ref: 884c4cae739f36e8778a8e6c0a33228d2121d405
dir: /vpx_dsp/mips/convolve2_dspr2.c/
/*
* Copyright (c) 2013 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 <assert.h>
#include <stdio.h>
#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/mips/convolve_common_dspr2.h"
#include "vpx_dsp/vpx_dsp_common.h"
#include "vpx_dsp/vpx_filter.h"
#include "vpx_ports/mem.h"
#if HAVE_DSPR2
static void convolve_bi_horiz_4_transposed_dspr2(
const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride,
const int16_t *filter_x0, int32_t h) {
int32_t y;
uint8_t *cm = vpx_ff_cropTbl;
uint8_t *dst_ptr;
int32_t Temp1, Temp2;
uint32_t vector4a = 64;
uint32_t tp1, tp2;
uint32_t p1, p2;
const int16_t *filter = &filter_x0[3];
uint32_t filter45;
filter45 = ((const int32_t *)filter)[0];
for (y = h; y--;) {
dst_ptr = dst;
/* prefetch data to cache memory */
prefetch_load(src + src_stride);
prefetch_load(src + src_stride + 32);
__asm__ __volatile__(
"ulw %[tp1], 0(%[src]) \n\t"
"ulw %[tp2], 4(%[src]) \n\t"
/* even 1. pixel */
"mtlo %[vector4a], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"preceu.ph.qbr %[p1], %[tp1] \n\t"
"preceu.ph.qbl %[p2], %[tp1] \n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] \n\t"
"extp %[Temp1], $ac3, 31 \n\t"
/* even 2. pixel */
"mtlo %[vector4a], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"balign %[tp2], %[tp1], 3 \n\t"
"dpa.w.ph $ac2, %[p2], %[filter45] \n\t"
"extp %[Temp2], $ac2, 31 \n\t"
/* odd 1. pixel */
"lbux %[tp1], %[Temp1](%[cm]) \n\t"
"mtlo %[vector4a], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"preceu.ph.qbr %[p1], %[tp2] \n\t"
"preceu.ph.qbl %[p2], %[tp2] \n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] \n\t"
"extp %[Temp1], $ac3, 31 \n\t"
/* odd 2. pixel */
"lbux %[tp2], %[Temp2](%[cm]) \n\t"
"mtlo %[vector4a], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"dpa.w.ph $ac2, %[p2], %[filter45] \n\t"
"extp %[Temp2], $ac2, 31 \n\t"
/* clamp */
"lbux %[p1], %[Temp1](%[cm]) \n\t"
"lbux %[p2], %[Temp2](%[cm]) \n\t"
/* store bytes */
"sb %[tp1], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_stride] \n\t"
"sb %[p1], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_stride] \n\t"
"sb %[tp2], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_stride] \n\t"
"sb %[p2], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_stride] \n\t"
: [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [p1] "=&r"(p1), [p2] "=&r"(p2),
[Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [dst_ptr] "+r"(dst_ptr)
: [filter45] "r"(filter45), [vector4a] "r"(vector4a), [cm] "r"(cm),
[src] "r"(src), [dst_stride] "r"(dst_stride));
/* Next row... */
src += src_stride;
dst += 1;
}
}
static void convolve_bi_horiz_8_transposed_dspr2(
const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride,
const int16_t *filter_x0, int32_t h) {
int32_t y;
uint8_t *cm = vpx_ff_cropTbl;
uint8_t *dst_ptr;
uint32_t vector4a = 64;
int32_t Temp1, Temp2, Temp3;
uint32_t tp1, tp2, tp3;
uint32_t p1, p2, p3, p4;
uint8_t *odd_dst;
uint32_t dst_pitch_2 = (dst_stride << 1);
const int16_t *filter = &filter_x0[3];
uint32_t filter45;
filter45 = ((const int32_t *)filter)[0];
for (y = h; y--;) {
/* prefetch data to cache memory */
prefetch_load(src + src_stride);
prefetch_load(src + src_stride + 32);
dst_ptr = dst;
odd_dst = (dst_ptr + dst_stride);
__asm__ __volatile__(
"ulw %[tp1], 0(%[src]) \n\t"
"ulw %[tp2], 4(%[src]) \n\t"
/* even 1. pixel */
"mtlo %[vector4a], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"mtlo %[vector4a], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"preceu.ph.qbr %[p1], %[tp1] \n\t"
"preceu.ph.qbl %[p2], %[tp1] \n\t"
"preceu.ph.qbr %[p3], %[tp2] \n\t"
"preceu.ph.qbl %[p4], %[tp2] \n\t"
"ulw %[tp3], 8(%[src]) \n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] \n\t"
"extp %[Temp1], $ac3, 31 \n\t"
/* even 2. pixel */
"dpa.w.ph $ac2, %[p2], %[filter45] \n\t"
"extp %[Temp3], $ac2, 31 \n\t"
/* even 3. pixel */
"lbux %[Temp2], %[Temp1](%[cm]) \n\t"
