ref: 7987686397b8dc497d00468b13d030af8a915b8c
dir: /vp8/common/arm/neon/sixtappredict_neon.c/
/*
* Copyright (c) 2014 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 "vpx_ports/mem.h"
static const int8_t vp8_sub_pel_filters[8][8] = {
{ 0, 0, 128, 0, 0, 0, 0, 0 }, /* note that 1/8 pel positionyys are */
{ 0, -6, 123, 12, -1, 0, 0, 0 }, /* just as per alpha -0.5 bicubic */
{ 2, -11, 108, 36, -8, 1, 0, 0 }, /* New 1/4 pel 6 tap filter */
{ 0, -9, 93, 50, -6, 0, 0, 0 },
{ 3, -16, 77, 77, -16, 3, 0, 0 }, /* New 1/2 pel 6 tap filter */
{ 0, -6, 50, 93, -9, 0, 0, 0 },
{ 1, -8, 36, 108, -11, 2, 0, 0 }, /* New 1/4 pel 6 tap filter */
{ 0, -1, 12, 123, -6, 0, 0, 0 },
};
void vp8_sixtap_predict8x4_neon(unsigned char *src_ptr, int src_pixels_per_line,
int xoffset, int yoffset,
unsigned char *dst_ptr, int dst_pitch) {
unsigned char *src;
uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8, d8u8, d9u8;
uint8x8_t d22u8, d23u8, d24u8, d25u8, d26u8;
uint8x8_t d27u8, d28u8, d29u8, d30u8, d31u8;
int8x8_t dtmps8, d0s8, d1s8, d2s8, d3s8, d4s8, d5s8;
uint16x8_t q3u16, q4u16, q5u16, q6u16, q7u16;
uint16x8_t q8u16, q9u16, q10u16, q11u16, q12u16;
int16x8_t q3s16, q4s16, q5s16, q6s16, q7s16;
int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16;
uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8;
if (xoffset == 0) { // secondpass_filter8x4_only
// load second_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// load src data
src = src_ptr - src_pixels_per_line * 2;
d22u8 = vld1_u8(src);
src += src_pixels_per_line;
d23u8 = vld1_u8(src);
src += src_pixels_per_line;
d24u8 = vld1_u8(src);
src += src_pixels_per_line;
d25u8 = vld1_u8(src);
src += src_pixels_per_line;
d26u8 = vld1_u8(src);
src += src_pixels_per_line;
d27u8 = vld1_u8(src);
src += src_pixels_per_line;
d28u8 = vld1_u8(src);
src += src_pixels_per_line;
d29u8 = vld1_u8(src);
src += src_pixels_per_line;
d30u8 = vld1_u8(src);
q3u16 = vmull_u8(d22u8, d0u8);
q4u16 = vmull_u8(d23u8, d0u8);
q5u16 = vmull_u8(d24u8, d0u8);
q6u16 = vmull_u8(d25u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d23u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d24u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d25u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d26u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d26u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d27u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d28u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d29u8, d4u8);
q3u16 = vmlal_u8(q3u16, d24u8, d2u8);
q4u16 = vmlal_u8(q4u16, d25u8, d2u8);
q5u16 = vmlal_u8(q5u16, d26u8, d2u8);
q6u16 = vmlal_u8(q6u16, d27u8, d2u8);
q3u16 = vmlal_u8(q3u16, d27u8, d5u8);
q4u16 = vmlal_u8(q4u16, d28u8, d5u8);
q5u16 = vmlal_u8(q5u16, d29u8, d5u8);
q6u16 = vmlal_u8(q6u16, d30u8, d5u8);
q7u16 = vmull_u8(d25u8, d3u8);
q8u16 = vmull_u8(d26u8, d3u8);
q9u16 = vmull_u8(d27u8, d3u8);
q10u16 = vmull_u8(d28u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
vst1_u8(dst_ptr, d6u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d7u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d8u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d9u8);
return;
}
// load first_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[xoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// First pass: output_height lines x output_width columns (9x4)
if (yoffset == 0) // firstpass_filter4x4_only
src = src_ptr - 2;
else
src = src_ptr - 2 - (src_pixels_per_line * 2);
q3u8 = vld1q_u8(src);
src += src_pixels_per_line;
q4u8 = vld1q_u8(src);
src += src_pixels_per_line;
q5u8 = vld1q_u8(src);
src += src_pixels_per_line;
q6u8 = vld1q_u8(src);
q7u16 = vmull_u8(vget_low_u8(q3u8), d0u8);
q8u16 = vmull_u8(vget_low_u8(q4u8), d0u8);
q9u16 = vmull_u8(vget_low_u8(q5u8), d0u8);
q10u16 = vmull_u8(vget_low_u8(q6u8), d0u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 1);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 1);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 1);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 1);
q7u16 = vmlsl_u8(q7u16, d28u8, d1u8);
q8u16 = vmlsl_u8(q8u16, d29u8, d1u8);
q9u16 = vmlsl_u8(q9u16, d30u8, d1u8);
