/*
 *  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 <stdlib.h>
#include "./vp8_rtcd.h"
#include "./vpx_dsp_rtcd.h"
#include "vp8/common/mips/msa/vp8_macros_msa.h"

static const int16_t vp8_rv_msa[] =
{
    8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
    0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
    10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
    8, 6, 10, 0, 0, 8, 9, 0, 3, 14,
    8, 11, 13, 4, 2, 9, 0, 3, 9, 6,
    1, 2, 3, 14, 13, 1, 8, 2, 9, 7,
    3, 3, 1, 13, 13, 6, 6, 5, 2, 7,
    11, 9, 11, 8, 7, 3, 2, 0, 13, 13,
    14, 4, 12, 5, 12, 10, 8, 10, 13, 10,
    4, 14, 4, 10, 0, 8, 11, 1, 13, 7,
    7, 14, 6, 14, 13, 2, 13, 5, 4, 4,
    0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
    8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
    3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
    3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
    13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
    5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
    9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
    4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
    3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
    11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
    5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
    0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
    10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
    4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
    0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
    8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
    3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
    3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
    13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
    5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
    9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
    4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
    3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
    11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
    5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
    0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
    10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
    4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
    3, 8, 3, 7, 8, 5, 11, 4, 12, 3,
    11, 9, 14, 8, 14, 13, 4, 3, 1, 2,
    14, 6, 5, 4, 4, 11, 4, 6, 2, 1,
    5, 8, 8, 12, 13, 5, 14, 10, 12, 13,
    0, 9, 5, 5, 11, 10, 13, 9, 10, 13,
};

#define VP8_TRANSPOSE8x16_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7,  \
                                out0, out1, out2, out3,                  \
                                out4, out5, out6, out7,                  \
                                out8, out9, out10, out11,                \
                                out12, out13, out14, out15)              \
{                                                                        \
    v8i16 temp0, temp1, temp2, temp3, temp4;                             \
    v8i16 temp5, temp6, temp7, temp8, temp9;                             \
                                                                         \
    ILVR_B4_SH(in1, in0, in3, in2, in5, in4, in7, in6,                   \
               temp0, temp1, temp2, temp3);                              \
    ILVR_H2_SH(temp1, temp0, temp3, temp2, temp4, temp5);                \
    ILVRL_W2_SH(temp5, temp4, temp6, temp7);                             \
    ILVL_H2_SH(temp1, temp0, temp3, temp2, temp4, temp5);                \
    ILVRL_W2_SH(temp5, temp4, temp8, temp9);                             \
    ILVL_B4_SH(in1, in0, in3, in2, in5, in4, in7, in6,                   \
               temp0, temp1, temp2, temp3);                              \
    ILVR_H2_SH(temp1, temp0, temp3, temp2, temp4, temp5);                \
    ILVRL_W2_UB(temp5, temp4, out8, out10);                              \
    ILVL_H2_SH(temp1, temp0, temp3, temp2, temp4, temp5);                \
    ILVRL_W2_UB(temp5, temp4, out12, out14);                             \
    out0 = (v16u8)temp6;                                                 \
    out2 = (v16u8)temp7;                                                 \
    out4 = (v16u8)temp8;                                                 \
    out6 = (v16u8)temp9;                                                 \
    out9 = (v16u8)__msa_ilvl_d((v2i64)out8, (v2i64)out8);                \
    out11 = (v16u8)__msa_ilvl_d((v2i64)out10, (v2i64)out10);             \
    out13 = (v16u8)__msa_ilvl_d((v2i64)out12, (v2i64)out12);             \
    out15 = (v16u8)__msa_ilvl_d((v2i64)out14, (v2i64)out14);             \
    out1 = (v16u8)__msa_ilvl_d((v2i64)out0, (v2i64)out0);                \
    out3 = (v16u8)__msa_ilvl_d((v2i64)out2, (v2i64)out2);                \
    out5 = (v16u8)__msa_ilvl_d((v2i64)out4, (v2i64)out4);                \
    out7 = (v16u8)__msa_ilvl_d((v2i64)out6, (v2i64)out6);                \
}