"mtlo %[vector4a], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"balign %[tp3], %[tp2], 3 \n\t"
"balign %[tp2], %[tp1], 3 \n\t"
"dpa.w.ph $ac1, %[p3], %[filter45] \n\t"
"lbux %[tp1], %[Temp3](%[cm]) \n\t"
"extp %[p3], $ac1, 31 \n\t"
/* even 4. pixel */
"mtlo %[vector4a], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"mtlo %[vector4a], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"sb %[Temp2], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_pitch_2] \n\t"
"sb %[tp1], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_pitch_2] \n\t"
"dpa.w.ph $ac2, %[p4], %[filter45] \n\t"
"extp %[Temp3], $ac2, 31 \n\t"
"lbux %[Temp1], %[p3](%[cm]) "
"\n\t"
/* odd 1. pixel */
"mtlo %[vector4a], $ac1 \n\t"
"mthi $zero, $ac1 \n\t"
"preceu.ph.qbr %[p1], %[tp2] \n\t"
"preceu.ph.qbl %[p2], %[tp2] \n\t"
"preceu.ph.qbr %[p3], %[tp3] \n\t"
"preceu.ph.qbl %[p4], %[tp3] \n\t"
"sb %[Temp1], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_pitch_2] \n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] \n\t"
"extp %[Temp2], $ac3, 31 \n\t"
/* odd 2. pixel */
"lbux %[tp1], %[Temp3](%[cm]) \n\t"
"mtlo %[vector4a], $ac3 \n\t"
"mthi $zero, $ac3 \n\t"
"mtlo %[vector4a], $ac2 \n\t"
"mthi $zero, $ac2 \n\t"
"dpa.w.ph $ac1, %[p2], %[filter45] \n\t"
"sb %[tp1], 0(%[dst_ptr]) \n\t"
"addu %[dst_ptr], %[dst_ptr], %[dst_pitch_2] \n\t"
"extp %[Temp3], $ac1, 31 \n\t"
/* odd 3. pixel */
"lbux %[tp3], %[Temp2](%[cm]) \n\t"
"dpa.w.ph $ac3, %[p3], %[filter45] \n\t"
"extp %[Temp2], $ac3, 31 \n\t"
/* odd 4. pixel */
"sb %[tp3], 0(%[odd_dst]) \n\t"
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] \n\t"
"dpa.w.ph $ac2, %[p4], %[filter45] \n\t"
"extp %[Temp1], $ac2, 31 \n\t"
/* clamp */
"lbux %[p4], %[Temp3](%[cm]) \n\t"
"lbux %[p2], %[Temp2](%[cm]) \n\t"
"lbux %[p1], %[Temp1](%[cm]) \n\t"
/* store bytes */
"sb %[p4], 0(%[odd_dst]) \n\t"
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] \n\t"
"sb %[p2], 0(%[odd_dst]) \n\t"
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] \n\t"
"sb %[p1], 0(%[odd_dst]) \n\t"
: [tp1] "=&r"(tp1), [tp2] "=&r"(tp2), [tp3] "=&r"(tp3), [p1] "=&r"(p1),
[p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4), [Temp1] "=&r"(Temp1),
[Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3), [dst_ptr] "+r"(dst_ptr),
[odd_dst] "+r"(odd_dst)
: [filter45] "r"(filter45), [vector4a] "r"(vector4a), [cm] "r"(cm),
[src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2));
/* Next row... */
src += src_stride;
dst += 1;
}
}
static void convolve_bi_horiz_16_transposed_dspr2(
const uint8_t *src_ptr, int32_t src_stride, uint8_t *dst_ptr,
int32_t dst_stride, const int16_t *filter_x0, int32_t h, int32_t count) {
int32_t c, y;
const uint8_t *src;
uint8_t *dst;
uint8_t *cm = vpx_ff_cropTbl;
uint32_t vector_64 = 64;
int32_t Temp1, Temp2, Temp3;
uint32_t qload1, qload2;
uint32_t p1, p2, p3, p4, p5;
uint32_t st1, st2, st3;
uint32_t dst_pitch_2 = (dst_stride << 1);
uint8_t *odd_dst;
const int16_t *filter = &filter_x0[3];
uint32_t filter45;
filter45 = ((const int32_t *)filter)[0];
for (y = h; y--;) {
/* prefetch data to cache memory */
prefetch_load(src_ptr + src_stride);
prefetch_load(src_ptr + src_stride + 32);
src = src_ptr;
dst = dst_ptr;
odd_dst = (dst + dst_stride);
for (c = 0; c < count; c++) {
__asm__ __volatile__(
"ulw %[qload1], 0(%[src]) "
"\n\t"
"ulw %[qload2], 4(%[src]) "
"\n\t"
/* even 1. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 1 */
"mthi $zero, $ac1 "
"\n\t"
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 2 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p2], %[qload1] "
"\n\t"
"preceu.ph.qbr %[p3], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p4], %[qload2] "
"\n\t"
"ulw %[qload1], 8(%[src]) "
"\n\t"
"dpa.w.ph $ac1, %[p1], %[filter45] "
"\n\t" /* even 1 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 1 */
/* even 2. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* even 3 */
"mthi $zero, $ac3 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p5], %[qload1] "
