blob: 5ba7f1098d77b2c8e923ed83aa30b5264d9c65a5 [file] [log] [blame]
/*
* Copyright (c) 2016, 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_config.h"
#include "config/aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
#include "aom_dsp/arm/sum_neon.h"
#if defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sadwxh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int w, int h) {
// Only two accumulators are required for optimal instruction throughput of
// the ABD, UDOT sequence on CPUs with either 2 or 4 Neon pipes.
uint32x4_t sum[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
int i = h;
do {
int j = 0;
do {
uint8x16_t s0, s1, r0, r1, diff0, diff1;
s0 = vld1q_u8(src_ptr + j);
r0 = vld1q_u8(ref_ptr + j);
diff0 = vabdq_u8(s0, r0);
sum[0] = vdotq_u32(sum[0], diff0, vdupq_n_u8(1));
s1 = vld1q_u8(src_ptr + j + 16);
r1 = vld1q_u8(ref_ptr + j + 16);
diff1 = vabdq_u8(s1, r1);
sum[1] = vdotq_u32(sum[1], diff1, vdupq_n_u8(1));
j += 32;
} while (j < w);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[1]));
}
static INLINE unsigned int sad128xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
return sadwxh_neon(src_ptr, src_stride, ref_ptr, ref_stride, 128, h);
}
static INLINE unsigned int sad64xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
return sadwxh_neon(src_ptr, src_stride, ref_ptr, ref_stride, 64, h);
}
static INLINE unsigned int sad32xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
return sadwxh_neon(src_ptr, src_stride, ref_ptr, ref_stride, 32, h);
}
static INLINE unsigned int sad16xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint32x4_t sum[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
int i = h / 2;
do {
uint8x16_t s0, s1, r0, r1, diff0, diff1;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
diff0 = vabdq_u8(s0, r0);
sum[0] = vdotq_u32(sum[0], diff0, vdupq_n_u8(1));
src_ptr += src_stride;
ref_ptr += ref_stride;
s1 = vld1q_u8(src_ptr);
r1 = vld1q_u8(ref_ptr);
diff1 = vabdq_u8(s1, r1);
sum[1] = vdotq_u32(sum[1], diff1, vdupq_n_u8(1));
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[1]));
}
#else // !defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sad128xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
// We use 8 accumulators to prevent overflow for large values of 'h', as well
// as enabling optimal UADALP instruction throughput on CPUs that have either
// 2 or 4 Neon pipes.
uint16x8_t sum[8] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0), vdupq_n_u16(0) };
int i = h;
do {
uint8x16_t s0, s1, s2, s3, s4, s5, s6, s7;
uint8x16_t r0, r1, r2, r3, r4, r5, r6, r7;
uint8x16_t diff0, diff1, diff2, diff3, diff4, diff5, diff6, diff7;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
diff0 = vabdq_u8(s0, r0);
sum[0] = vpadalq_u8(sum[0], diff0);
s1 = vld1q_u8(src_ptr + 16);