q10u16 = vmlsl_u8(q10u16, d31u8, d1u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 4);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 4);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 4);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 4);
q7u16 = vmlsl_u8(q7u16, d28u8, d4u8);
q8u16 = vmlsl_u8(q8u16, d29u8, d4u8);
q9u16 = vmlsl_u8(q9u16, d30u8, d4u8);
q10u16 = vmlsl_u8(q10u16, d31u8, d4u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 2);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 2);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 2);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 2);
q7u16 = vmlal_u8(q7u16, d28u8, d2u8);
q8u16 = vmlal_u8(q8u16, d29u8, d2u8);
q9u16 = vmlal_u8(q9u16, d30u8, d2u8);
q10u16 = vmlal_u8(q10u16, d31u8, d2u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 5);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 5);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 5);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 5);
q7u16 = vmlal_u8(q7u16, d28u8, d5u8);
q8u16 = vmlal_u8(q8u16, d29u8, d5u8);
q9u16 = vmlal_u8(q9u16, d30u8, d5u8);
q10u16 = vmlal_u8(q10u16, d31u8, d5u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 3);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 3);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 3);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 3);
q3u16 = vmull_u8(d28u8, d3u8);
q4u16 = vmull_u8(d29u8, d3u8);
q5u16 = vmull_u8(d30u8, d3u8);
q6u16 = vmull_u8(d31u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d22u8 = vqrshrun_n_s16(q7s16, 7);
d23u8 = vqrshrun_n_s16(q8s16, 7);
d24u8 = vqrshrun_n_s16(q9s16, 7);
d25u8 = vqrshrun_n_s16(q10s16, 7);
if (yoffset == 0) { // firstpass_filter8x4_only
vst1_u8(dst_ptr, d22u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d23u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d24u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d25u8);
return;
}
// First Pass on rest 5-line data
src += src_pixels_per_line;
q3u8 = vld1q_u8(src);
src += src_pixels_per_line;
q4u8 = vld1q_u8(src);
src += src_pixels_per_line;
q5u8 = vld1q_u8(src);
src += src_pixels_per_line;
q6u8 = vld1q_u8(src);
src += src_pixels_per_line;
q7u8 = vld1q_u8(src);
q8u16 = vmull_u8(vget_low_u8(q3u8), d0u8);
q9u16 = vmull_u8(vget_low_u8(q4u8), d0u8);
q10u16 = vmull_u8(vget_low_u8(q5u8), d0u8);
q11u16 = vmull_u8(vget_low_u8(q6u8), d0u8);
q12u16 = vmull_u8(vget_low_u8(q7u8), d0u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 1);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 1);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 1);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 1);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 1);
q8u16 = vmlsl_u8(q8u16, d27u8, d1u8);
q9u16 = vmlsl_u8(q9u16, d28u8, d1u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d1u8);
q11u16 = vmlsl_u8(q11u16, d30u8, d1u8);
q12u16 = vmlsl_u8(q12u16, d31u8, d1u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 4);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 4);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 4);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 4);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 4);
q8u16 = vmlsl_u8(q8u16, d27u8, d4u8);
q9u16 = vmlsl_u8(q9u16, d28u8, d4u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d4u8);
q11u16 = vmlsl_u8(q11u16, d30u8, d4u8);
q12u16 = vmlsl_u8(q12u16, d31u8, d4u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 2);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 2);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 2);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 2);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 2);
q8u16 = vmlal_u8(q8u16, d27u8, d2u8);
q9u16 = vmlal_u8(q9u16, d28u8, d2u8);
q10u16 = vmlal_u8(q10u16, d29u8, d2u8);
q11u16 = vmlal_u8(q11u16, d30u8, d2u8);
q12u16 = vmlal_u8(q12u16, d31u8, d2u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 5);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 5);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 5);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 5);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 5);
q8u16 = vmlal_u8(q8u16, d27u8, d5u8);
q9u16 = vmlal_u8(q9u16, d28u8, d5u8);
q10u16 = vmlal_u8(q10u16, d29u8, d5u8);
q11u16 = vmlal_u8(q11u16, d30u8, d5u8);
