ref: 5de049b0677eb4f2f0e9d4c4b4f0bd82d6ed17cd
dir: /vpx_dsp/mips/intrapred16_dspr2.c/
/*
* Copyright (c) 2015 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 "vpx_dsp/mips/common_dspr2.h"
#if HAVE_DSPR2
void vpx_h_predictor_16x16_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;
int32_t tmp9, tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16;
__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"
"lb %[tmp9], 8(%[left]) \n\t"
"lb %[tmp10], 9(%[left]) \n\t"
"lb %[tmp11], 10(%[left]) \n\t"
"lb %[tmp12], 11(%[left]) \n\t"
"lb %[tmp13], 12(%[left]) \n\t"
"lb %[tmp14], 13(%[left]) \n\t"
"lb %[tmp15], 14(%[left]) \n\t"
"lb %[tmp16], 15(%[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"
"replv.qb %[tmp9], %[tmp9] \n\t"
"replv.qb %[tmp10], %[tmp10] \n\t"
"replv.qb %[tmp11], %[tmp11] \n\t"
"replv.qb %[tmp12], %[tmp12] \n\t"
"replv.qb %[tmp13], %[tmp13] \n\t"
"replv.qb %[tmp14], %[tmp14] \n\t"
"replv.qb %[tmp15], %[tmp15] \n\t"
"replv.qb %[tmp16], %[tmp16] \n\t"
"sw %[tmp1], (%[dst]) \n\t"
"sw %[tmp1], 4(%[dst]) \n\t"
"sw %[tmp1], 8(%[dst]) \n\t"
"sw %[tmp1], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp2], (%[dst]) \n\t"
"sw %[tmp2], 4(%[dst]) \n\t"
"sw %[tmp2], 8(%[dst]) \n\t"
"sw %[tmp2], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp3], (%[dst]) \n\t"
"sw %[tmp3], 4(%[dst]) \n\t"
"sw %[tmp3], 8(%[dst]) \n\t"
"sw %[tmp3], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp4], (%[dst]) \n\t"
"sw %[tmp4], 4(%[dst]) \n\t"
"sw %[tmp4], 8(%[dst]) \n\t"
"sw %[tmp4], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp5], (%[dst]) \n\t"
"sw %[tmp5], 4(%[dst]) \n\t"
"sw %[tmp5], 8(%[dst]) \n\t"
"sw %[tmp5], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp6], (%[dst]) \n\t"
"sw %[tmp6], 4(%[dst]) \n\t"
"sw %[tmp6], 8(%[dst]) \n\t"
"sw %[tmp6], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp7], (%[dst]) \n\t"
"sw %[tmp7], 4(%[dst]) \n\t"
"sw %[tmp7], 8(%[dst]) \n\t"
"sw %[tmp7], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp8], (%[dst]) \n\t"
"sw %[tmp8], 4(%[dst]) \n\t"
"sw %[tmp8], 8(%[dst]) \n\t"
"sw %[tmp8], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp9], (%[dst]) \n\t"
"sw %[tmp9], 4(%[dst]) \n\t"
"sw %[tmp9], 8(%[dst]) \n\t"
"sw %[tmp9], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp10], (%[dst]) \n\t"
"sw %[tmp10], 4(%[dst]) \n\t"
"sw %[tmp10], 8(%[dst]) \n\t"
"sw %[tmp10], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp11], (%[dst]) \n\t"
"sw %[tmp11], 4(%[dst]) \n\t"
"sw %[tmp11], 8(%[dst]) \n\t"
"sw %[tmp11], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp12], (%[dst]) \n\t"
"sw %[tmp12], 4(%[dst]) \n\t"
"sw %[tmp12], 8(%[dst]) \n\t"
"sw %[tmp12], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp13], (%[dst]) \n\t"
"sw %[tmp13], 4(%[dst]) \n\t"
"sw %[tmp13], 8(%[dst]) \n\t"
"sw %[tmp13], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp14], (%[dst]) \n\t"
"sw %[tmp14], 4(%[dst]) \n\t"
"sw %[tmp14], 8(%[dst]) \n\t"
"sw %[tmp14], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp15], (%[dst]) \n\t"
"sw %[tmp15], 4(%[dst]) \n\t"
"sw %[tmp15], 8(%[dst]) \n\t"
"sw %[tmp15], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[tmp16], (%[dst]) \n\t"
"sw %[tmp16], 4(%[dst]) \n\t"
"sw %[tmp16], 8(%[dst]) \n\t"
"sw %[tmp16], 12(%[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),
[tmp9] "=&r" (tmp9), [tmp10] "=&r" (tmp10),
[tmp11] "=&r" (tmp11), [tmp12] "=&r" (tmp12),
[tmp13] "=&r" (tmp13), [tmp14] "=&r" (tmp14),
[tmp15] "=&r" (tmp15), [tmp16] "=&r" (tmp16)
: [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride)
);
}
void vpx_dc_predictor_16x16_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, left2;
__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"
"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"
"preceu.ph.qbl %[above_l1], %[above2] \n\t"
"preceu.ph.qbr %[above_r1], %[above2] \n\t"
"preceu.ph.qbl %[left_l1], %[left2] \n\t"
"preceu.ph.qbr %[left_r1], %[left2] \n\t"
"addu.ph %[average], %[average], %[above_l1] \n\t"
"addu.ph %[average], %[average], %[above_r1] \n\t"
"addu.ph %[average], %[average], %[left_l1] \n\t"
"addu.ph %[average], %[average], %[left_r1] \n\t"
"lw %[above1], 8(%[above]) \n\t"
"lw %[above2], 12(%[above]) \n\t"
"lw %[left1], 8(%[left]) \n\t"
"lw %[left2], 12(%[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"
"addu.ph %[average], %[average], %[above_l1] \n\t"
"addu.ph %[average], %[average], %[above_r1] \n\t"
"addu.ph %[average], %[average], %[left_l1] \n\t"
"addu.ph %[average], %[average], %[left_r1] \n\t"
"preceu.ph.qbl %[above_l1], %[above2] \n\t"
"preceu.ph.qbr %[above_r1], %[above2] \n\t"
"preceu.ph.qbl %[left_l1], %[left2] \n\t"
"preceu.ph.qbr %[left_r1], %[left2] \n\t"
"addu.ph %[average], %[average], %[above_l1] \n\t"
"addu.ph %[average], %[average], %[above_r1] \n\t"
"addu.ph %[average], %[average], %[left_l1] \n\t"
"addu.ph %[average], %[average], %[left_r1] \n\t"
"addiu %[average], %[average], 16 \n\t"
"srl %[tmp], %[average], 16 \n\t"
"addu.ph %[average], %[tmp], %[average] \n\t"
"srl %[expected_dc], %[average], 5 \n\t"
"replv.qb %[expected_dc], %[expected_dc] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
"add %[dst], %[dst], %[stride] \n\t"
"sw %[expected_dc], (%[dst]) \n\t"
"sw %[expected_dc], 4(%[dst]) \n\t"
"sw %[expected_dc], 8(%[dst]) \n\t"
"sw %[expected_dc], 12(%[dst]) \n\t"
: [left1] "=&r" (left1), [above1] "=&r" (above1),
[left_l1] "=&r" (left_l1), [above_l1] "=&r" (above_l1),
[left_r1] "=&r" (left_r1), [above_r1] "=&r" (above_r1),
[above2] "=&r" (above2), [left2] "=&r" (left2),
[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