ref: 67ac68e399f892e50455281215f28c042422f38e
dir: /vpx_dsp/arm/highbd_vpx_convolve8_neon.c/
/*
* Copyright (c) 2016 The WebM project authors. 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.
*/
#include <arm_neon.h>
#include <assert.h>
#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/arm/transpose_neon.h"
#include "vpx_ports/mem.h"
static INLINE void load_4x4(const int16_t *s, ptrdiff_t p, int16x4_t *s0,
int16x4_t *s1, int16x4_t *s2, int16x4_t *s3) {
*s0 = vld1_s16(s);
s += p;
*s1 = vld1_s16(s);
s += p;
*s2 = vld1_s16(s);
s += p;
*s3 = vld1_s16(s);
}
static INLINE void load_8x4(const uint16_t *s, ptrdiff_t p, uint16x8_t *s0,
uint16x8_t *s1, uint16x8_t *s2, uint16x8_t *s3) {
*s0 = vld1q_u16(s);
s += p;
*s1 = vld1q_u16(s);
s += p;
*s2 = vld1q_u16(s);
s += p;
*s3 = vld1q_u16(s);
}
static INLINE void load_8x8(const int16_t *s, ptrdiff_t p, int16x8_t *s0,
int16x8_t *s1, int16x8_t *s2, int16x8_t *s3,
int16x8_t *s4, int16x8_t *s5, int16x8_t *s6,
int16x8_t *s7) {
*s0 = vld1q_s16(s);
s += p;
*s1 = vld1q_s16(s);
s += p;
*s2 = vld1q_s16(s);
s += p;
*s3 = vld1q_s16(s);
s += p;
*s4 = vld1q_s16(s);
s += p;
*s5 = vld1q_s16(s);
s += p;
*s6 = vld1q_s16(s);
s += p;
*s7 = vld1q_s16(s);
}
static INLINE void store_8x8(uint16_t *s, ptrdiff_t p, const uint16x8_t s0,
const uint16x8_t s1, const uint16x8_t s2,
const uint16x8_t s3, const uint16x8_t s4,
const uint16x8_t s5, const uint16x8_t s6,
const uint16x8_t s7) {
vst1q_u16(s, s0);
s += p;
vst1q_u16(s, s1);
s += p;
vst1q_u16(s, s2);
s += p;
vst1q_u16(s, s3);
s += p;
vst1q_u16(s, s4);
s += p;
vst1q_u16(s, s5);
s += p;
vst1q_u16(s, s6);
s += p;
vst1q_u16(s, s7);
}
static INLINE int32x4_t convolve8_4(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 filters) {
const int16x4_t filters_lo = vget_low_s16(filters);
const int16x4_t filters_hi = vget_high_s16(filters);
int32x4_t sum = vdupq_n_s32(0);
sum = vmlal_lane_s16(sum, s0, filters_lo, 0);
sum = vmlal_lane_s16(sum, s1, filters_lo, 1);
sum = vmlal_lane_s16(sum, s2, filters_lo, 2);
sum = vmlal_lane_s16(sum, s3, filters_lo, 3);
sum = vmlal_lane_s16(sum, s4, filters_hi, 0);
sum = vmlal_lane_s16(sum, s5, filters_hi, 1);
sum = vmlal_lane_s16(sum, s6, filters_hi, 2);
sum = vmlal_lane_s16(sum, s7, filters_hi, 3);
return sum;
}
static INLINE uint16x8_t convolve8_8(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 filters,
const uint16x8_t max) {
const int16x4_t filters_lo = vget_low_s16(filters);
const int16x4_t filters_hi = vget_high_s16(filters);
int32x4_t sum0 = vdupq_n_s32(0);
int32x4_t sum1 = vdupq_n_s32(0);
uint16x8_t d;
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s0), filters_lo, 0);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), filters_lo, 1);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), filters_lo, 2);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), filters_lo, 3);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), filters_hi, 0);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), filters_hi, 1);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), filters_hi, 2);
sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), filters_hi, 3);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s0), filters_lo, 0);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), filters_lo, 1);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), filters_lo, 2);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), filters_lo, 3);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), filters_hi, 0);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), filters_hi, 1);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s6), filters_hi, 2);
sum1 = vmlal_lane_s16(sum1, vget_high_s16(s7), filters_hi, 3);
d = vcombine_u16(vqrshrun_n_s32(sum0, 7), vqrshrun_n_s32(sum1, 7));
