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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#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), UNINITIALIZED_IS_SAFE(q0q1);
uint8x8_t p0q0, p1q1;
// row0: p1 p0 | q0 q1
// row1: p1 p0 | q0 q1
// row2: p1 p0 | q0 q1
// row3: p1 p0 | q0 q1
load_unaligned_u8_4x4(src - 2, stride, (uint32x2_t *)&p1p0,
(uint32x2_t *)&q0q1);
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_unaligned_u8_4x1(src - 2, p1p0, 0);
store_unaligned_u8_4x1((src - 2) + 1 * stride, q0q1, 0);
store_unaligned_u8_4x1((src - 2) + 2 * stride, p1p0, 1);
store_unaligned_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);
}