q12u16 = vmlal_u8(q12u16, d31u8, d5u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 3);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 3);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 3);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 3);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 3);
q3u16 = vmull_u8(d27u8, d3u8);
q4u16 = vmull_u8(d28u8, d3u8);
q5u16 = vmull_u8(d29u8, d3u8);
q6u16 = vmull_u8(d30u8, d3u8);
q7u16 = vmull_u8(d31u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q11s16 = vreinterpretq_s16_u16(q11u16);
q12s16 = vreinterpretq_s16_u16(q12u16);
q8s16 = vqaddq_s16(q8s16, q3s16);
q9s16 = vqaddq_s16(q9s16, q4s16);
q10s16 = vqaddq_s16(q10s16, q5s16);
q11s16 = vqaddq_s16(q11s16, q6s16);
q12s16 = vqaddq_s16(q12s16, q7s16);
d26u8 = vqrshrun_n_s16(q8s16, 7);
d27u8 = vqrshrun_n_s16(q9s16, 7);
d28u8 = vqrshrun_n_s16(q10s16, 7);
d29u8 = vqrshrun_n_s16(q11s16, 7);
d30u8 = vqrshrun_n_s16(q12s16, 7);
// Second pass: 8x4
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
q3u16 = vmull_u8(d22u8, d0u8);
q4u16 = vmull_u8(d23u8, d0u8);
q5u16 = vmull_u8(d24u8, d0u8);
q6u16 = vmull_u8(d25u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d23u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d24u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d25u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d26u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d26u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d27u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d28u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d29u8, d4u8);
q3u16 = vmlal_u8(q3u16, d24u8, d2u8);
q4u16 = vmlal_u8(q4u16, d25u8, d2u8);
q5u16 = vmlal_u8(q5u16, d26u8, d2u8);
q6u16 = vmlal_u8(q6u16, d27u8, d2u8);
q3u16 = vmlal_u8(q3u16, d27u8, d5u8);
q4u16 = vmlal_u8(q4u16, d28u8, d5u8);
q5u16 = vmlal_u8(q5u16, d29u8, d5u8);
q6u16 = vmlal_u8(q6u16, d30u8, d5u8);
q7u16 = vmull_u8(d25u8, d3u8);
q8u16 = vmull_u8(d26u8, d3u8);
q9u16 = vmull_u8(d27u8, d3u8);
q10u16 = vmull_u8(d28u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
vst1_u8(dst_ptr, d6u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d7u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d8u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d9u8);
return;
}
void vp8_sixtap_predict8x8_neon(unsigned char *src_ptr, int src_pixels_per_line,
int xoffset, int yoffset,
unsigned char *dst_ptr, int dst_pitch) {
unsigned char *src, *tmpp;
unsigned char tmp[64];
int i;
uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8, d8u8, d9u8;
uint8x8_t d18u8, d19u8, d20u8, d21u8, d22u8, d23u8, d24u8, d25u8;
uint8x8_t d26u8, d27u8, d28u8, d29u8, d30u8, d31u8;
int8x8_t dtmps8, d0s8, d1s8, d2s8, d3s8, d4s8, d5s8;
uint16x8_t q3u16, q4u16, q5u16, q6u16, q7u16;
uint16x8_t q8u16, q9u16, q10u16, q11u16, q12u16;
int16x8_t q3s16, q4s16, q5s16, q6s16, q7s16;
int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16;
uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8, q9u8, q10u8, q11u8, q12u8;
if (xoffset == 0) { // secondpass_filter8x8_only
// load second_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// load src data
src = src_ptr - src_pixels_per_line * 2;
d18u8 = vld1_u8(src);
src += src_pixels_per_line;
d19u8 = vld1_u8(src);
src += src_pixels_per_line;
d20u8 = vld1_u8(src);
src += src_pixels_per_line;
d21u8 = vld1_u8(src);
src += src_pixels_per_line;
d22u8 = vld1_u8(src);
src += src_pixels_per_line;
d23u8 = vld1_u8(src);
src += src_pixels_per_line;
d24u8 = vld1_u8(src);
src += src_pixels_per_line;
d25u8 = vld1_u8(src);
src += src_pixels_per_line;
d26u8 = vld1_u8(src);
src += src_pixels_per_line;
d27u8 = vld1_u8(src);
src += src_pixels_per_line;
d28u8 = vld1_u8(src);
src += src_pixels_per_line;
d29u8 = vld1_u8(src);
src += src_pixels_per_line;
d30u8 = vld1_u8(src);
for (i = 2; i > 0; i--) {
q3u16 = vmull_u8(d18u8, d0u8);
q4u16 = vmull_u8(d19u8, d0u8);
q5u16 = vmull_u8(d20u8, d0u8);
q6u16 = vmull_u8(d21u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d19u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d20u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d21u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d22u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d22u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d23u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d24u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d25u8, d4u8);