d = vminq_u16(d, max);
return d;
}
void vpx_highbd_convolve8_horiz_neon(const uint16_t *src, ptrdiff_t src_stride,
uint16_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, int x_step_q4,
const int16_t *filter_y, // unused
int y_step_q4, // unused
int w, int h, int bd) {
if (x_step_q4 != 16) {
vpx_highbd_convolve8_horiz_c(src, src_stride, dst, dst_stride, filter_x,
x_step_q4, filter_y, y_step_q4, w, h, bd);
} else {
const int16x8_t filters = vld1q_s16(filter_x);
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
uint16x8_t t0, t1, t2, t3;
assert(!((intptr_t)dst & 3));
assert(!(dst_stride & 3));
src -= 3;
if (h == 4) {
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
int32x4_t d0, d1, d2, d3;
uint16x8_t d01, d23;
__builtin_prefetch(src + 0 * src_stride);
__builtin_prefetch(src + 1 * src_stride);
__builtin_prefetch(src + 2 * src_stride);
__builtin_prefetch(src + 3 * src_stride);
load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u16_8x4(&t0, &t1, &t2, &t3);
s0 = vreinterpret_s16_u16(vget_low_u16(t0));
s1 = vreinterpret_s16_u16(vget_low_u16(t1));
s2 = vreinterpret_s16_u16(vget_low_u16(t2));
s3 = vreinterpret_s16_u16(vget_low_u16(t3));
s4 = vreinterpret_s16_u16(vget_high_u16(t0));
s5 = vreinterpret_s16_u16(vget_high_u16(t1));
s6 = vreinterpret_s16_u16(vget_high_u16(t2));
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
src += 7;
do {
load_4x4((const int16_t *)src, src_stride, &s7, &s8, &s9, &s10);
transpose_s16_4x4d(&s7, &s8, &s9, &s10);
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filters);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filters);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filters);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filters);
d01 = vcombine_u16(vqrshrun_n_s32(d0, 7), vqrshrun_n_s32(d1, 7));
d23 = vcombine_u16(vqrshrun_n_s32(d2, 7), vqrshrun_n_s32(d3, 7));
d01 = vminq_u16(d01, max);
d23 = vminq_u16(d23, max);
transpose_u16_4x4q(&d01, &d23);
vst1_u16(dst + 0 * dst_stride, vget_low_u16(d01));
vst1_u16(dst + 1 * dst_stride, vget_low_u16(d23));
vst1_u16(dst + 2 * dst_stride, vget_high_u16(d01));
vst1_u16(dst + 3 * dst_stride, vget_high_u16(d23));
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
src += 4;
dst += 4;
w -= 4;
} while (w > 0);
} else {
int16x8_t t4, t5, t6, t7;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
uint16x8_t d0, d1, d2, d3;
if (w == 4) {
do {
load_8x8((const int16_t *)src, src_stride, &s0, &s1, &s2, &s3, &s4,
&s5, &s6, &s7);
transpose_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
load_8x8((const int16_t *)(src + 7), src_stride, &s7, &s8, &s9, &s10,
&t4, &t5, &t6, &t7);
src += 8 * src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(dst + 4 * dst_stride);
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
transpose_s16_8x8(&s7, &s8, &s9, &s10, &t4, &t5, &t6, &t7);
__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);
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
transpose_u16_8x4(&d0, &d1, &d2, &d3);
vst1_u16(dst, vget_low_u16(d0));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d1));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d2));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d3));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d0));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d1));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d2));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d3));
dst += dst_stride;
h -= 8;
} while (h > 0);
} else {
int width;
const uint16_t *s;
uint16_t *d;
int16x8_t s11, s12, s13, s14;
uint16x8_t d4, d5, d6, d7;
do {
__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_8x8((const int16_t *)src, src_stride, &s0, &s1, &s2, &s3, &s4,
&s5, &s6, &s7);
transpose_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
