vpx/vp9/common/mips/dspr2/vp9_intrapred8_dspr2.c
Parag Salasakar 1530a6b77f mips dsp-ase r2 vp9 decoder intra module optimizations (rebase)
Change-Id: Ib27fc4f3dbe01fe8adfa04a61aaba21b3480e75c
2013-11-13 11:17:14 +05:30

611 lines
34 KiB
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 <stdlib.h>
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/mips/dspr2/vp9_common_dspr2.h"
#if HAVE_DSPR2
void vp9_h_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
int32_t tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
__asm__ __volatile__ (
"lb %[tmp1], (%[left]) \n\t"
"lb %[tmp2], 1(%[left]) \n\t"
"lb %[tmp3], 2(%[left]) \n\t"
"lb %[tmp4], 3(%[left]) \n\t"
"lb %[tmp5], 4(%[left]) \n\t"
"lb %[tmp6], 5(%[left]) \n\t"
"lb %[tmp7], 6(%[left]) \n\t"
"lb %[tmp8], 7(%[left]) \n\t"
"replv.qb %[tmp1], %[tmp1] \n\t"
"replv.qb %[tmp2], %[tmp2] \n\t"
"replv.qb %[tmp3], %[tmp3] \n\t"
"replv.qb %[tmp4], %[tmp4] \n\t"
"replv.qb %[tmp5], %[tmp5] \n\t"
"replv.qb %[tmp6], %[tmp6] \n\t"
"replv.qb %[tmp7], %[tmp7] \n\t"
"replv.qb %[tmp8], %[tmp8] \n\t"
"sw %[tmp1], (%[dst]) \n\t"
"sw %[tmp1], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp2], (%[dst]) \n\t"
"sw %[tmp2], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp3], (%[dst]) \n\t"
"sw %[tmp3], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp4], (%[dst]) \n\t"
"sw %[tmp4], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp5], (%[dst]) \n\t"
"sw %[tmp5], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp6], (%[dst]) \n\t"
"sw %[tmp6], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp7], (%[dst]) \n\t"
"sw %[tmp7], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp8], (%[dst]) \n\t"
"sw %[tmp8], 4(%[dst]) \n\t"
: [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
[tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4),
[tmp5] "=&r" (tmp5), [tmp7] "=&r" (tmp7),
[tmp6] "=&r" (tmp6), [tmp8] "=&r" (tmp8)
: [left] "r" (left), [dst] "r" (dst),
[stride] "r" (stride)
);
}
void vp9_dc_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
int32_t expected_dc;
int32_t average;
int32_t tmp, above1, above_l1, above_r1, left1, left_r1, left_l1;
int32_t above2, above_l2, above_r2, left2, left_r2, left_l2;
__asm__ __volatile__ (
"lw %[above1], (%[above]) \n\t"
"lw %[above2], 4(%[above]) \n\t"
"lw %[left1], (%[left]) \n\t"
"lw %[left2], 4(%[left]) \n\t"
"preceu.ph.qbl %[above_l1], %[above1] \n\t"
"preceu.ph.qbr %[above_r1], %[above1] \n\t"
"preceu.ph.qbl %[left_l1], %[left1] \n\t"
"preceu.ph.qbr %[left_r1], %[left1] \n\t"
"preceu.ph.qbl %[above_l2], %[above2] \n\t"
"preceu.ph.qbr %[above_r2], %[above2] \n\t"
"preceu.ph.qbl %[left_l2], %[left2] \n\t"
"preceu.ph.qbr %[left_r2], %[left2] \n\t"
"addu.ph %[average], %[above_r1], %[above_l1] \n\t"
"addu.ph %[average], %[average], %[left_l1] \n\t"
"addu.ph %[average], %[average], %[left_r1] \n\t"
"addu.ph %[average], %[average], %[above_l2] \n\t"
"addu.ph %[average], %[average], %[above_r2] \n\t"
"addu.ph %[average], %[average], %[left_l2] \n\t"
"addu.ph %[average], %[average], %[left_r2] \n\t"
"addiu %[average], %[average], 8 \n\t"