q3u16 = vmlal_u8(q3u16, d20u8, d2u8);
q4u16 = vmlal_u8(q4u16, d21u8, d2u8);
q5u16 = vmlal_u8(q5u16, d22u8, d2u8);
q6u16 = vmlal_u8(q6u16, d23u8, d2u8);
q3u16 = vmlal_u8(q3u16, d23u8, d5u8);
q4u16 = vmlal_u8(q4u16, d24u8, d5u8);
q5u16 = vmlal_u8(q5u16, d25u8, d5u8);
q6u16 = vmlal_u8(q6u16, d26u8, d5u8);
q7u16 = vmull_u8(d21u8, d3u8);
q8u16 = vmull_u8(d22u8, d3u8);
q9u16 = vmull_u8(d23u8, d3u8);
q10u16 = vmull_u8(d24u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
d18u8 = d22u8;
d19u8 = d23u8;
d20u8 = d24u8;
d21u8 = d25u8;
d22u8 = d26u8;
d23u8 = d27u8;
d24u8 = d28u8;
d25u8 = d29u8;
d26u8 = d30u8;
vst1_u8(dst_ptr, d6u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d7u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d8u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d9u8);
dst_ptr += dst_pitch;
}
return;
}
// load first_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[xoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// First pass: output_height lines x output_width columns (9x4)
if (yoffset == 0) // firstpass_filter4x4_only
src = src_ptr - 2;
else
src = src_ptr - 2 - (src_pixels_per_line * 2);
tmpp = tmp;
for (i = 2; i > 0; i--) {
q3u8 = vld1q_u8(src);
src += src_pixels_per_line;
q4u8 = vld1q_u8(src);
src += src_pixels_per_line;
q5u8 = vld1q_u8(src);
src += src_pixels_per_line;
q6u8 = vld1q_u8(src);
src += src_pixels_per_line;
__builtin_prefetch(src);
__builtin_prefetch(src + src_pixels_per_line);
__builtin_prefetch(src + src_pixels_per_line * 2);
q7u16 = vmull_u8(vget_low_u8(q3u8), d0u8);
q8u16 = vmull_u8(vget_low_u8(q4u8), d0u8);
q9u16 = vmull_u8(vget_low_u8(q5u8), d0u8);
q10u16 = vmull_u8(vget_low_u8(q6u8), d0u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 1);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 1);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 1);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 1);
q7u16 = vmlsl_u8(q7u16, d28u8, d1u8);
q8u16 = vmlsl_u8(q8u16, d29u8, d1u8);
q9u16 = vmlsl_u8(q9u16, d30u8, d1u8);
q10u16 = vmlsl_u8(q10u16, d31u8, d1u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 4);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 4);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 4);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 4);
q7u16 = vmlsl_u8(q7u16, d28u8, d4u8);
q8u16 = vmlsl_u8(q8u16, d29u8, d4u8);
q9u16 = vmlsl_u8(q9u16, d30u8, d4u8);
q10u16 = vmlsl_u8(q10u16, d31u8, d4u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 2);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 2);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 2);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 2);
q7u16 = vmlal_u8(q7u16, d28u8, d2u8);
q8u16 = vmlal_u8(q8u16, d29u8, d2u8);
q9u16 = vmlal_u8(q9u16, d30u8, d2u8);
q10u16 = vmlal_u8(q10u16, d31u8, d2u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 5);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 5);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 5);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 5);
q7u16 = vmlal_u8(q7u16, d28u8, d5u8);
q8u16 = vmlal_u8(q8u16, d29u8, d5u8);
q9u16 = vmlal_u8(q9u16, d30u8, d5u8);
q10u16 = vmlal_u8(q10u16, d31u8, d5u8);
d28u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 3);
d29u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 3);
d30u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 3);
d31u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 3);
q3u16 = vmull_u8(d28u8, d3u8);
q4u16 = vmull_u8(d29u8, d3u8);
q5u16 = vmull_u8(d30u8, d3u8);
q6u16 = vmull_u8(d31u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d22u8 = vqrshrun_n_s16(q7s16, 7);
d23u8 = vqrshrun_n_s16(q8s16, 7);
d24u8 = vqrshrun_n_s16(q9s16, 7);
d25u8 = vqrshrun_n_s16(q10s16, 7);
if (yoffset == 0) { // firstpass_filter8x4_only
vst1_u8(dst_ptr, d22u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d23u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d24u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d25u8);
dst_ptr += dst_pitch;
} else {
vst1_u8(tmpp, d22u8);
tmpp += 8;
vst1_u8(tmpp, d23u8);
tmpp += 8;
vst1_u8(tmpp, d24u8);