#define VP8_AVER_IF_RETAIN(above2_in, above1_in, src_in,    \
                           below1_in, below2_in, ref, out)  \
{                                                           \
    v16u8 temp0, temp1;                                     \
                                                            \
    temp1 = __msa_aver_u_b(above2_in, above1_in);           \
    temp0 = __msa_aver_u_b(below2_in, below1_in);           \
    temp1 = __msa_aver_u_b(temp1, temp0);                   \
    out = __msa_aver_u_b(src_in, temp1);                    \
    temp0 = __msa_asub_u_b(src_in, above2_in);              \
    temp1 = __msa_asub_u_b(src_in, above1_in);              \
    temp0 = (temp0 < ref);                                  \
    temp1 = (temp1 < ref);                                  \
    temp0 = temp0 & temp1;                                  \
    temp1 = __msa_asub_u_b(src_in, below1_in);              \
    temp1 = (temp1 < ref);                                  \
    temp0 = temp0 & temp1;                                  \
    temp1 = __msa_asub_u_b(src_in, below2_in);              \
    temp1 = (temp1 < ref);                                  \
    temp0 = temp0 & temp1;                                  \
    out = __msa_bmz_v(out, src_in, temp0);                  \
}

#define TRANSPOSE12x16_B(in0, in1, in2, in3, in4, in5, in6, in7,        \
                         in8, in9, in10, in11, in12, in13, in14, in15)  \
{                                                                       \
    v8i16 temp0, temp1, temp2, temp3, temp4;                            \
    v8i16 temp5, temp6, temp7, temp8, temp9;                            \
                                                                        \
    ILVR_B2_SH(in1, in0, in3, in2, temp0, temp1);                       \
    ILVRL_H2_SH(temp1, temp0, temp2, temp3);                            \
    ILVR_B2_SH(in5, in4, in7, in6, temp0, temp1);                       \
    ILVRL_H2_SH(temp1, temp0, temp4, temp5);                            \
    ILVRL_W2_SH(temp4, temp2, temp0, temp1);                            \
    ILVRL_W2_SH(temp5, temp3, temp2, temp3);                            \
    ILVR_B2_SH(in9, in8, in11, in10, temp4, temp5);                     \
    ILVR_B2_SH(in9, in8, in11, in10, temp4, temp5);                     \
    ILVRL_H2_SH(temp5, temp4, temp6, temp7);                            \
    ILVR_B2_SH(in13, in12, in15, in14, temp4, temp5);                   \
    ILVRL_H2_SH(temp5, temp4, temp8, temp9);                            \
    ILVRL_W2_SH(temp8, temp6, temp4, temp5);                            \
    ILVRL_W2_SH(temp9, temp7, temp6, temp7);                            \
    ILVL_B2_SH(in1, in0, in3, in2, temp8, temp9);                       \
    ILVR_D2_UB(temp4, temp0, temp5, temp1, in0, in2);                   \
    in1 = (v16u8)__msa_ilvl_d((v2i64)temp4, (v2i64)temp0);              \
    in3 = (v16u8)__msa_ilvl_d((v2i64)temp5, (v2i64)temp1);              \
    ILVL_B2_SH(in5, in4, in7, in6, temp0, temp1);                       \
    ILVR_D2_UB(temp6, temp2, temp7, temp3, in4, in6);                   \
    in5 = (v16u8)__msa_ilvl_d((v2i64)temp6, (v2i64)temp2);              \
    in7 = (v16u8)__msa_ilvl_d((v2i64)temp7, (v2i64)temp3);              \
    ILVL_B4_SH(in9, in8, in11, in10, in13, in12, in15, in14,            \
               temp2, temp3, temp4, temp5);                             \
    ILVR_H4_SH(temp9, temp8, temp1, temp0, temp3, temp2, temp5, temp4,  \
               temp6, temp7, temp8, temp9);                             \
    ILVR_W2_SH(temp7, temp6, temp9, temp8, temp0, temp1);               \
    in8 = (v16u8)__msa_ilvr_d((v2i64)temp1, (v2i64)temp0);              \
    in9 = (v16u8)__msa_ilvl_d((v2i64)temp1, (v2i64)temp0);              \
    ILVL_W2_SH(temp7, temp6, temp9, temp8, temp2, temp3);               \
    in10 = (v16u8)__msa_ilvr_d((v2i64)temp3, (v2i64)temp2);             \
    in11 = (v16u8)__msa_ilvl_d((v2i64)temp3, (v2i64)temp2);             \
}