width = w;
s = src + 7;
d = dst;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(dst + 4 * dst_stride);
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
do {
load_8x8((const int16_t *)s, src_stride, &s7, &s8, &s9, &s10, &s11,
&s12, &s13, &s14);
transpose_s16_8x8(&s7, &s8, &s9, &s10, &s11, &s12, &s13, &s14);
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
d4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, max);
d5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, max);
d6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, max);
d7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters, max);
transpose_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7);
store_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7);
s0 = s8;
s1 = s9;
s2 = s10;
s3 = s11;
s4 = s12;
s5 = s13;
s6 = s14;
s += 8;
d += 8;
width -= 8;
} while (width > 0);
src += 8 * src_stride;
dst += 8 * dst_stride;
h -= 8;
} while (h > 0);
}
}
}
}
void vpx_highbd_convolve8_avg_horiz_neon(const uint16_t *src,
ptrdiff_t src_stride, uint16_t *dst,
ptrdiff_t dst_stride,
const int16_t *filter_x, int x_step_q4,
const int16_t *filter_y, // unused
int y_step_q4, // unused
int w, int h, int bd) {
if (x_step_q4 != 16) {
vpx_highbd_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride, filter_x,
x_step_q4, filter_y, y_step_q4, w, h, bd);
} else {
const int16x8_t filters = vld1q_s16(filter_x);
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
uint16x8_t t0, t1, t2, t3;
assert(!((intptr_t)dst & 3));
assert(!(dst_stride & 3));
src -= 3;
if (h == 4) {
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
int32x4_t d0, d1, d2, d3;
uint16x8_t d01, d23, t01, t23;
__builtin_prefetch(src + 0 * src_stride);
__builtin_prefetch(src + 1 * src_stride);
__builtin_prefetch(src + 2 * src_stride);
__builtin_prefetch(src + 3 * src_stride);
load_8x4(src, src_stride, &t0, &t1, &t2, &t3);
transpose_u16_8x4(&t0, &t1, &t2, &t3);
s0 = vreinterpret_s16_u16(vget_low_u16(t0));
s1 = vreinterpret_s16_u16(vget_low_u16(t1));
s2 = vreinterpret_s16_u16(vget_low_u16(t2));
s3 = vreinterpret_s16_u16(vget_low_u16(t3));
s4 = vreinterpret_s16_u16(vget_high_u16(t0));
s5 = vreinterpret_s16_u16(vget_high_u16(t1));
s6 = vreinterpret_s16_u16(vget_high_u16(t2));
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
src += 7;
do {
load_4x4((const int16_t *)src, src_stride, &s7, &s8, &s9, &s10);
transpose_s16_4x4d(&s7, &s8, &s9, &s10);
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filters);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filters);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filters);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filters);
t01 = vcombine_u16(vqrshrun_n_s32(d0, 7), vqrshrun_n_s32(d1, 7));
t23 = vcombine_u16(vqrshrun_n_s32(d2, 7), vqrshrun_n_s32(d3, 7));
t01 = vminq_u16(t01, max);
t23 = vminq_u16(t23, max);
transpose_u16_4x4q(&t01, &t23);
d01 = vcombine_u16(vld1_u16(dst + 0 * dst_stride),
vld1_u16(dst + 2 * dst_stride));
d23 = vcombine_u16(vld1_u16(dst + 1 * dst_stride),
vld1_u16(dst + 3 * dst_stride));
d01 = vrhaddq_u16(d01, t01);
d23 = vrhaddq_u16(d23, t23);
vst1_u16(dst + 0 * dst_stride, vget_low_u16(d01));
vst1_u16(dst + 1 * dst_stride, vget_low_u16(d23));
vst1_u16(dst + 2 * dst_stride, vget_high_u16(d01));
vst1_u16(dst + 3 * dst_stride, vget_high_u16(d23));
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
src += 4;
dst += 4;
w -= 4;
} while (w > 0);
} else {
int16x8_t t4, t5, t6, t7;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
uint16x8_t d0, d1, d2, d3, t0, t1, t2, t3;
if (w == 4) {
do {
load_8x8((const int16_t *)src, src_stride, &s0, &s1, &s2, &s3, &s4,
&s5, &s6, &s7);
transpose_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
load_8x8((const int16_t *)(src + 7), src_stride, &s7, &s8, &s9, &s10,