r1 = vld1q_u8(ref_ptr + 16);
diff1 = vabdq_u8(s1, r1);
sum[1] = vpadalq_u8(sum[1], diff1);
s2 = vld1q_u8(src_ptr + 32);
r2 = vld1q_u8(ref_ptr + 32);
diff2 = vabdq_u8(s2, r2);
sum[2] = vpadalq_u8(sum[2], diff2);
s3 = vld1q_u8(src_ptr + 48);
r3 = vld1q_u8(ref_ptr + 48);
diff3 = vabdq_u8(s3, r3);
sum[3] = vpadalq_u8(sum[3], diff3);
s4 = vld1q_u8(src_ptr + 64);
r4 = vld1q_u8(ref_ptr + 64);
diff4 = vabdq_u8(s4, r4);
sum[4] = vpadalq_u8(sum[4], diff4);
s5 = vld1q_u8(src_ptr + 80);
r5 = vld1q_u8(ref_ptr + 80);
diff5 = vabdq_u8(s5, r5);
sum[5] = vpadalq_u8(sum[5], diff5);
s6 = vld1q_u8(src_ptr + 96);
r6 = vld1q_u8(ref_ptr + 96);
diff6 = vabdq_u8(s6, r6);
sum[6] = vpadalq_u8(sum[6], diff6);
s7 = vld1q_u8(src_ptr + 112);
r7 = vld1q_u8(ref_ptr + 112);
diff7 = vabdq_u8(s7, r7);
sum[7] = vpadalq_u8(sum[7], diff7);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
uint32x4_t sum_u32 = vpaddlq_u16(sum[0]);
sum_u32 = vpadalq_u16(sum_u32, sum[1]);
sum_u32 = vpadalq_u16(sum_u32, sum[2]);
sum_u32 = vpadalq_u16(sum_u32, sum[3]);
sum_u32 = vpadalq_u16(sum_u32, sum[4]);
sum_u32 = vpadalq_u16(sum_u32, sum[5]);
sum_u32 = vpadalq_u16(sum_u32, sum[6]);
sum_u32 = vpadalq_u16(sum_u32, sum[7]);
return horizontal_add_u32x4(sum_u32);
}
static INLINE unsigned int sad64xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0) };
int i = h;
do {
uint8x16_t s0, s1, s2, s3, r0, r1, r2, r3;
uint8x16_t diff0, diff1, diff2, diff3;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
diff0 = vabdq_u8(s0, r0);
sum[0] = vpadalq_u8(sum[0], diff0);
s1 = vld1q_u8(src_ptr + 16);
r1 = vld1q_u8(ref_ptr + 16);
diff1 = vabdq_u8(s1, r1);
sum[1] = vpadalq_u8(sum[1], diff1);
s2 = vld1q_u8(src_ptr + 32);
r2 = vld1q_u8(ref_ptr + 32);
diff2 = vabdq_u8(s2, r2);
sum[2] = vpadalq_u8(sum[2], diff2);
s3 = vld1q_u8(src_ptr + 48);
r3 = vld1q_u8(ref_ptr + 48);
diff3 = vabdq_u8(s3, r3);
sum[3] = vpadalq_u8(sum[3], diff3);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
uint32x4_t sum_u32 = vpaddlq_u16(sum[0]);
sum_u32 = vpadalq_u16(sum_u32, sum[1]);
sum_u32 = vpadalq_u16(sum_u32, sum[2]);
sum_u32 = vpadalq_u16(sum_u32, sum[3]);
return horizontal_add_u32x4(sum_u32);
}
static INLINE unsigned int sad32xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint32x4_t sum = vdupq_n_u32(0);
int i = h;
do {
uint8x16_t s0 = vld1q_u8(src_ptr);
uint8x16_t r0 = vld1q_u8(ref_ptr);
uint8x16_t diff0 = vabdq_u8(s0, r0);
uint16x8_t sum0 = vpaddlq_u8(diff0);
uint8x16_t s1 = vld1q_u8(src_ptr + 16);
uint8x16_t r1 = vld1q_u8(ref_ptr + 16);
uint8x16_t diff1 = vabdq_u8(s1, r1);
uint16x8_t sum1 = vpaddlq_u8(diff1);
sum = vpadalq_u16(sum, sum0);
sum = vpadalq_u16(sum, sum1);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u32x4(sum);
}
static INLINE unsigned int sad16xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h;
do {
uint8x16_t s = vld1q_u8(src_ptr);