#define VP8_TRANSPOSE12x8_UB_UB(in0, in1, in2, in3, in4, in5,    \
                                in6, in7, in8, in9, in10, in11)  \
{                                                                \
    v8i16 temp0, temp1, temp2, temp3;                            \
    v8i16 temp4, temp5, temp6, temp7;                            \
                                                                 \
    ILVR_B2_SH(in1, in0, in3, in2, temp0, temp1);                \
    ILVRL_H2_SH(temp1, temp0, temp2, temp3);                     \
    ILVR_B2_SH(in5, in4, in7, in6, temp0, temp1);                \
    ILVRL_H2_SH(temp1, temp0, temp4, temp5);                     \
    ILVRL_W2_SH(temp4, temp2, temp0, temp1);                     \
    ILVRL_W2_SH(temp5, temp3, temp2, temp3);                     \
    ILVL_B2_SH(in1, in0, in3, in2, temp4, temp5);                \
    temp4 = __msa_ilvr_h(temp5, temp4);                          \
    ILVL_B2_SH(in5, in4, in7, in6, temp6, temp7);                \
    temp5 = __msa_ilvr_h(temp7, temp6);                          \
    ILVRL_W2_SH(temp5, temp4, temp6, temp7);                     \
    in0 = (v16u8)temp0;                                          \
    in2 = (v16u8)temp1;                                          \
    in4 = (v16u8)temp2;                                          \
    in6 = (v16u8)temp3;                                          \
    in8 = (v16u8)temp6;                                          \
    in10 = (v16u8)temp7;                                         \
    in1 = (v16u8)__msa_ilvl_d((v2i64)temp0, (v2i64)temp0);       \
    in3 = (v16u8)__msa_ilvl_d((v2i64)temp1, (v2i64)temp1);       \
    in5 = (v16u8)__msa_ilvl_d((v2i64)temp2, (v2i64)temp2);       \
    in7 = (v16u8)__msa_ilvl_d((v2i64)temp3, (v2i64)temp3);       \
    in9 = (v16u8)__msa_ilvl_d((v2i64)temp6, (v2i64)temp6);       \
    in11 = (v16u8)__msa_ilvl_d((v2i64)temp7, (v2i64)temp7);      \
}

static void postproc_down_across_chroma_msa(uint8_t *src_ptr, uint8_t *dst_ptr,
                                            int32_t src_stride,
                                            int32_t dst_stride,
                                            int32_t cols, uint8_t *f)
{
    uint8_t *p_src = src_ptr;
    uint8_t *p_dst = dst_ptr;
    uint8_t *f_orig = f;
    uint8_t *p_dst_st = dst_ptr;
    uint16_t col;
    uint64_t out0, out1, out2, out3;
    v16u8 above2, above1, below2, below1, src, ref, ref_temp;
    v16u8 inter0, inter1, inter2, inter3, inter4, inter5;
    v16u8 inter6, inter7, inter8, inter9, inter10, inter11;

    for (col = (cols / 16); col--;)
    {
        ref = LD_UB(f);
        LD_UB2(p_src - 2 * src_stride, src_stride, above2, above1);
        src = LD_UB(p_src);
        LD_UB2(p_src + 1 * src_stride, src_stride, below1, below2);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter0);
        above2 = LD_UB(p_src + 3 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter1);
        above1 = LD_UB(p_src + 4 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter2);
        src = LD_UB(p_src + 5 * src_stride);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src, ref, inter3);
        below1 = LD_UB(p_src + 6 * src_stride);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1, ref, inter4);
        below2 = LD_UB(p_src + 7 * src_stride);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter5);
        above2 = LD_UB(p_src + 8 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter6);
        above1 = LD_UB(p_src + 9 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter7);
        ST_UB8(inter0, inter1, inter2, inter3, inter4, inter5, inter6, inter7,
               p_dst, dst_stride);

