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/*
* 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 "aom_dsp/mips/common_dspr2.h"
#if HAVE_DSPR2
void aom_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;
(void)above;
__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 aom_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));
}
#endif // #if HAVE_DSPR2
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