uint8x16_t r = vld1q_u8(ref_ptr);
uint8x16_t diff = vabdq_u8(s, r);
sum = vpadalq_u8(sum, diff);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
#endif // defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sad8xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h;
do {
uint8x8_t s = vld1_u8(src_ptr);
uint8x8_t r = vld1_u8(ref_ptr);
sum = vabal_u8(sum, s, r);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
static INLINE unsigned int sad4xh_neon(const uint8_t *src_ptr, int src_stride,
const uint8_t *ref_ptr, int ref_stride,
int h) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h / 2;
do {
uint32x2_t s, r;
uint32_t s0, s1, r0, r1;
memcpy(&s0, src_ptr, 4);
memcpy(&r0, ref_ptr, 4);
s = vdup_n_u32(s0);
r = vdup_n_u32(r0);
src_ptr += src_stride;
ref_ptr += ref_stride;
memcpy(&s1, src_ptr, 4);
memcpy(&r1, ref_ptr, 4);
s = vset_lane_u32(s1, s, 1);
r = vset_lane_u32(r1, r, 1);
src_ptr += src_stride;
ref_ptr += ref_stride;
sum = vabal_u8(sum, vreinterpret_u8_u32(s), vreinterpret_u8_u32(r));
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
#define SAD_WXH_NEON(w, h) \
unsigned int aom_sad##w##x##h##_neon(const uint8_t *src, int src_stride, \
const uint8_t *ref, int ref_stride) { \
return sad##w##xh_neon(src, src_stride, ref, ref_stride, (h)); \
}
SAD_WXH_NEON(4, 4)
SAD_WXH_NEON(4, 8)
SAD_WXH_NEON(4, 16)
SAD_WXH_NEON(8, 4)
SAD_WXH_NEON(8, 8)
SAD_WXH_NEON(8, 16)
SAD_WXH_NEON(8, 32)
SAD_WXH_NEON(16, 4)
SAD_WXH_NEON(16, 8)
SAD_WXH_NEON(16, 16)
SAD_WXH_NEON(16, 32)
SAD_WXH_NEON(16, 64)
SAD_WXH_NEON(32, 8)
SAD_WXH_NEON(32, 16)
SAD_WXH_NEON(32, 32)
SAD_WXH_NEON(32, 64)
SAD_WXH_NEON(64, 16)
SAD_WXH_NEON(64, 32)
SAD_WXH_NEON(64, 64)
SAD_WXH_NEON(64, 128)
SAD_WXH_NEON(128, 64)
SAD_WXH_NEON(128, 128)
#undef SAD_WXH_NEON
#define SAD_SKIP_WXH_NEON(w, h) \
unsigned int aom_sad_skip_##w##x##h##_neon( \
const uint8_t *src, int src_stride, const uint8_t *ref, \
int ref_stride) { \
return 2 * \
sad##w##xh_neon(src, 2 * src_stride, ref, 2 * ref_stride, (h) / 2); \
}
SAD_SKIP_WXH_NEON(4, 8)
SAD_SKIP_WXH_NEON(4, 16)
SAD_SKIP_WXH_NEON(8, 8)
SAD_SKIP_WXH_NEON(8, 16)
SAD_SKIP_WXH_NEON(8, 32)
SAD_SKIP_WXH_NEON(16, 8)
SAD_SKIP_WXH_NEON(16, 16)
SAD_SKIP_WXH_NEON(16, 32)
SAD_SKIP_WXH_NEON(16, 64)
SAD_SKIP_WXH_NEON(32, 8)
SAD_SKIP_WXH_NEON(32, 16)
SAD_SKIP_WXH_NEON(32, 32)
SAD_SKIP_WXH_NEON(32, 64)
SAD_SKIP_WXH_NEON(64, 16)
SAD_SKIP_WXH_NEON(64, 32)
SAD_SKIP_WXH_NEON(64, 64)
SAD_SKIP_WXH_NEON(64, 128)
SAD_SKIP_WXH_NEON(128, 64)
SAD_SKIP_WXH_NEON(128, 128)
#undef SAD_SKIP_WXH_NEON
#if defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sadwxh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int w, int h,
const uint8_t *second_pred) {
// Only two accumulators are required for optimal instruction throughput of
// the ABD, UDOT sequence on CPUs with either 2 or 4 Neon pipes.