        p_dst += 16;
        p_src += 16;
        f += 16;
    }

    if (0 != (cols / 16))
    {
        ref = LD_UB(f);
        LD_UB2(p_src - 2 * src_stride, src_stride, above2, above1);
        src = LD_UB(p_src);
        LD_UB2(p_src + 1 * src_stride, src_stride, below1, below2);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter0);
        above2 = LD_UB(p_src + 3 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter1);
        above1 = LD_UB(p_src + 4 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter2);
        src = LD_UB(p_src + 5 * src_stride);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src, ref, inter3);
        below1 = LD_UB(p_src + 6 * src_stride);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1, ref, inter4);
        below2 = LD_UB(p_src + 7 * src_stride);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter5);
        above2 = LD_UB(p_src + 8 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter6);
        above1 = LD_UB(p_src + 9 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter7);
        out0 = __msa_copy_u_d((v2i64)inter0, 0);
        out1 = __msa_copy_u_d((v2i64)inter1, 0);
        out2 = __msa_copy_u_d((v2i64)inter2, 0);
        out3 = __msa_copy_u_d((v2i64)inter3, 0);
        SD4(out0, out1, out2, out3, p_dst, dst_stride);

        out0 = __msa_copy_u_d((v2i64)inter4, 0);
        out1 = __msa_copy_u_d((v2i64)inter5, 0);
        out2 = __msa_copy_u_d((v2i64)inter6, 0);
        out3 = __msa_copy_u_d((v2i64)inter7, 0);
        SD4(out0, out1, out2, out3, p_dst + 4 * dst_stride, dst_stride);
    }

    f = f_orig;
    p_dst = dst_ptr - 2;
    LD_UB8(p_dst, dst_stride,
           inter0, inter1, inter2, inter3, inter4, inter5, inter6, inter7);

    for (col = 0; col < (cols / 8); ++col)
    {
        ref = LD_UB(f);
        f += 8;
        VP8_TRANSPOSE12x8_UB_UB(inter0, inter1, inter2, inter3,
                                inter4, inter5, inter6, inter7,
                                inter8, inter9, inter10, inter11);
        if (0 == col)
        {
            above2 = inter2;
            above1 = inter2;
        }
        else
        {
            above2 = inter0;
            above1 = inter1;
        }
        src = inter2;
        below1 = inter3;
        below2 = inter4;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 0);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2,
                           ref_temp, inter2);
        above2 = inter5;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 1);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2,
                           ref_temp, inter3);
        above1 = inter6;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 2);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1,
                           ref_temp, inter4);
        src = inter7;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 3);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src,
                           ref_temp, inter5);
        below1 = inter8;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 4);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1,
                           ref_temp, inter6);
        below2 = inter9;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 5);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2,
                           ref_temp, inter7);
        if (col == (cols / 8 - 1))
        {
            above2 = inter9;
        }
        else
        {
            above2 = inter10;
        }
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 6);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2,
                           ref_temp, inter8);
        if (col == (cols / 8 - 1))
        {
            above1 = inter9;
        }
        else
        {
            above1 = inter11;
        }
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 7);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1,
                           ref_temp, inter9);
        TRANSPOSE8x8_UB_UB(inter2, inter3, inter4, inter5, inter6, inter7,
                           inter8, inter9, inter2, inter3, inter4, inter5,
                           inter6, inter7, inter8, inter9);
        p_dst += 8;
        LD_UB2(p_dst, dst_stride, inter0, inter1);
        ST8x1_UB(inter2, p_dst_st);
        ST8x1_UB(inter3, (p_dst_st + 1 * dst_stride));
        LD_UB2(p_dst + 2 * dst_stride, dst_stride, inter2, inter3);
        ST8x1_UB(inter4, (p_dst_st + 2 * dst_stride));
        ST8x1_UB(inter5, (p_dst_st + 3 * dst_stride));
        LD_UB2(p_dst + 4 * dst_stride, dst_stride, inter4, inter5);
        ST8x1_UB(inter6, (p_dst_st + 4 * dst_stride));
        ST8x1_UB(inter7, (p_dst_st + 5 * dst_stride));
        LD_UB2(p_dst + 6 * dst_stride, dst_stride, inter6, inter7);
        ST8x1_UB(inter8, (p_dst_st + 6 * dst_stride));
        ST8x1_UB(inter9, (p_dst_st + 7 * dst_stride));
        p_dst_st += 8;
    }
}