"\n\t"
"ulw %[qload2], 12(%[src]) "
"\n\t"
"dpa.w.ph $ac2, %[p2], %[filter45] "
"\n\t" /* even 1 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 1 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 1 */
/* even 3. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 4 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p2], %[qload2] "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 1 */
"addu %[dst], %[dst], %[dst_pitch_2] "
" \n\t"
"dpa.w.ph $ac3, %[p3], %[filter45] "
"\n\t" /* even 3 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* even 3 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 1 */
/* even 4. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 5 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbl %[p3], %[qload2] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 2 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p4], %[filter45] "
"\n\t" /* even 4 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 4 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* even 3 */
/* even 5. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* even 6 */
"mthi $zero, $ac3 "
"\n\t"
"sb %[st3], 0(%[dst]) "
"\n\t" /* even 3 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac2, %[p1], %[filter45] "
"\n\t" /* even 5 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 5 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 4 */
/* even 6. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 7 */
"mthi $zero, $ac1 "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 4 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload1], 20(%[src]) "
"\n\t"
"dpa.w.ph $ac3, %[p5], %[filter45] "
"\n\t" /* even 6 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* even 6 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 5 */
/* even 7. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 8 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p5], %[qload1] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 5 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p2], %[filter45] "
"\n\t" /* even 7 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 7 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* even 6 */
/* even 8. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 1 */
"mthi $zero, $ac3 "
"\n\t"
"dpa.w.ph $ac2, %[p3], %[filter45] "
"\n\t" /* even 8 */
"sb %[st3], 0(%[dst]) "
"\n\t" /* even 6 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 8 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 7 */
/* ODD pixels */
"ulw %[qload1], 1(%[src]) "
"\n\t"
"ulw %[qload2], 5(%[src]) "
"\n\t"
/* odd 1. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 2 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p2], %[qload1] "
"\n\t"
"preceu.ph.qbr %[p3], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p4], %[qload2] "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 7 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload2], 9(%[src]) "
"\n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] "
"\n\t" /* odd 1 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 1 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 8 */
/* odd 2. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* odd 3 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p5], %[qload2] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 8 */
"ulw %[qload1], 13(%[src]) "
"\n\t"
"dpa.w.ph $ac1, %[p2], %[filter45] "
"\n\t" /* odd 2 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 2 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 1 */
/* odd 3. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 4 */
"mthi $zero, $ac3 "
"\n\t"
"preceu.ph.qbr %[p2], %[qload1] "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 1 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac2, %[p3], %[filter45] "
"\n\t" /* odd 3 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* odd 3 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 2 */