tmpp += 8;
vst1_u8(tmpp, d25u8);
tmpp += 8;
}
}
if (yoffset == 0) return;
// First Pass on rest 5-line data
q3u8 = vld1q_u8(src);
src += src_pixels_per_line;
q4u8 = vld1q_u8(src);
src += src_pixels_per_line;
q5u8 = vld1q_u8(src);
src += src_pixels_per_line;
q6u8 = vld1q_u8(src);
src += src_pixels_per_line;
q7u8 = vld1q_u8(src);
q8u16 = vmull_u8(vget_low_u8(q3u8), d0u8);
q9u16 = vmull_u8(vget_low_u8(q4u8), d0u8);
q10u16 = vmull_u8(vget_low_u8(q5u8), d0u8);
q11u16 = vmull_u8(vget_low_u8(q6u8), d0u8);
q12u16 = vmull_u8(vget_low_u8(q7u8), d0u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 1);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 1);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 1);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 1);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 1);
q8u16 = vmlsl_u8(q8u16, d27u8, d1u8);
q9u16 = vmlsl_u8(q9u16, d28u8, d1u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d1u8);
q11u16 = vmlsl_u8(q11u16, d30u8, d1u8);
q12u16 = vmlsl_u8(q12u16, d31u8, d1u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 4);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 4);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 4);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 4);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 4);
q8u16 = vmlsl_u8(q8u16, d27u8, d4u8);
q9u16 = vmlsl_u8(q9u16, d28u8, d4u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d4u8);
q11u16 = vmlsl_u8(q11u16, d30u8, d4u8);
q12u16 = vmlsl_u8(q12u16, d31u8, d4u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 2);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 2);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 2);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 2);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 2);
q8u16 = vmlal_u8(q8u16, d27u8, d2u8);
q9u16 = vmlal_u8(q9u16, d28u8, d2u8);
q10u16 = vmlal_u8(q10u16, d29u8, d2u8);
q11u16 = vmlal_u8(q11u16, d30u8, d2u8);
q12u16 = vmlal_u8(q12u16, d31u8, d2u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 5);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 5);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 5);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 5);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 5);
q8u16 = vmlal_u8(q8u16, d27u8, d5u8);
q9u16 = vmlal_u8(q9u16, d28u8, d5u8);
q10u16 = vmlal_u8(q10u16, d29u8, d5u8);
q11u16 = vmlal_u8(q11u16, d30u8, d5u8);
q12u16 = vmlal_u8(q12u16, d31u8, d5u8);
d27u8 = vext_u8(vget_low_u8(q3u8), vget_high_u8(q3u8), 3);
d28u8 = vext_u8(vget_low_u8(q4u8), vget_high_u8(q4u8), 3);
d29u8 = vext_u8(vget_low_u8(q5u8), vget_high_u8(q5u8), 3);
d30u8 = vext_u8(vget_low_u8(q6u8), vget_high_u8(q6u8), 3);
d31u8 = vext_u8(vget_low_u8(q7u8), vget_high_u8(q7u8), 3);
q3u16 = vmull_u8(d27u8, d3u8);
q4u16 = vmull_u8(d28u8, d3u8);
q5u16 = vmull_u8(d29u8, d3u8);
q6u16 = vmull_u8(d30u8, d3u8);
q7u16 = vmull_u8(d31u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q11s16 = vreinterpretq_s16_u16(q11u16);
q12s16 = vreinterpretq_s16_u16(q12u16);
q8s16 = vqaddq_s16(q8s16, q3s16);
q9s16 = vqaddq_s16(q9s16, q4s16);
q10s16 = vqaddq_s16(q10s16, q5s16);
q11s16 = vqaddq_s16(q11s16, q6s16);
q12s16 = vqaddq_s16(q12s16, q7s16);
d26u8 = vqrshrun_n_s16(q8s16, 7);
d27u8 = vqrshrun_n_s16(q9s16, 7);
d28u8 = vqrshrun_n_s16(q10s16, 7);
d29u8 = vqrshrun_n_s16(q11s16, 7);
d30u8 = vqrshrun_n_s16(q12s16, 7);
// Second pass: 8x8
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
tmpp = tmp;
q9u8 = vld1q_u8(tmpp);
tmpp += 16;
q10u8 = vld1q_u8(tmpp);
tmpp += 16;
q11u8 = vld1q_u8(tmpp);
tmpp += 16;
q12u8 = vld1q_u8(tmpp);
d18u8 = vget_low_u8(q9u8);
d19u8 = vget_high_u8(q9u8);
d20u8 = vget_low_u8(q10u8);
d21u8 = vget_high_u8(q10u8);
d22u8 = vget_low_u8(q11u8);
d23u8 = vget_high_u8(q11u8);
d24u8 = vget_low_u8(q12u8);
d25u8 = vget_high_u8(q12u8);
for (i = 2; i > 0; i--) {
q3u16 = vmull_u8(d18u8, d0u8);
q4u16 = vmull_u8(d19u8, d0u8);
q5u16 = vmull_u8(d20u8, d0u8);
q6u16 = vmull_u8(d21u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d19u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d20u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d21u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d22u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d22u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d23u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d24u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d25u8, d4u8);