static void postproc_down_across_luma_msa(uint8_t *src_ptr, uint8_t *dst_ptr,
                                          int32_t src_stride,
                                          int32_t dst_stride,
                                          int32_t cols, uint8_t *f)
{
    uint8_t *p_src = src_ptr;
    uint8_t *p_dst = dst_ptr;
    uint8_t *p_dst_st = dst_ptr;
    uint8_t *f_orig = f;
    uint16_t col;
    v16u8 above2, above1, below2, below1;
    v16u8 src, ref, ref_temp;
    v16u8 inter0, inter1, inter2, inter3, inter4, inter5, inter6;
    v16u8 inter7, inter8, inter9, inter10, inter11;
    v16u8 inter12, inter13, inter14, inter15;

    for (col = (cols / 16); col--;)
    {
        ref = LD_UB(f);
        LD_UB2(p_src - 2 * src_stride, src_stride, above2, above1);
        src = LD_UB(p_src);
        LD_UB2(p_src + 1 * src_stride, src_stride, below1, below2);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter0);
        above2 = LD_UB(p_src + 3 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter1);
        above1 = LD_UB(p_src + 4 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter2);
        src = LD_UB(p_src + 5 * src_stride);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src, ref, inter3);
        below1 = LD_UB(p_src + 6 * src_stride);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1, ref, inter4);
        below2 = LD_UB(p_src + 7 * src_stride);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter5);
        above2 = LD_UB(p_src + 8 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter6);
        above1 = LD_UB(p_src + 9 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter7);
        src = LD_UB(p_src + 10 * src_stride);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src, ref, inter8);
        below1 = LD_UB(p_src + 11 * src_stride);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1, ref, inter9);
        below2 = LD_UB(p_src + 12 * src_stride);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter10);
        above2 = LD_UB(p_src + 13 * src_stride);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2, ref, inter11);
        above1 = LD_UB(p_src + 14 * src_stride);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1, ref, inter12);
        src = LD_UB(p_src + 15 * src_stride);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src, ref, inter13);
        below1 = LD_UB(p_src + 16 * src_stride);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1, ref, inter14);
        below2 = LD_UB(p_src + 17 * src_stride);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2, ref, inter15);
        ST_UB8(inter0, inter1, inter2, inter3, inter4, inter5, inter6, inter7,
               p_dst, dst_stride);
        ST_UB8(inter8, inter9, inter10, inter11, inter12, inter13,
               inter14, inter15, p_dst + 8 * dst_stride, dst_stride);
        p_src += 16;
        p_dst += 16;
        f += 16;
    }

    f = f_orig;
    p_dst = dst_ptr - 2;
    LD_UB8(p_dst, dst_stride,
           inter0, inter1, inter2, inter3, inter4, inter5, inter6, inter7);
    LD_UB8(p_dst + 8 * dst_stride, dst_stride,
           inter8, inter9, inter10, inter11, inter12, inter13,
           inter14, inter15);