&t4, &t5, &t6, &t7);
src += 8 * src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(dst + 4 * dst_stride);
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
transpose_s16_8x8(&s7, &s8, &s9, &s10, &t4, &t5, &t6, &t7);
__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);
t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
transpose_u16_8x4(&t0, &t1, &t2, &t3);
d0 = vcombine_u16(vld1_u16(dst + 0 * dst_stride),
vld1_u16(dst + 4 * dst_stride));
d1 = vcombine_u16(vld1_u16(dst + 1 * dst_stride),
vld1_u16(dst + 5 * dst_stride));
d2 = vcombine_u16(vld1_u16(dst + 2 * dst_stride),
vld1_u16(dst + 6 * dst_stride));
d3 = vcombine_u16(vld1_u16(dst + 3 * dst_stride),
vld1_u16(dst + 7 * dst_stride));
d0 = vrhaddq_u16(d0, t0);
d1 = vrhaddq_u16(d1, t1);
d2 = vrhaddq_u16(d2, t2);
d3 = vrhaddq_u16(d3, t3);
vst1_u16(dst, vget_low_u16(d0));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d1));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d2));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d3));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d0));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d1));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d2));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d3));
dst += dst_stride;
h -= 8;
} while (h > 0);
} else {
int width;
const uint16_t *s;
uint16_t *d;
int16x8_t s11, s12, s13, s14;
uint16x8_t d4, d5, d6, d7;
do {
__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_8x8((const int16_t *)src, src_stride, &s0, &s1, &s2, &s3, &s4,
&s5, &s6, &s7);
transpose_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
width = w;
s = src + 7;
d = dst;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(dst + 4 * dst_stride);
__builtin_prefetch(dst + 5 * dst_stride);
__builtin_prefetch(dst + 6 * dst_stride);
__builtin_prefetch(dst + 7 * dst_stride);
do {
load_8x8((const int16_t *)s, src_stride, &s7, &s8, &s9, &s10, &s11,
&s12, &s13, &s14);
transpose_s16_8x8(&s7, &s8, &s9, &s10, &s11, &s12, &s13, &s14);
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
d4 = convolve8_8(s4, s5, s6, s7, s8, s9, s10, s11, filters, max);
d5 = convolve8_8(s5, s6, s7, s8, s9, s10, s11, s12, filters, max);
d6 = convolve8_8(s6, s7, s8, s9, s10, s11, s12, s13, filters, max);
d7 = convolve8_8(s7, s8, s9, s10, s11, s12, s13, s14, filters, max);
transpose_u16_8x8(&d0, &d1, &d2, &d3, &d4, &d5, &d6, &d7);
d0 = vrhaddq_u16(d0, vld1q_u16(d + 0 * dst_stride));
d1 = vrhaddq_u16(d1, vld1q_u16(d + 1 * dst_stride));
d2 = vrhaddq_u16(d2, vld1q_u16(d + 2 * dst_stride));
d3 = vrhaddq_u16(d3, vld1q_u16(d + 3 * dst_stride));
d4 = vrhaddq_u16(d4, vld1q_u16(d + 4 * dst_stride));
d5 = vrhaddq_u16(d5, vld1q_u16(d + 5 * dst_stride));
d6 = vrhaddq_u16(d6, vld1q_u16(d + 6 * dst_stride));
d7 = vrhaddq_u16(d7, vld1q_u16(d + 7 * dst_stride));
store_8x8(d, dst_stride, d0, d1, d2, d3, d4, d5, d6, d7);
s0 = s8;
s1 = s9;
s2 = s10;
s3 = s11;
s4 = s12;
s5 = s13;
s6 = s14;
s += 8;
d += 8;
width -= 8;
} while (width > 0);
src += 8 * src_stride;
dst += 8 * dst_stride;
h -= 8;
} while (h > 0);
}
}
}
}
void vpx_highbd_convolve8_vert_neon(const uint16_t *src, ptrdiff_t src_stride,
uint16_t *dst, ptrdiff_t dst_stride,
const int16_t *filter_x, // unused
int x_step_q4, // unused
const int16_t *filter_y, int y_step_q4,
int w, int h, int bd) {
if (y_step_q4 != 16) {
vpx_highbd_convolve8_vert_c(src, src_stride, dst, dst_stride, filter_x,
x_step_q4, filter_y, y_step_q4, w, h, bd);
} else {
const int16x8_t filters = vld1q_s16(filter_y);
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
assert(!((intptr_t)dst & 3));
assert(!(dst_stride & 3));
src -= 3 * src_stride;
if (w == 4) {
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
int32x4_t d0, d1, d2, d3;
uint16x8_t d01, d23;