/* odd 4. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 5 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbl %[p3], %[qload1] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 2 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac3, %[p4], %[filter45] "
"\n\t" /* odd 4 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 4 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* odd 3 */
/* odd 5. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* odd 6 */
"mthi $zero, $ac2 "
"\n\t"
"sb %[st2], 0(%[odd_dst]) "
"\n\t" /* odd 3 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p1], %[filter45] "
"\n\t" /* odd 5 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 5 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 4 */
/* odd 6. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 7 */
"mthi $zero, $ac3 "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 4 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload1], 21(%[src]) "
"\n\t"
"dpa.w.ph $ac2, %[p5], %[filter45] "
"\n\t" /* odd 6 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* odd 6 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 5 */
/* odd 7. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 8 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p5], %[qload1] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 5 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac3, %[p2], %[filter45] "
"\n\t" /* odd 7 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 7 */
/* odd 8. pixel */
"dpa.w.ph $ac1, %[p3], %[filter45] "
"\n\t" /* odd 8 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 8 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* odd 6 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 7 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 8 */
"sb %[st2], 0(%[odd_dst]) "
"\n\t" /* odd 6 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 7 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 8 */
: [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), [p5] "=&r"(p5),
[st1] "=&r"(st1), [st2] "=&r"(st2), [st3] "=&r"(st3),
[p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4),
[Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3),
[dst] "+r"(dst), [odd_dst] "+r"(odd_dst)
: [filter45] "r"(filter45), [vector_64] "r"(vector_64), [cm] "r"(cm),
[src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2));
src += 16;
dst = (dst_ptr + ((c + 1) * 16 * dst_stride));
odd_dst = (dst + dst_stride);
}
/* Next row... */
src_ptr += src_stride;
dst_ptr += 1;
}
}
static void convolve_bi_horiz_64_transposed_dspr2(
const uint8_t *src_ptr, int32_t src_stride, uint8_t *dst_ptr,
int32_t dst_stride, const int16_t *filter_x0, int32_t h) {
int32_t c, y;
const uint8_t *src;
uint8_t *dst;
uint8_t *cm = vpx_ff_cropTbl;
uint32_t vector_64 = 64;
int32_t Temp1, Temp2, Temp3;
uint32_t qload1, qload2;
uint32_t p1, p2, p3, p4, p5;
uint32_t st1, st2, st3;
uint32_t dst_pitch_2 = (dst_stride << 1);
uint8_t *odd_dst;
const int16_t *filter = &filter_x0[3];
uint32_t filter45;
filter45 = ((const int32_t *)filter)[0];
for (y = h; y--;) {
/* prefetch data to cache memory */
prefetch_load(src_ptr + src_stride);
prefetch_load(src_ptr + src_stride + 32);
prefetch_load(src_ptr + src_stride + 64);
src = src_ptr;
dst = dst_ptr;
odd_dst = (dst + dst_stride);
for (c = 0; c < 4; c++) {
__asm__ __volatile__(
"ulw %[qload1], 0(%[src]) "
"\n\t"
"ulw %[qload2], 4(%[src]) "
"\n\t"
/* even 1. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 1 */
"mthi $zero, $ac1 "
"\n\t"
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 2 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p2], %[qload1] "
"\n\t"
"preceu.ph.qbr %[p3], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p4], %[qload2] "
"\n\t"
"ulw %[qload1], 8(%[src]) "
"\n\t"
"dpa.w.ph $ac1, %[p1], %[filter45] "
"\n\t" /* even 1 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 1 */
/* even 2. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* even 3 */