"srl %[tmp], %[average], 16 \n\t"
"addu.ph %[average], %[tmp], %[average] \n\t"
"srl %[expected_dc], %[average], 4 \n\t"
"replv.qb %[expected_dc], %[expected_dc] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
: [above1] "=&r" (above1), [above_l1] "=&r" (above_l1),
[above_r1] "=&r" (above_r1), [left1] "=&r" (left1),
[left_l1] "=&r" (left_l1), [left_r1] "=&r" (left_r1),
[above2] "=&r" (above2), [above_l2] "=&r" (above_l2),
[above_r2] "=&r" (above_r2), [left2] "=&r" (left2),
[left_l2] "=&r" (left_l2), [left_r2] "=&r" (left_r2),
[average] "=&r" (average), [tmp] "=&r" (tmp),
[expected_dc] "=&r" (expected_dc)
: [above] "r" (above), [left] "r" (left), [dst] "r" (dst),
[stride] "r" (stride)
);
}
void vp9_tm_predictor_8x8_dspr2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
int32_t abovel, abover;
int32_t abovel_1, abover_1;
int32_t left0;
int32_t res0, res1, res2, res3;
int32_t reshw;
int32_t top_left;
uint8_t *cm = vp9_ff_cropTbl;
__asm__ __volatile__ (
"ulw %[reshw], (%[above]) \n\t"
"ulw %[top_left], 4(%[above]) \n\t"
"lbu %[left0], (%[left]) \n\t"
"preceu.ph.qbl %[abovel], %[reshw] \n\t"
"preceu.ph.qbr %[abover], %[reshw] \n\t"
"preceu.ph.qbl %[abovel_1], %[top_left] \n\t"
"preceu.ph.qbr %[abover_1], %[top_left] \n\t"
"lbu %[top_left], -1(%[above]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"replv.ph %[top_left], %[top_left] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 1(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 2(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 3(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 4(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 5(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 6(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbu %[left0], 7(%[left]) \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
"replv.ph %[left0], %[left0] \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"addu.ph %[reshw], %[abovel], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], (%[dst]) \n\t"
"sb %[res1], 1(%[dst]) \n\t"
"sb %[res2], 2(%[dst]) \n\t"
"sb %[res3], 3(%[dst]) \n\t"
"addu.ph %[reshw], %[abovel_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res2], %[reshw], 16 \n\t"
"sra %[res2], %[res2], 16 \n\t"
"sra %[res3], %[reshw], 16 \n\t"
"addu.ph %[reshw], %[abover_1], %[left0] \n\t"
"subu.ph %[reshw], %[reshw], %[top_left] \n\t"
"sll %[res0], %[reshw], 16 \n\t"
"sra %[res0], %[res0], 16 \n\t"
"sra %[res1], %[reshw], 16 \n\t"
"lbux %[res0], %[res0](%[cm]) \n\t"
"lbux %[res1], %[res1](%[cm]) \n\t"
"lbux %[res2], %[res2](%[cm]) \n\t"
"lbux %[res3], %[res3](%[cm]) \n\t"
"sb %[res0], 4(%[dst]) \n\t"
"sb %[res1], 5(%[dst]) \n\t"
"sb %[res2], 6(%[dst]) \n\t"
"sb %[res3], 7(%[dst]) \n\t"
: [abovel] "=&r" (abovel), [abover] "=&r" (abover),
[abovel_1] "=&r" (abovel_1), [abover_1] "=&r" (abover_1),
[left0] "=&r" (left0), [res2] "=&r" (res2), [res3] "=&r" (res3),
[res0] "=&r" (res0), [res1] "=&r" (res1),
[reshw] "=&r" (reshw), [top_left] "=&r" (top_left)
: [above] "r" (above), [left] "r" (left),
[dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm)
);
}
#endif // #if HAVE_DSPR2