s0 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s1 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s2 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s3 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s4 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s5 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s6 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
do {
s7 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s8 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s9 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s10 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(src + 0 * src_stride);
__builtin_prefetch(src + 1 * src_stride);
__builtin_prefetch(src + 2 * src_stride);
__builtin_prefetch(src + 3 * src_stride);
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filters);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filters);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filters);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filters);
d01 = vcombine_u16(vqrshrun_n_s32(d0, 7), vqrshrun_n_s32(d1, 7));
d23 = vcombine_u16(vqrshrun_n_s32(d2, 7), vqrshrun_n_s32(d3, 7));
d01 = vminq_u16(d01, max);
d23 = vminq_u16(d23, max);
vst1_u16(dst, vget_low_u16(d01));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d01));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d23));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d23));
dst += dst_stride;
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
h -= 4;
} while (h > 0);
} else {
int height;
const uint16_t *s;
uint16_t *d;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
uint16x8_t d0, d1, d2, d3;
do {
__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);
s = src;
s0 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s1 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s2 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s3 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s4 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s5 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s6 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
d = dst;
height = h;
do {
s7 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s8 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s9 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s10 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
__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(s + 0 * src_stride);
__builtin_prefetch(s + 1 * src_stride);
__builtin_prefetch(s + 2 * src_stride);
__builtin_prefetch(s + 3 * src_stride);
d0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
d1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
d2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
d3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
vst1q_u16(d, d0);
d += dst_stride;
vst1q_u16(d, d1);
d += dst_stride;
vst1q_u16(d, d2);
d += dst_stride;
vst1q_u16(d, d3);
d += dst_stride;
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
height -= 4;
} while (height > 0);
src += 8;
dst += 8;
w -= 8;
} while (w > 0);
}
}
}
void vpx_highbd_convolve8_avg_vert_neon(const uint16_t *src,
ptrdiff_t src_stride, uint16_t *dst,
ptrdiff_t dst_stride,
const int16_t *filter_x, // unused
int x_step_q4, // unused
const int16_t *filter_y, int y_step_q4,
int w, int h, int bd) {
if (y_step_q4 != 16) {
vpx_highbd_convolve8_avg_vert_c(src, src_stride, dst, dst_stride, filter_x,
x_step_q4, filter_y, y_step_q4, w, h, bd);
} else {
const int16x8_t filters = vld1q_s16(filter_y);
const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
assert(!((intptr_t)dst & 3));
assert(!(dst_stride & 3));
src -= 3 * src_stride;
if (w == 4) {
int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
int32x4_t d0, d1, d2, d3;
uint16x8_t d01, d23, t01, t23;