q3u16 = vmlal_u8(q3u16, d20u8, d2u8);
q4u16 = vmlal_u8(q4u16, d21u8, d2u8);
q5u16 = vmlal_u8(q5u16, d22u8, d2u8);
q6u16 = vmlal_u8(q6u16, d23u8, d2u8);
q3u16 = vmlal_u8(q3u16, d23u8, d5u8);
q4u16 = vmlal_u8(q4u16, d24u8, d5u8);
q5u16 = vmlal_u8(q5u16, d25u8, d5u8);
q6u16 = vmlal_u8(q6u16, d26u8, d5u8);
q7u16 = vmull_u8(d21u8, d3u8);
q8u16 = vmull_u8(d22u8, d3u8);
q9u16 = vmull_u8(d23u8, d3u8);
q10u16 = vmull_u8(d24u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
d18u8 = d22u8;
d19u8 = d23u8;
d20u8 = d24u8;
d21u8 = d25u8;
d22u8 = d26u8;
d23u8 = d27u8;
d24u8 = d28u8;
d25u8 = d29u8;
d26u8 = d30u8;
vst1_u8(dst_ptr, d6u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d7u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d8u8);
dst_ptr += dst_pitch;
vst1_u8(dst_ptr, d9u8);
dst_ptr += dst_pitch;
}
return;
}
void vp8_sixtap_predict16x16_neon(unsigned char *src_ptr,
int src_pixels_per_line, int xoffset,
int yoffset, unsigned char *dst_ptr,
int dst_pitch) {
unsigned char *src, *src_tmp, *dst, *tmpp;
unsigned char tmp[336];
int i, j;
uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8, d8u8, d9u8;
uint8x8_t d10u8, d11u8, d12u8, d13u8, d14u8, d15u8, d18u8, d19u8;
uint8x8_t d20u8, d21u8, d22u8, d23u8, d24u8, d25u8, d26u8, d27u8;
uint8x8_t d28u8, d29u8, d30u8, d31u8;
int8x8_t dtmps8, d0s8, d1s8, d2s8, d3s8, d4s8, d5s8;
uint8x16_t q3u8, q4u8;
uint16x8_t q3u16, q4u16, q5u16, q6u16, q7u16, q8u16, q9u16, q10u16;
uint16x8_t q11u16, q12u16, q13u16, q15u16;
int16x8_t q3s16, q4s16, q5s16, q6s16, q7s16, q8s16, q9s16, q10s16;
int16x8_t q11s16, q12s16, q13s16, q15s16;
if (xoffset == 0) { // secondpass_filter8x8_only
// load second_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// load src data
src_tmp = src_ptr - src_pixels_per_line * 2;
for (i = 0; i < 2; ++i) {
src = src_tmp + i * 8;
dst = dst_ptr + i * 8;
d18u8 = vld1_u8(src);
src += src_pixels_per_line;
d19u8 = vld1_u8(src);
src += src_pixels_per_line;
d20u8 = vld1_u8(src);
src += src_pixels_per_line;
d21u8 = vld1_u8(src);
src += src_pixels_per_line;
d22u8 = vld1_u8(src);
src += src_pixels_per_line;
for (j = 0; j < 4; ++j) {
d23u8 = vld1_u8(src);
src += src_pixels_per_line;
d24u8 = vld1_u8(src);
src += src_pixels_per_line;
d25u8 = vld1_u8(src);
src += src_pixels_per_line;
d26u8 = vld1_u8(src);
src += src_pixels_per_line;
q3u16 = vmull_u8(d18u8, d0u8);
q4u16 = vmull_u8(d19u8, d0u8);
q5u16 = vmull_u8(d20u8, d0u8);
q6u16 = vmull_u8(d21u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d19u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d20u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d21u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d22u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d22u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d23u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d24u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d25u8, d4u8);
q3u16 = vmlal_u8(q3u16, d20u8, d2u8);
q4u16 = vmlal_u8(q4u16, d21u8, d2u8);
q5u16 = vmlal_u8(q5u16, d22u8, d2u8);
q6u16 = vmlal_u8(q6u16, d23u8, d2u8);
q3u16 = vmlal_u8(q3u16, d23u8, d5u8);
q4u16 = vmlal_u8(q4u16, d24u8, d5u8);
q5u16 = vmlal_u8(q5u16, d25u8, d5u8);
q6u16 = vmlal_u8(q6u16, d26u8, d5u8);
q7u16 = vmull_u8(d21u8, d3u8);
q8u16 = vmull_u8(d22u8, d3u8);
q9u16 = vmull_u8(d23u8, d3u8);
q10u16 = vmull_u8(d24u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
d18u8 = d22u8;
d19u8 = d23u8;
d20u8 = d24u8;
d21u8 = d25u8;
d22u8 = d26u8;
vst1_u8(dst, d6u8);
dst += dst_pitch;
vst1_u8(dst, d7u8);
dst += dst_pitch;
vst1_u8(dst, d8u8);
dst += dst_pitch;
vst1_u8(dst, d9u8);
dst += dst_pitch;
}
}
return;
}
// load first_pass filter
dtmps8 = vld1_s8(vp8_sub_pel_filters[xoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
// First pass: output_height lines x output_width columns (9x4)
if (yoffset == 0) { // firstpass_filter4x4_only
src = src_ptr - 2;
dst = dst_ptr;
for (i = 0; i < 8; ++i) {
d6u8 = vld1_u8(src);
d7u8 = vld1_u8(src + 8);
d8u8 = vld1_u8(src + 16);
src += src_pixels_per_line;
d9u8 = vld1_u8(src);
d10u8 = vld1_u8(src + 8);
d11u8 = vld1_u8(src + 16);
