| /* |
| * 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_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| int32_t tmp1, tmp2, tmp3, tmp4; |
| |
| __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 vpx_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) |
| ); |
| } |
| |
| void vpx_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| int32_t abovel, abover; |
| int32_t left0, left1, left2, left3; |
| int32_t res0, res1; |
| int32_t resl; |
| int32_t resr; |
| int32_t top_left; |
| uint8_t *cm = vpx_ff_cropTbl; |
| |
| __asm__ __volatile__ ( |
| "ulw %[resl], (%[above]) \n\t" |
| |
| "lbu %[left0], (%[left]) \n\t" |
| "lbu %[left1], 1(%[left]) \n\t" |
| "lbu %[left2], 2(%[left]) \n\t" |
| "lbu %[left3], 3(%[left]) \n\t" |
| |
| "lbu %[top_left], -1(%[above]) \n\t" |
| |
| "preceu.ph.qbl %[abovel], %[resl] \n\t" |
| "preceu.ph.qbr %[abover], %[resl] \n\t" |
| |
| "replv.ph %[left0], %[left0] \n\t" |
| "replv.ph %[left1], %[left1] \n\t" |
| "replv.ph %[left2], %[left2] \n\t" |
| "replv.ph %[left3], %[left3] \n\t" |
| |
| "replv.ph %[top_left], %[top_left] \n\t" |
| |
| "addu.ph %[resl], %[abovel], %[left0] \n\t" |
| "subu.ph %[resl], %[resl], %[top_left] \n\t" |
| |
| "addu.ph %[resr], %[abover], %[left0] \n\t" |
| "subu.ph %[resr], %[resr], %[top_left] \n\t" |
| |
| "sll %[res0], %[resr], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| "sra %[res1], %[resr], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| "sb %[res0], (%[dst]) \n\t" |
| |
| "sll %[res0], %[resl], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| "sb %[res1], 1(%[dst]) \n\t" |
| |
| "sra %[res1], %[resl], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| |
| "addu.ph %[resl], %[abovel], %[left1] \n\t" |
| "subu.ph %[resl], %[resl], %[top_left] \n\t" |
| |
| "addu.ph %[resr], %[abover], %[left1] \n\t" |
| "subu.ph %[resr], %[resr], %[top_left] \n\t" |
| |
| "sb %[res0], 2(%[dst]) \n\t" |
| "sb %[res1], 3(%[dst]) \n\t" |
| |
| "add %[dst], %[dst], %[stride] \n\t" |
| |
| "sll %[res0], %[resr], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| "sra %[res1], %[resr], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| "sb %[res0], (%[dst]) \n\t" |
| |
| "sll %[res0], %[resl], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| "sb %[res1], 1(%[dst]) \n\t" |
| "sra %[res1], %[resl], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| |
| "addu.ph %[resl], %[abovel], %[left2] \n\t" |
| "subu.ph %[resl], %[resl], %[top_left] \n\t" |
| |
| "addu.ph %[resr], %[abover], %[left2] \n\t" |
| "subu.ph %[resr], %[resr], %[top_left] \n\t" |
| |
| "sb %[res0], 2(%[dst]) \n\t" |
| "sb %[res1], 3(%[dst]) \n\t" |
| |
| "add %[dst], %[dst], %[stride] \n\t" |
| |
| "sll %[res0], %[resr], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| |
| "sra %[res1], %[resr], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| "sb %[res0], (%[dst]) \n\t" |
| |
| "sll %[res0], %[resl], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| |
| "sb %[res1], 1(%[dst]) \n\t" |
| "sra %[res1], %[resl], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| |
| "addu.ph %[resl], %[abovel], %[left3] \n\t" |
| "subu.ph %[resl], %[resl], %[top_left] \n\t" |
| |
| "addu.ph %[resr], %[abover], %[left3] \n\t" |
| "subu.ph %[resr], %[resr], %[top_left] \n\t" |
| |
| "sb %[res0], 2(%[dst]) \n\t" |
| "sb %[res1], 3(%[dst]) \n\t" |
| |
| "add %[dst], %[dst], %[stride] \n\t" |
| |
| "sll %[res0], %[resr], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| |
| "sra %[res1], %[resr], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| "sb %[res0], (%[dst]) \n\t" |
| |
| "sll %[res0], %[resl], 16 \n\t" |
| "sra %[res0], %[res0], 16 \n\t" |
| "lbux %[res0], %[res0](%[cm]) \n\t" |
| "sb %[res1], 1(%[dst]) \n\t" |
| |
| "sra %[res1], %[resl], 16 \n\t" |
| "lbux %[res1], %[res1](%[cm]) \n\t" |
| |
| "sb %[res0], 2(%[dst]) \n\t" |
| "sb %[res1], 3(%[dst]) \n\t" |
| |
| : [abovel] "=&r" (abovel), [abover] "=&r" (abover), |
| [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2), |
| [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3), |
| [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left) |
| : [above] "r" (above), [left] "r" (left), |
| [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm) |
| ); |
| } |
| #endif // #if HAVE_DSPR2 |