    for (col = 0; col < cols / 8; ++col)
    {
        ref = LD_UB(f);
        f += 8;
        TRANSPOSE12x16_B(inter0, inter1, inter2, inter3, inter4, inter5,
                         inter6, inter7, inter8, inter9, inter10, inter11,
                         inter12, inter13, inter14, inter15);
        if (0 == col)
        {
            above2 = inter2;
            above1 = inter2;
        }
        else
        {
            above2 = inter0;
            above1 = inter1;
        }

        src = inter2;
        below1 = inter3;
        below2 = inter4;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 0);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2,
                           ref_temp, inter2);
        above2 = inter5;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 1);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2,
                           ref_temp, inter3);
        above1 = inter6;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 2);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1,
                           ref_temp, inter4);
        src = inter7;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 3);
        VP8_AVER_IF_RETAIN(below1, below2, above2, above1, src,
                           ref_temp, inter5);
        below1 = inter8;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 4);
        VP8_AVER_IF_RETAIN(below2, above2, above1, src, below1,
                           ref_temp, inter6);
        below2 = inter9;
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 5);
        VP8_AVER_IF_RETAIN(above2, above1, src, below1, below2,
                           ref_temp, inter7);
        if (col == (cols / 8 - 1))
        {
            above2 = inter9;
        }
        else
        {
            above2 = inter10;
        }
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 6);
        VP8_AVER_IF_RETAIN(above1, src, below1, below2, above2,
                           ref_temp, inter8);
        if (col == (cols / 8 - 1))
        {
            above1 = inter9;
        }
        else
        {
            above1 = inter11;
        }
        ref_temp = (v16u8)__msa_splati_b((v16i8)ref, 7);
        VP8_AVER_IF_RETAIN(src, below1, below2, above2, above1,
                           ref_temp, inter9);
        VP8_TRANSPOSE8x16_UB_UB(inter2, inter3, inter4, inter5,
                                inter6, inter7, inter8, inter9,
                                inter2, inter3, inter4, inter5,
                                inter6, inter7, inter8, inter9,
                                inter10, inter11, inter12, inter13,
                                inter14, inter15, above2, above1);

        p_dst += 8;
        LD_UB2(p_dst, dst_stride, inter0, inter1);
        ST8x1_UB(inter2, p_dst_st);
        ST8x1_UB(inter3, (p_dst_st + 1 * dst_stride));
        LD_UB2(p_dst + 2 * dst_stride, dst_stride, inter2, inter3);
        ST8x1_UB(inter4, (p_dst_st + 2 * dst_stride));
        ST8x1_UB(inter5, (p_dst_st + 3 * dst_stride));
        LD_UB2(p_dst + 4 * dst_stride, dst_stride, inter4, inter5);
        ST8x1_UB(inter6, (p_dst_st + 4 * dst_stride));
        ST8x1_UB(inter7, (p_dst_st + 5 * dst_stride));
        LD_UB2(p_dst + 6 * dst_stride, dst_stride, inter6, inter7);
        ST8x1_UB(inter8, (p_dst_st + 6 * dst_stride));
        ST8x1_UB(inter9, (p_dst_st + 7 * dst_stride));
        LD_UB2(p_dst + 8 * dst_stride, dst_stride, inter8, inter9);
        ST8x1_UB(inter10, (p_dst_st + 8 * dst_stride));
        ST8x1_UB(inter11, (p_dst_st + 9 * dst_stride));
        LD_UB2(p_dst + 10 * dst_stride, dst_stride, inter10, inter11);
        ST8x1_UB(inter12, (p_dst_st + 10 * dst_stride));
        ST8x1_UB(inter13, (p_dst_st + 11 * dst_stride));
        LD_UB2(p_dst + 12 * dst_stride, dst_stride, inter12, inter13);
        ST8x1_UB(inter14, (p_dst_st + 12 * dst_stride));
        ST8x1_UB(inter15, (p_dst_st + 13 * dst_stride));
        LD_UB2(p_dst + 14 * dst_stride, dst_stride, inter14, inter15);
        ST8x1_UB(above2, (p_dst_st + 14 * dst_stride));
        ST8x1_UB(above1, (p_dst_st + 15 * dst_stride));
        p_dst_st += 8;
    }
}

