1q1), 0); + vst1_lane_u32((uint32_t *)(src - 1 * stride), vreinterpret_u32_u8(p0q0), 0); + vst1_lane_u32((uint32_t *)(src + 0 * stride), vreinterpret_u32_u8(p0q0), 1); + vst1_lane_u32((uint32_t *)(src + 1 * stride), vreinterpret_u32_u8(p1q1), 1); + vst1_lane_u32((uint32_t *)(src + 2 * stride), vreinterpret_u32_u8(p2q2), 1); +} + +void aom_lpf_horizontal_4_neon(uint8_t *src, int stride, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p0q0, UNINITIALIZED_IS_SAFE(p1q1); + + load_u8_4x1(src - 2 * stride, &p1q1, 0); + load_u8_4x1(src - 1 * stride, &p0q0, 0); + load_u8_4x1(src + 0 * stride, &p0q0, 1); + load_u8_4x1(src + 1 * stride, &p1q1, 1); + + lpf_4_neon(&p1q1, &p0q0, *blimit, *limit, *thresh); + + store_u8_4x1(src - 2 * stride, p1q1, 0); + store_u8_4x1(src - 1 * stride, p0q0, 0); + store_u8_4x1(src + 0 * stride, p0q0, 1); + store_u8_4x1(src + 1 * stride, p1q1, 1); +} |