uint32x4_t sum[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
int i = h;
do {
int j = 0;
do {
uint8x16_t s0, s1, r0, r1, p0, p1, avg0, avg1, diff0, diff1;
s0 = vld1q_u8(src_ptr + j);
r0 = vld1q_u8(ref_ptr + j);
p0 = vld1q_u8(second_pred);
avg0 = vrhaddq_u8(r0, p0);
diff0 = vabdq_u8(s0, avg0);
sum[0] = vdotq_u32(sum[0], diff0, vdupq_n_u8(1));
s1 = vld1q_u8(src_ptr + j + 16);
r1 = vld1q_u8(ref_ptr + j + 16);
p1 = vld1q_u8(second_pred + 16);
avg1 = vrhaddq_u8(r1, p1);
diff1 = vabdq_u8(s1, avg1);
sum[1] = vdotq_u32(sum[1], diff1, vdupq_n_u8(1));
j += 32;
second_pred += 32;
} while (j < w);
src_ptr += src_stride;
ref_ptr += ref_stride;
} while (--i != 0);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[1]));
}
static INLINE unsigned int sad128xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
return sadwxh_avg_neon(src_ptr, src_stride, ref_ptr, ref_stride, 128, h,
second_pred);
}
static INLINE unsigned int sad64xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
return sadwxh_avg_neon(src_ptr, src_stride, ref_ptr, ref_stride, 64, h,
second_pred);
}
static INLINE unsigned int sad32xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
return sadwxh_avg_neon(src_ptr, src_stride, ref_ptr, ref_stride, 32, h,
second_pred);
}
static INLINE unsigned int sad16xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint32x4_t sum[2] = { vdupq_n_u32(0), vdupq_n_u32(0) };
int i = h / 2;
do {
uint8x16_t s0, s1, r0, r1, p0, p1, avg0, avg1, diff0, diff1;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
p0 = vld1q_u8(second_pred);
avg0 = vrhaddq_u8(r0, p0);
diff0 = vabdq_u8(s0, avg0);
sum[0] = vdotq_u32(sum[0], diff0, vdupq_n_u8(1));
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 16;
s1 = vld1q_u8(src_ptr);
r1 = vld1q_u8(ref_ptr);
p1 = vld1q_u8(second_pred);
avg1 = vrhaddq_u8(r1, p1);
diff1 = vabdq_u8(s1, avg1);
sum[1] = vdotq_u32(sum[1], diff1, vdupq_n_u8(1));
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 16;
} while (--i != 0);
return horizontal_add_u32x4(vaddq_u32(sum[0], sum[1]));
}
#else // !defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sad128xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
// We use 8 accumulators to prevent overflow for large values of 'h', as well
// as enabling optimal UADALP instruction throughput on CPUs that have either
// 2 or 4 Neon pipes.
uint16x8_t sum[8] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0), vdupq_n_u16(0) };
int i = h;
do {
uint8x16_t s0, s1, s2, s3, s4, s5, s6, s7;
uint8x16_t r0, r1, r2, r3, r4, r5, r6, r7;
uint8x16_t p0, p1, p2, p3, p4, p5, p6, p7;
uint8x16_t avg0, avg1, avg2, avg3, avg4, avg5, avg6, avg7;
uint8x16_t diff0, diff1, diff2, diff3, diff4, diff5, diff6, diff7;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
p0 = vld1q_u8(second_pred);
avg0 = vrhaddq_u8(r0, p0);
diff0 = vabdq_u8(s0, avg0);
sum[0] = vpadalq_u8(sum[0], diff0);
s1 = vld1q_u8(src_ptr + 16);
r1 = vld1q_u8(ref_ptr + 16);
p1 = vld1q_u8(second_pred + 16);
avg1 = vrhaddq_u8(r1, p1);