"mthi $zero, $ac3 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p5], %[qload1] "
"\n\t"
"ulw %[qload2], 12(%[src]) "
"\n\t"
"dpa.w.ph $ac2, %[p2], %[filter45] "
"\n\t" /* even 1 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 1 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 1 */
/* even 3. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 4 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p2], %[qload2] "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 1 */
"addu %[dst], %[dst], %[dst_pitch_2] "
" \n\t"
"dpa.w.ph $ac3, %[p3], %[filter45] "
"\n\t" /* even 3 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* even 3 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 1 */
/* even 4. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 5 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbl %[p3], %[qload2] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 2 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p4], %[filter45] "
"\n\t" /* even 4 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 4 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* even 3 */
/* even 5. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* even 6 */
"mthi $zero, $ac3 "
"\n\t"
"sb %[st3], 0(%[dst]) "
"\n\t" /* even 3 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac2, %[p1], %[filter45] "
"\n\t" /* even 5 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 5 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 4 */
/* even 6. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* even 7 */
"mthi $zero, $ac1 "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 4 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload1], 20(%[src]) "
"\n\t"
"dpa.w.ph $ac3, %[p5], %[filter45] "
"\n\t" /* even 6 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* even 6 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 5 */
/* even 7. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* even 8 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p5], %[qload1] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 5 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p2], %[filter45] "
"\n\t" /* even 7 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* even 7 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* even 6 */
/* even 8. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 1 */
"mthi $zero, $ac3 "
"\n\t"
"dpa.w.ph $ac2, %[p3], %[filter45] "
"\n\t" /* even 8 */
"sb %[st3], 0(%[dst]) "
"\n\t" /* even 6 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"extp %[Temp2], $ac2, 31 "
"\n\t" /* even 8 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* even 7 */
/* ODD pixels */
"ulw %[qload1], 1(%[src]) "
"\n\t"
"ulw %[qload2], 5(%[src]) "
"\n\t"
/* odd 1. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 2 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload1] "
"\n\t"
"preceu.ph.qbl %[p2], %[qload1] "
"\n\t"
"preceu.ph.qbr %[p3], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p4], %[qload2] "
"\n\t"
"sb %[st1], 0(%[dst]) "
"\n\t" /* even 7 */
"addu %[dst], %[dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload2], 9(%[src]) "
"\n\t"
"dpa.w.ph $ac3, %[p1], %[filter45] "
"\n\t" /* odd 1 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 1 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* even 8 */
/* odd 2. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* odd 3 */
"mthi $zero, $ac2 "
"\n\t"
"preceu.ph.qbr %[p1], %[qload2] "
"\n\t"
"preceu.ph.qbl %[p5], %[qload2] "
"\n\t"
"sb %[st2], 0(%[dst]) "
"\n\t" /* even 8 */
"ulw %[qload1], 13(%[src]) "
"\n\t"
"dpa.w.ph $ac1, %[p2], %[filter45] "
"\n\t" /* odd 2 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 2 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 1 */
/* odd 3. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 4 */
"mthi $zero, $ac3 "
"\n\t"
"preceu.ph.qbr %[p2], %[qload1] "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 1 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac2, %[p3], %[filter45] "