src += src_pixels_per_line;
__builtin_prefetch(src);
__builtin_prefetch(src + src_pixels_per_line);
q6u16 = vmull_u8(d6u8, d0u8);
q7u16 = vmull_u8(d7u8, d0u8);
q8u16 = vmull_u8(d9u8, d0u8);
q9u16 = vmull_u8(d10u8, d0u8);
d20u8 = vext_u8(d6u8, d7u8, 1);
d21u8 = vext_u8(d9u8, d10u8, 1);
d22u8 = vext_u8(d7u8, d8u8, 1);
d23u8 = vext_u8(d10u8, d11u8, 1);
d24u8 = vext_u8(d6u8, d7u8, 4);
d25u8 = vext_u8(d9u8, d10u8, 4);
d26u8 = vext_u8(d7u8, d8u8, 4);
d27u8 = vext_u8(d10u8, d11u8, 4);
d28u8 = vext_u8(d6u8, d7u8, 5);
d29u8 = vext_u8(d9u8, d10u8, 5);
q6u16 = vmlsl_u8(q6u16, d20u8, d1u8);
q8u16 = vmlsl_u8(q8u16, d21u8, d1u8);
q7u16 = vmlsl_u8(q7u16, d22u8, d1u8);
q9u16 = vmlsl_u8(q9u16, d23u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d24u8, d4u8);
q8u16 = vmlsl_u8(q8u16, d25u8, d4u8);
q7u16 = vmlsl_u8(q7u16, d26u8, d4u8);
q9u16 = vmlsl_u8(q9u16, d27u8, d4u8);
q6u16 = vmlal_u8(q6u16, d28u8, d5u8);
q8u16 = vmlal_u8(q8u16, d29u8, d5u8);
d20u8 = vext_u8(d7u8, d8u8, 5);
d21u8 = vext_u8(d10u8, d11u8, 5);
d22u8 = vext_u8(d6u8, d7u8, 2);
d23u8 = vext_u8(d9u8, d10u8, 2);
d24u8 = vext_u8(d7u8, d8u8, 2);
d25u8 = vext_u8(d10u8, d11u8, 2);
d26u8 = vext_u8(d6u8, d7u8, 3);
d27u8 = vext_u8(d9u8, d10u8, 3);
d28u8 = vext_u8(d7u8, d8u8, 3);
d29u8 = vext_u8(d10u8, d11u8, 3);
q7u16 = vmlal_u8(q7u16, d20u8, d5u8);
q9u16 = vmlal_u8(q9u16, d21u8, d5u8);
q6u16 = vmlal_u8(q6u16, d22u8, d2u8);
q8u16 = vmlal_u8(q8u16, d23u8, d2u8);
q7u16 = vmlal_u8(q7u16, d24u8, d2u8);
q9u16 = vmlal_u8(q9u16, d25u8, d2u8);
q10u16 = vmull_u8(d26u8, d3u8);
q11u16 = vmull_u8(d27u8, d3u8);
q12u16 = vmull_u8(d28u8, d3u8);
q15u16 = vmull_u8(d29u8, d3u8);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q11s16 = vreinterpretq_s16_u16(q11u16);
q12s16 = vreinterpretq_s16_u16(q12u16);
q15s16 = vreinterpretq_s16_u16(q15u16);
q6s16 = vqaddq_s16(q6s16, q10s16);
q8s16 = vqaddq_s16(q8s16, q11s16);
q7s16 = vqaddq_s16(q7s16, q12s16);
q9s16 = vqaddq_s16(q9s16, q15s16);
d6u8 = vqrshrun_n_s16(q6s16, 7);
d7u8 = vqrshrun_n_s16(q7s16, 7);
d8u8 = vqrshrun_n_s16(q8s16, 7);
d9u8 = vqrshrun_n_s16(q9s16, 7);
q3u8 = vcombine_u8(d6u8, d7u8);
q4u8 = vcombine_u8(d8u8, d9u8);
vst1q_u8(dst, q3u8);
dst += dst_pitch;
vst1q_u8(dst, q4u8);
dst += dst_pitch;
}
return;
}
src = src_ptr - 2 - src_pixels_per_line * 2;
tmpp = tmp;
for (i = 0; i < 7; ++i) {
d6u8 = vld1_u8(src);
d7u8 = vld1_u8(src + 8);
d8u8 = vld1_u8(src + 16);
src += src_pixels_per_line;
d9u8 = vld1_u8(src);
d10u8 = vld1_u8(src + 8);
d11u8 = vld1_u8(src + 16);
src += src_pixels_per_line;
d12u8 = vld1_u8(src);
d13u8 = vld1_u8(src + 8);
d14u8 = vld1_u8(src + 16);
src += src_pixels_per_line;
__builtin_prefetch(src);
__builtin_prefetch(src + src_pixels_per_line);
__builtin_prefetch(src + src_pixels_per_line * 2);
q8u16 = vmull_u8(d6u8, d0u8);
q9u16 = vmull_u8(d7u8, d0u8);
q10u16 = vmull_u8(d9u8, d0u8);
q11u16 = vmull_u8(d10u8, d0u8);
q12u16 = vmull_u8(d12u8, d0u8);
q13u16 = vmull_u8(d13u8, d0u8);
d28u8 = vext_u8(d6u8, d7u8, 1);
d29u8 = vext_u8(d9u8, d10u8, 1);
d30u8 = vext_u8(d12u8, d13u8, 1);
q8u16 = vmlsl_u8(q8u16, d28u8, d1u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d1u8);
q12u16 = vmlsl_u8(q12u16, d30u8, d1u8);
d28u8 = vext_u8(d7u8, d8u8, 1);
d29u8 = vext_u8(d10u8, d11u8, 1);
d30u8 = vext_u8(d13u8, d14u8, 1);
q9u16 = vmlsl_u8(q9u16, d28u8, d1u8);
q11u16 = vmlsl_u8(q11u16, d29u8, d1u8);
q13u16 = vmlsl_u8(q13u16, d30u8, d1u8);
d28u8 = vext_u8(d6u8, d7u8, 4);
d29u8 = vext_u8(d9u8, d10u8, 4);
d30u8 = vext_u8(d12u8, d13u8, 4);
q8u16 = vmlsl_u8(q8u16, d28u8, d4u8);
q10u16 = vmlsl_u8(q10u16, d29u8, d4u8);
q12u16 = vmlsl_u8(q12u16, d30u8, d4u8);
d28u8 = vext_u8(d7u8, d8u8, 4);
d29u8 = vext_u8(d10u8, d11u8, 4);
d30u8 = vext_u8(d13u8, d14u8, 4);
q9u16 = vmlsl_u8(q9u16, d28u8, d4u8);
q11u16 = vmlsl_u8(q11u16, d29u8, d4u8);
q13u16 = vmlsl_u8(q13u16, d30u8, d4u8);
d28u8 = vext_u8(d6u8, d7u8, 5);
d29u8 = vext_u8(d9u8, d10u8, 5);
d30u8 = vext_u8(d12u8, d13u8, 5);
q8u16 = vmlal_u8(q8u16, d28u8, d5u8);
q10u16 = vmlal_u8(q10u16, d29u8, d5u8);
q12u16 = vmlal_u8(q12u16, d30u8, d5u8);
d28u8 = vext_u8(d7u8, d8u8, 5);
d29u8 = vext_u8(d10u8, d11u8, 5);
d30u8 = vext_u8(d13u8, d14u8, 5);
q9u16 = vmlal_u8(q9u16, d28u8, d5u8);
q11u16 = vmlal_u8(q11u16, d29u8, d5u8);
q13u16 = vmlal_u8(q13u16, d30u8, d5u8);