void vp8_post_proc_down_and_across_mb_row_msa(uint8_t *src, uint8_t *dst,
                                              int32_t src_stride,
                                              int32_t dst_stride,
                                              int32_t cols, uint8_t *f,
                                              int32_t size)
{
    if (8 == size)
    {
        postproc_down_across_chroma_msa(src, dst, src_stride, dst_stride,
                                        cols, f);
    }
    else if (16 == size)
    {
        postproc_down_across_luma_msa(src, dst, src_stride, dst_stride,
                                      cols, f);
    }
}

void vp8_mbpost_proc_across_ip_msa(uint8_t *src_ptr, int32_t pitch,
                                   int32_t rows, int32_t cols, int32_t flimit)
{
    int32_t row, col, cnt;
    uint8_t *src_dup = src_ptr;
    v16u8 src0, src, tmp_orig;
    v16u8 tmp = { 0 };
    v16i8 zero = { 0 };
    v8u16 sum_h, src_r_h, src_l_h;
    v4u32 src_r_w, src_l_w;
    v4i32 flimit_vec;

    flimit_vec = __msa_fill_w(flimit);
    for (row = rows; row--;)
    {
        int32_t sum_sq = 0;
        int32_t sum = 0;
        src0 = (v16u8)__msa_fill_b(src_dup[0]);
        ST8x1_UB(src0, (src_dup - 8));

        src0 = (v16u8)__msa_fill_b(src_dup[cols - 1]);
        ST_UB(src0, src_dup + cols);
        src_dup[cols + 16] = src_dup[cols - 1];
        tmp_orig = (v16u8)__msa_ldi_b(0);
        tmp_orig[15] = tmp[15];
        src = LD_UB(src_dup - 8);
        src[15] = 0;
        ILVRL_B2_UH(zero, src, src_r_h, src_l_h);
        src_r_w = __msa_dotp_u_w(src_r_h, src_r_h);
        src_l_w = __msa_dotp_u_w(src_l_h, src_l_h);
        sum_sq = HADD_SW_S32(src_r_w);
        sum_sq += HADD_SW_S32(src_l_w);
        sum_h = __msa_hadd_u_h(src, src);
        sum = HADD_UH_U32(sum_h);
        {
            v16u8 src7, src8, src_r, src_l;
            v16i8 mask;
            v8u16 add_r, add_l;
            v8i16 sub_r, sub_l, sum_r, sum_l, mask0, mask1;
            v4i32 sum_sq0, sum_sq1, sum_sq2, sum_sq3;
            v4i32 sub0, sub1, sub2, sub3;
            v4i32 sum0_w, sum1_w, sum2_w, sum3_w;
            v4i32 mul0, mul1, mul2, mul3;
            v4i32 total0, total1, total2, total3;
            v8i16 const8 = __msa_fill_h(8);

            src7 = LD_UB(src_dup + 7);
            src8 = LD_UB(src_dup - 8);
            for (col = 0; col < (cols >> 4); ++col)
            {
                ILVRL_B2_UB(src7, src8, src_r, src_l);
                HSUB_UB2_SH(src_r, src_l, sub_r, sub_l);

                sum_r[0] = sum + sub_r[0];
                for (cnt = 0; cnt < 7; ++cnt)
                {
                    sum_r[cnt + 1] = sum_r[cnt] + sub_r[cnt + 1];
                }
                sum_l[0] = sum_r[7] + sub_l[0];
                for (cnt = 0; cnt < 7; ++cnt)
                {
                    sum_l[cnt + 1] = sum_l[cnt] + sub_l[cnt + 1];
                }
                sum = sum_l[7];
                src = LD_UB(src_dup + 16 * col);
                ILVRL_B2_UH(zero, src, src_r_h, src_l_h);
                src7 = (v16u8)((const8 + sum_r + (v8i16)src_r_h) >> 4);
                src8 = (v16u8)((const8 + sum_l + (v8i16)src_l_h) >> 4);
                tmp = (v16u8)__msa_pckev_b((v16i8)src8, (v16i8)src7);