diff1 = vabdq_u8(s1, avg1);
sum[1] = vpadalq_u8(sum[1], diff1);
s2 = vld1q_u8(src_ptr + 32);
r2 = vld1q_u8(ref_ptr + 32);
p2 = vld1q_u8(second_pred + 32);
avg2 = vrhaddq_u8(r2, p2);
diff2 = vabdq_u8(s2, avg2);
sum[2] = vpadalq_u8(sum[2], diff2);
s3 = vld1q_u8(src_ptr + 48);
r3 = vld1q_u8(ref_ptr + 48);
p3 = vld1q_u8(second_pred + 48);
avg3 = vrhaddq_u8(r3, p3);
diff3 = vabdq_u8(s3, avg3);
sum[3] = vpadalq_u8(sum[3], diff3);
s4 = vld1q_u8(src_ptr + 64);
r4 = vld1q_u8(ref_ptr + 64);
p4 = vld1q_u8(second_pred + 64);
avg4 = vrhaddq_u8(r4, p4);
diff4 = vabdq_u8(s4, avg4);
sum[4] = vpadalq_u8(sum[4], diff4);
s5 = vld1q_u8(src_ptr + 80);
r5 = vld1q_u8(ref_ptr + 80);
p5 = vld1q_u8(second_pred + 80);
avg5 = vrhaddq_u8(r5, p5);
diff5 = vabdq_u8(s5, avg5);
sum[5] = vpadalq_u8(sum[5], diff5);
s6 = vld1q_u8(src_ptr + 96);
r6 = vld1q_u8(ref_ptr + 96);
p6 = vld1q_u8(second_pred + 96);
avg6 = vrhaddq_u8(r6, p6);
diff6 = vabdq_u8(s6, avg6);
sum[6] = vpadalq_u8(sum[6], diff6);
s7 = vld1q_u8(src_ptr + 112);
r7 = vld1q_u8(ref_ptr + 112);
p7 = vld1q_u8(second_pred + 112);
avg7 = vrhaddq_u8(r7, p7);
diff7 = vabdq_u8(s7, avg7);
sum[7] = vpadalq_u8(sum[7], diff7);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 128;
} while (--i != 0);
uint32x4_t sum_u32 = vpaddlq_u16(sum[0]);
sum_u32 = vpadalq_u16(sum_u32, sum[1]);
sum_u32 = vpadalq_u16(sum_u32, sum[2]);
sum_u32 = vpadalq_u16(sum_u32, sum[3]);
sum_u32 = vpadalq_u16(sum_u32, sum[4]);
sum_u32 = vpadalq_u16(sum_u32, sum[5]);
sum_u32 = vpadalq_u16(sum_u32, sum[6]);
sum_u32 = vpadalq_u16(sum_u32, sum[7]);
return horizontal_add_u32x4(sum_u32);
}
static INLINE unsigned int sad64xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
vdupq_n_u16(0) };
int i = h;
do {
uint8x16_t s0, s1, s2, s3, r0, r1, r2, r3, p0, p1, p2, p3;
uint8x16_t avg0, avg1, avg2, avg3, diff0, diff1, diff2, diff3;
s0 = vld1q_u8(src_ptr);
r0 = vld1q_u8(ref_ptr);
p0 = vld1q_u8(second_pred);
avg0 = vrhaddq_u8(r0, p0);
diff0 = vabdq_u8(s0, avg0);
sum[0] = vpadalq_u8(sum[0], diff0);
s1 = vld1q_u8(src_ptr + 16);
r1 = vld1q_u8(ref_ptr + 16);
p1 = vld1q_u8(second_pred + 16);
avg1 = vrhaddq_u8(r1, p1);
diff1 = vabdq_u8(s1, avg1);
sum[1] = vpadalq_u8(sum[1], diff1);
s2 = vld1q_u8(src_ptr + 32);
r2 = vld1q_u8(ref_ptr + 32);
p2 = vld1q_u8(second_pred + 32);
avg2 = vrhaddq_u8(r2, p2);
diff2 = vabdq_u8(s2, avg2);
sum[2] = vpadalq_u8(sum[2], diff2);
s3 = vld1q_u8(src_ptr + 48);
r3 = vld1q_u8(ref_ptr + 48);
p3 = vld1q_u8(second_pred + 48);
avg3 = vrhaddq_u8(r3, p3);
diff3 = vabdq_u8(s3, avg3);
sum[3] = vpadalq_u8(sum[3], diff3);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 64;
} while (--i != 0);
uint32x4_t sum_u32 = vpaddlq_u16(sum[0]);
sum_u32 = vpadalq_u16(sum_u32, sum[1]);
sum_u32 = vpadalq_u16(sum_u32, sum[2]);
sum_u32 = vpadalq_u16(sum_u32, sum[3]);
return horizontal_add_u32x4(sum_u32);
}
static INLINE unsigned int sad32xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint32x4_t sum = vdupq_n_u32(0);
int i = h;
do {
uint8x16_t s0 = vld1q_u8(src_ptr);