s0 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s1 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s2 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s3 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s4 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s5 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s6 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
do {
s7 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s8 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s9 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
s10 = vreinterpret_s16_u16(vld1_u16(src));
src += src_stride;
__builtin_prefetch(dst + 0 * dst_stride);
__builtin_prefetch(dst + 1 * dst_stride);
__builtin_prefetch(dst + 2 * dst_stride);
__builtin_prefetch(dst + 3 * dst_stride);
__builtin_prefetch(src + 0 * src_stride);
__builtin_prefetch(src + 1 * src_stride);
__builtin_prefetch(src + 2 * src_stride);
__builtin_prefetch(src + 3 * src_stride);
d0 = convolve8_4(s0, s1, s2, s3, s4, s5, s6, s7, filters);
d1 = convolve8_4(s1, s2, s3, s4, s5, s6, s7, s8, filters);
d2 = convolve8_4(s2, s3, s4, s5, s6, s7, s8, s9, filters);
d3 = convolve8_4(s3, s4, s5, s6, s7, s8, s9, s10, filters);
t01 = vcombine_u16(vqrshrun_n_s32(d0, 7), vqrshrun_n_s32(d1, 7));
t23 = vcombine_u16(vqrshrun_n_s32(d2, 7), vqrshrun_n_s32(d3, 7));
t01 = vminq_u16(t01, max);
t23 = vminq_u16(t23, max);
d01 = vcombine_u16(vld1_u16(dst + 0 * dst_stride),
vld1_u16(dst + 1 * dst_stride));
d23 = vcombine_u16(vld1_u16(dst + 2 * dst_stride),
vld1_u16(dst + 3 * dst_stride));
d01 = vrhaddq_u16(d01, t01);
d23 = vrhaddq_u16(d23, t23);
vst1_u16(dst, vget_low_u16(d01));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d01));
dst += dst_stride;
vst1_u16(dst, vget_low_u16(d23));
dst += dst_stride;
vst1_u16(dst, vget_high_u16(d23));
dst += dst_stride;
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
h -= 4;
} while (h > 0);
} else {
int height;
const uint16_t *s;
uint16_t *d;
int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
uint16x8_t d0, d1, d2, d3, t0, t1, t2, t3;
do {
__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);
s = src;
s0 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s1 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s2 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s3 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s4 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s5 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s6 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
d = dst;
height = h;
do {
s7 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s8 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s9 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
s10 = vreinterpretq_s16_u16(vld1q_u16(s));
s += src_stride;
__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(s + 0 * src_stride);
__builtin_prefetch(s + 1 * src_stride);
__builtin_prefetch(s + 2 * src_stride);
__builtin_prefetch(s + 3 * src_stride);
t0 = convolve8_8(s0, s1, s2, s3, s4, s5, s6, s7, filters, max);
t1 = convolve8_8(s1, s2, s3, s4, s5, s6, s7, s8, filters, max);
t2 = convolve8_8(s2, s3, s4, s5, s6, s7, s8, s9, filters, max);
t3 = convolve8_8(s3, s4, s5, s6, s7, s8, s9, s10, filters, max);
d0 = vld1q_u16(d + 0 * dst_stride);
d1 = vld1q_u16(d + 1 * dst_stride);
d2 = vld1q_u16(d + 2 * dst_stride);
d3 = vld1q_u16(d + 3 * dst_stride);
d0 = vrhaddq_u16(d0, t0);
d1 = vrhaddq_u16(d1, t1);
d2 = vrhaddq_u16(d2, t2);
d3 = vrhaddq_u16(d3, t3);
vst1q_u16(d, d0);
d += dst_stride;
vst1q_u16(d, d1);
d += dst_stride;
vst1q_u16(d, d2);
d += dst_stride;
vst1q_u16(d, d3);
d += dst_stride;
s0 = s4;
s1 = s5;
s2 = s6;
s3 = s7;
s4 = s8;
s5 = s9;
s6 = s10;
height -= 4;
} while (height > 0);
src += 8;
dst += 8;
w -= 8;
} while (w > 0);
}
}
}