| /* |
| * 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_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| int32_t tmp1, tmp2, tmp3, tmp4; |
| (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" |
| "replv.qb %[tmp1], %[tmp1] \n\t" |
| "replv.qb %[tmp2], %[tmp2] \n\t" |
| "replv.qb %[tmp3], %[tmp3] \n\t" |
| "replv.qb %[tmp4], %[tmp4] \n\t" |
| "sw %[tmp1], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[tmp2], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[tmp3], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[tmp4], (%[dst]) \n\t" |
| |
| : [tmp1] "=&r"(tmp1), [tmp2] "=&r"(tmp2), [tmp3] "=&r"(tmp3), |
| [tmp4] "=&r"(tmp4) |
| : [left] "r"(left), [dst] "r"(dst), [stride] "r"(stride)); |
| } |
| |
| void aom_dc_predictor_4x4_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, above_c, above_l, above_r, left_c, left_r, left_l; |
| |
| __asm__ __volatile__( |
| "lw %[above_c], (%[above]) \n\t" |
| "lw %[left_c], (%[left]) \n\t" |
| |
| "preceu.ph.qbl %[above_l], %[above_c] \n\t" |
| "preceu.ph.qbr %[above_r], %[above_c] \n\t" |
| "preceu.ph.qbl %[left_l], %[left_c] \n\t" |
| "preceu.ph.qbr %[left_r], %[left_c] \n\t" |
| |
| "addu.ph %[average], %[above_r], %[above_l] \n\t" |
| "addu.ph %[average], %[average], %[left_l] \n\t" |
| "addu.ph %[average], %[average], %[left_r] \n\t" |
| "addiu %[average], %[average], 4 \n\t" |
| "srl %[tmp], %[average], 16 \n\t" |
| "addu.ph %[average], %[tmp], %[average] \n\t" |
| "srl %[expected_dc], %[average], 3 \n\t" |
| "replv.qb %[expected_dc], %[expected_dc] \n\t" |
| |
| "sw %[expected_dc], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[expected_dc], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[expected_dc], (%[dst]) \n\t" |
| "add %[dst], %[dst], %[stride] \n\t" |
| "sw %[expected_dc], (%[dst]) \n\t" |
| |
| : [above_c] "=&r"(above_c), [above_l] "=&r"(above_l), |
| [above_r] "=&r"(above_r), [left_c] "=&r"(left_c), |
| [left_l] "=&r"(left_l), [left_r] "=&r"(left_r), |
| [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 |