d28u8 = vext_u8(d6u8, d7u8, 2);
d29u8 = vext_u8(d9u8, d10u8, 2);
d30u8 = vext_u8(d12u8, d13u8, 2);
q8u16 = vmlal_u8(q8u16, d28u8, d2u8);
q10u16 = vmlal_u8(q10u16, d29u8, d2u8);
q12u16 = vmlal_u8(q12u16, d30u8, d2u8);
d28u8 = vext_u8(d7u8, d8u8, 2);
d29u8 = vext_u8(d10u8, d11u8, 2);
d30u8 = vext_u8(d13u8, d14u8, 2);
q9u16 = vmlal_u8(q9u16, d28u8, d2u8);
q11u16 = vmlal_u8(q11u16, d29u8, d2u8);
q13u16 = vmlal_u8(q13u16, d30u8, d2u8);
d28u8 = vext_u8(d6u8, d7u8, 3);
d29u8 = vext_u8(d9u8, d10u8, 3);
d30u8 = vext_u8(d12u8, d13u8, 3);
d15u8 = vext_u8(d7u8, d8u8, 3);
d31u8 = vext_u8(d10u8, d11u8, 3);
d6u8 = vext_u8(d13u8, d14u8, 3);
q4u16 = vmull_u8(d28u8, d3u8);
q5u16 = vmull_u8(d29u8, d3u8);
q6u16 = vmull_u8(d30u8, d3u8);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q12s16 = vreinterpretq_s16_u16(q12u16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q10s16 = vqaddq_s16(q10s16, q5s16);
q12s16 = vqaddq_s16(q12s16, q6s16);
q6u16 = vmull_u8(d15u8, d3u8);
q7u16 = vmull_u8(d31u8, d3u8);
q3u16 = vmull_u8(d6u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q11s16 = vreinterpretq_s16_u16(q11u16);
q13s16 = vreinterpretq_s16_u16(q13u16);
q9s16 = vqaddq_s16(q9s16, q6s16);
q11s16 = vqaddq_s16(q11s16, q7s16);
q13s16 = vqaddq_s16(q13s16, q3s16);
d6u8 = vqrshrun_n_s16(q8s16, 7);
d7u8 = vqrshrun_n_s16(q9s16, 7);
d8u8 = vqrshrun_n_s16(q10s16, 7);
d9u8 = vqrshrun_n_s16(q11s16, 7);
d10u8 = vqrshrun_n_s16(q12s16, 7);
d11u8 = vqrshrun_n_s16(q13s16, 7);
vst1_u8(tmpp, d6u8);
tmpp += 8;
vst1_u8(tmpp, d7u8);
tmpp += 8;
vst1_u8(tmpp, d8u8);
tmpp += 8;
vst1_u8(tmpp, d9u8);
tmpp += 8;
vst1_u8(tmpp, d10u8);
tmpp += 8;
vst1_u8(tmpp, d11u8);
tmpp += 8;
}
// Second pass: 16x16
dtmps8 = vld1_s8(vp8_sub_pel_filters[yoffset]);
d0s8 = vdup_lane_s8(dtmps8, 0);
d1s8 = vdup_lane_s8(dtmps8, 1);
d2s8 = vdup_lane_s8(dtmps8, 2);
d3s8 = vdup_lane_s8(dtmps8, 3);
d4s8 = vdup_lane_s8(dtmps8, 4);
d5s8 = vdup_lane_s8(dtmps8, 5);
d0u8 = vreinterpret_u8_s8(vabs_s8(d0s8));
d1u8 = vreinterpret_u8_s8(vabs_s8(d1s8));
d2u8 = vreinterpret_u8_s8(vabs_s8(d2s8));
d3u8 = vreinterpret_u8_s8(vabs_s8(d3s8));
d4u8 = vreinterpret_u8_s8(vabs_s8(d4s8));
d5u8 = vreinterpret_u8_s8(vabs_s8(d5s8));
for (i = 0; i < 2; ++i) {
dst = dst_ptr + 8 * i;
tmpp = tmp + 8 * i;
d18u8 = vld1_u8(tmpp);
tmpp += 16;
d19u8 = vld1_u8(tmpp);
tmpp += 16;
d20u8 = vld1_u8(tmpp);
tmpp += 16;
d21u8 = vld1_u8(tmpp);
tmpp += 16;
d22u8 = vld1_u8(tmpp);
tmpp += 16;
for (j = 0; j < 4; ++j) {
d23u8 = vld1_u8(tmpp);
tmpp += 16;
d24u8 = vld1_u8(tmpp);
tmpp += 16;
d25u8 = vld1_u8(tmpp);
tmpp += 16;
d26u8 = vld1_u8(tmpp);
tmpp += 16;
q3u16 = vmull_u8(d18u8, d0u8);
q4u16 = vmull_u8(d19u8, d0u8);
q5u16 = vmull_u8(d20u8, d0u8);
q6u16 = vmull_u8(d21u8, d0u8);
q3u16 = vmlsl_u8(q3u16, d19u8, d1u8);
q4u16 = vmlsl_u8(q4u16, d20u8, d1u8);
q5u16 = vmlsl_u8(q5u16, d21u8, d1u8);
q6u16 = vmlsl_u8(q6u16, d22u8, d1u8);
q3u16 = vmlsl_u8(q3u16, d22u8, d4u8);
q4u16 = vmlsl_u8(q4u16, d23u8, d4u8);
q5u16 = vmlsl_u8(q5u16, d24u8, d4u8);
q6u16 = vmlsl_u8(q6u16, d25u8, d4u8);
q3u16 = vmlal_u8(q3u16, d20u8, d2u8);
q4u16 = vmlal_u8(q4u16, d21u8, d2u8);
q5u16 = vmlal_u8(q5u16, d22u8, d2u8);
q6u16 = vmlal_u8(q6u16, d23u8, d2u8);
q3u16 = vmlal_u8(q3u16, d23u8, d5u8);
q4u16 = vmlal_u8(q4u16, d24u8, d5u8);
q5u16 = vmlal_u8(q5u16, d25u8, d5u8);
q6u16 = vmlal_u8(q6u16, d26u8, d5u8);
q7u16 = vmull_u8(d21u8, d3u8);
q8u16 = vmull_u8(d22u8, d3u8);
q9u16 = vmull_u8(d23u8, d3u8);
q10u16 = vmull_u8(d24u8, d3u8);
q3s16 = vreinterpretq_s16_u16(q3u16);
q4s16 = vreinterpretq_s16_u16(q4u16);
q5s16 = vreinterpretq_s16_u16(q5u16);
q6s16 = vreinterpretq_s16_u16(q6u16);
q7s16 = vreinterpretq_s16_u16(q7u16);
q8s16 = vreinterpretq_s16_u16(q8u16);
q9s16 = vreinterpretq_s16_u16(q9u16);
q10s16 = vreinterpretq_s16_u16(q10u16);
q7s16 = vqaddq_s16(q7s16, q3s16);
q8s16 = vqaddq_s16(q8s16, q4s16);
q9s16 = vqaddq_s16(q9s16, q5s16);
q10s16 = vqaddq_s16(q10s16, q6s16);
d6u8 = vqrshrun_n_s16(q7s16, 7);
d7u8 = vqrshrun_n_s16(q8s16, 7);
d8u8 = vqrshrun_n_s16(q9s16, 7);
d9u8 = vqrshrun_n_s16(q10s16, 7);
d18u8 = d22u8;
d19u8 = d23u8;
d20u8 = d24u8;
d21u8 = d25u8;
d22u8 = d26u8;
vst1_u8(dst, d6u8);
dst += dst_pitch;
vst1_u8(dst, d7u8);
dst += dst_pitch;
vst1_u8(dst, d8u8);
dst += dst_pitch;
vst1_u8(dst, d9u8);
dst += dst_pitch;
}
}
return;
}