uint8x16_t r0 = vld1q_u8(ref_ptr);
uint8x16_t p0 = vld1q_u8(second_pred);
uint8x16_t avg0 = vrhaddq_u8(r0, p0);
uint8x16_t diff0 = vabdq_u8(s0, avg0);
uint16x8_t sum0 = vpaddlq_u8(diff0);
uint8x16_t s1 = vld1q_u8(src_ptr + 16);
uint8x16_t r1 = vld1q_u8(ref_ptr + 16);
uint8x16_t p1 = vld1q_u8(second_pred + 16);
uint8x16_t avg1 = vrhaddq_u8(r1, p1);
uint8x16_t diff1 = vabdq_u8(s1, avg1);
uint16x8_t sum1 = vpaddlq_u8(diff1);
sum = vpadalq_u16(sum, sum0);
sum = vpadalq_u16(sum, sum1);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 32;
} while (--i != 0);
return horizontal_add_u32x4(sum);
}
static INLINE unsigned int sad16xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h;
do {
uint8x16_t s = vld1q_u8(src_ptr);
uint8x16_t r = vld1q_u8(ref_ptr);
uint8x16_t p = vld1q_u8(second_pred);
uint8x16_t avg = vrhaddq_u8(r, p);
uint8x16_t diff = vabdq_u8(s, avg);
sum = vpadalq_u8(sum, diff);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 16;
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
#endif // defined(__ARM_FEATURE_DOTPROD)
static INLINE unsigned int sad8xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h;
do {
uint8x8_t s = vld1_u8(src_ptr);
uint8x8_t r = vld1_u8(ref_ptr);
uint8x8_t p = vld1_u8(second_pred);
uint8x8_t avg = vrhadd_u8(r, p);
sum = vabal_u8(sum, s, avg);
src_ptr += src_stride;
ref_ptr += ref_stride;
second_pred += 8;
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
static INLINE unsigned int sad4xh_avg_neon(const uint8_t *src_ptr,
int src_stride,
const uint8_t *ref_ptr,
int ref_stride, int h,
const uint8_t *second_pred) {
uint16x8_t sum = vdupq_n_u16(0);
int i = h / 2;
do {
uint32x2_t s, r;
uint32_t s0, s1, r0, r1;
uint8x8_t p, avg;
memcpy(&s0, src_ptr, 4);
memcpy(&r0, ref_ptr, 4);
s = vdup_n_u32(s0);
r = vdup_n_u32(r0);
src_ptr += src_stride;
ref_ptr += ref_stride;
memcpy(&s1, src_ptr, 4);
memcpy(&r1, ref_ptr, 4);
s = vset_lane_u32(s1, s, 1);
r = vset_lane_u32(r1, r, 1);
src_ptr += src_stride;
ref_ptr += ref_stride;
p = vld1_u8(second_pred);
avg = vrhadd_u8(vreinterpret_u8_u32(r), p);
sum = vabal_u8(sum, vreinterpret_u8_u32(s), avg);
second_pred += 8;
} while (--i != 0);
return horizontal_add_u16x8(sum);
}
#define SAD_WXH_AVG_NEON(w, h) \
unsigned int aom_sad##w##x##h##_avg_neon(const uint8_t *src, int src_stride, \
const uint8_t *ref, int ref_stride, \
const uint8_t *second_pred) { \
return sad##w##xh_avg_neon(src, src_stride, ref, ref_stride, (h), \
second_pred); \
}
SAD_WXH_AVG_NEON(4, 4)
SAD_WXH_AVG_NEON(4, 8)
SAD_WXH_AVG_NEON(4, 16)
SAD_WXH_AVG_NEON(8, 4)
SAD_WXH_AVG_NEON(8, 8)
SAD_WXH_AVG_NEON(8, 16)
SAD_WXH_AVG_NEON(8, 32)
SAD_WXH_AVG_NEON(16, 4)
SAD_WXH_AVG_NEON(16, 8)
SAD_WXH_AVG_NEON(16, 16)
SAD_WXH_AVG_NEON(16, 32)
SAD_WXH_AVG_NEON(16, 64)
SAD_WXH_AVG_NEON(32, 8)
SAD_WXH_AVG_NEON(32, 16)
SAD_WXH_AVG_NEON(32, 32)
SAD_WXH_AVG_NEON(32, 64)
SAD_WXH_AVG_NEON(64, 16)
SAD_WXH_AVG_NEON(64, 32)
SAD_WXH_AVG_NEON(64, 64)
SAD_WXH_AVG_NEON(64, 128)
SAD_WXH_AVG_NEON(128, 64)
SAD_WXH_AVG_NEON(128, 128)
#undef SAD_WXH_AVG_NEON