"\n\t" /* odd 3 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* odd 3 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 2 */
/* odd 4. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 5 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbl %[p3], %[qload1] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 2 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac3, %[p4], %[filter45] "
"\n\t" /* odd 4 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 4 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* odd 3 */
/* odd 5. pixel */
"mtlo %[vector_64], $ac2 "
"\n\t" /* odd 6 */
"mthi $zero, $ac2 "
"\n\t"
"sb %[st2], 0(%[odd_dst]) "
"\n\t" /* odd 3 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac1, %[p1], %[filter45] "
"\n\t" /* odd 5 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 5 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 4 */
/* odd 6. pixel */
"mtlo %[vector_64], $ac3 "
"\n\t" /* odd 7 */
"mthi $zero, $ac3 "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 4 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"ulw %[qload1], 21(%[src]) "
"\n\t"
"dpa.w.ph $ac2, %[p5], %[filter45] "
"\n\t" /* odd 6 */
"extp %[Temp2], $ac2, 31 "
"\n\t" /* odd 6 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 5 */
/* odd 7. pixel */
"mtlo %[vector_64], $ac1 "
"\n\t" /* odd 8 */
"mthi $zero, $ac1 "
"\n\t"
"preceu.ph.qbr %[p5], %[qload1] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 5 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"dpa.w.ph $ac3, %[p2], %[filter45] "
"\n\t" /* odd 7 */
"extp %[Temp3], $ac3, 31 "
"\n\t" /* odd 7 */
/* odd 8. pixel */
"dpa.w.ph $ac1, %[p3], %[filter45] "
"\n\t" /* odd 8 */
"extp %[Temp1], $ac1, 31 "
"\n\t" /* odd 8 */
"lbux %[st2], %[Temp2](%[cm]) "
"\n\t" /* odd 6 */
"lbux %[st3], %[Temp3](%[cm]) "
"\n\t" /* odd 7 */
"lbux %[st1], %[Temp1](%[cm]) "
"\n\t" /* odd 8 */
"sb %[st2], 0(%[odd_dst]) "
"\n\t" /* odd 6 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"sb %[st3], 0(%[odd_dst]) "
"\n\t" /* odd 7 */
"addu %[odd_dst], %[odd_dst], %[dst_pitch_2] "
"\n\t"
"sb %[st1], 0(%[odd_dst]) "
"\n\t" /* odd 8 */
: [qload1] "=&r"(qload1), [qload2] "=&r"(qload2), [p5] "=&r"(p5),
[st1] "=&r"(st1), [st2] "=&r"(st2), [st3] "=&r"(st3),
[p1] "=&r"(p1), [p2] "=&r"(p2), [p3] "=&r"(p3), [p4] "=&r"(p4),
[Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [Temp3] "=&r"(Temp3),
[dst] "+r"(dst), [odd_dst] "+r"(odd_dst)
: [filter45] "r"(filter45), [vector_64] "r"(vector_64), [cm] "r"(cm),
[src] "r"(src), [dst_pitch_2] "r"(dst_pitch_2));
src += 16;
dst = (dst_ptr + ((c + 1) * 16 * dst_stride));
odd_dst = (dst + dst_stride);
}
/* Next row... */
src_ptr += src_stride;
dst_ptr += 1;
}
}
void convolve_bi_horiz_transposed(const uint8_t *src, ptrdiff_t src_stride,
uint8_t *dst, ptrdiff_t dst_stride,
const int16_t *filter, int w, int h) {
int x, y;
for (y = 0; y < h; ++y) {
for (x = 0; x < w; ++x) {
int sum = 0;
sum += src[x] * filter[3];
sum += src[x + 1] * filter[4];
dst[x * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
}
src += src_stride;
dst += 1;
}
}
void vpx_convolve2_dspr2(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
ptrdiff_t dst_stride, const int16_t *filter, int w,
int h) {
uint32_t pos = 38;
/* bit positon for extract from acc */
__asm__ __volatile__("wrdsp %[pos], 1 \n\t"
:
: [pos] "r"(pos));
/* prefetch data to cache memory */
prefetch_load(src);
prefetch_load(src + 32);
switch (w) {
case 4:
convolve_bi_horiz_4_transposed_dspr2(src, src_stride, dst, dst_stride,
filter, h);
break;
case 8:
convolve_bi_horiz_8_transposed_dspr2(src, src_stride, dst, dst_stride,
filter, h);
break;
case 16:
case 32:
convolve_bi_horiz_16_transposed_dspr2(src, src_stride, dst, dst_stride,
filter, h, (w / 16));
break;
case 64:
prefetch_load(src + 32);
convolve_bi_horiz_64_transposed_dspr2(src, src_stride, dst, dst_stride,
filter, h);
break;
default:
convolve_bi_horiz_transposed(src, src_stride, dst, dst_stride, filter, w,
h);
break;
}
}
#endif