                HADD_UB2_UH(src_r, src_l, add_r, add_l);
                UNPCK_SH_SW(sub_r, sub0, sub1);
                UNPCK_SH_SW(sub_l, sub2, sub3);
                ILVR_H2_SW(zero, add_r, zero, add_l, sum0_w, sum2_w);
                ILVL_H2_SW(zero, add_r, zero, add_l, sum1_w, sum3_w);
                MUL4(sum0_w, sub0, sum1_w, sub1, sum2_w, sub2, sum3_w, sub3,
                     mul0, mul1, mul2, mul3);
                sum_sq0[0] = sum_sq + mul0[0];
                for (cnt = 0; cnt < 3; ++cnt)
                {
                    sum_sq0[cnt + 1] = sum_sq0[cnt] + mul0[cnt + 1];
                }
                sum_sq1[0] = sum_sq0[3] + mul1[0];
                for (cnt = 0; cnt < 3; ++cnt)
                {
                    sum_sq1[cnt + 1] = sum_sq1[cnt] + mul1[cnt + 1];
                }
                sum_sq2[0] = sum_sq1[3] + mul2[0];
                for (cnt = 0; cnt < 3; ++cnt)
                {
                    sum_sq2[cnt + 1] = sum_sq2[cnt] + mul2[cnt + 1];
                }
                sum_sq3[0] = sum_sq2[3] + mul3[0];
                for (cnt = 0; cnt < 3; ++cnt)
                {
                    sum_sq3[cnt + 1] = sum_sq3[cnt] + mul3[cnt + 1];
                }
                sum_sq = sum_sq3[3];

                UNPCK_SH_SW(sum_r, sum0_w, sum1_w);
                UNPCK_SH_SW(sum_l, sum2_w, sum3_w);
                total0 = sum_sq0 * __msa_ldi_w(15);
                total0 -= sum0_w * sum0_w;
                total1 = sum_sq1 * __msa_ldi_w(15);
                total1 -= sum1_w * sum1_w;
                total2 = sum_sq2 * __msa_ldi_w(15);
                total2 -= sum2_w * sum2_w;
                total3 = sum_sq3 * __msa_ldi_w(15);
                total3 -= sum3_w * sum3_w;
                total0 = (total0 < flimit_vec);
                total1 = (total1 < flimit_vec);
                total2 = (total2 < flimit_vec);
                total3 = (total3 < flimit_vec);
                PCKEV_H2_SH(total1, total0, total3, total2, mask0, mask1);
                mask = __msa_pckev_b((v16i8)mask1, (v16i8)mask0);
                tmp = __msa_bmz_v(tmp, src, (v16u8)mask);

                if (col == 0)
                {
                    uint64_t src_d;

                    src_d = __msa_copy_u_d((v2i64)tmp_orig, 1);
                    SD(src_d, (src_dup - 8));
                }

                src7 = LD_UB(src_dup + 16 * (col + 1) + 7);
                src8 = LD_UB(src_dup + 16 * (col + 1) - 8);
                ST_UB(tmp, (src_dup + (16 * col)));
            }

            src_dup += pitch;
        }
    }
}

void vp8_mbpost_proc_down_msa(uint8_t *dst_ptr, int32_t pitch, int32_t rows,
                              int32_t cols, int32_t flimit)
{
    int32_t row, col, cnt, i;
    const int16_t *rv3 = &vp8_rv_msa[63 & rand()];
    v4i32 flimit_vec;
    v16u8 dst7, dst8, dst_r_b, dst_l_b;
    v16i8 mask;
    v8u16 add_r, add_l;
    v8i16 dst_r_h, dst_l_h, sub_r, sub_l, mask0, mask1;
    v4i32 sub0, sub1, sub2, sub3, total0, total1, total2, total3;

    flimit_vec = __msa_fill_w(flimit);

    for (col = 0; col < (cols >> 4); ++col)
    {
        uint8_t *dst_tmp = &dst_ptr[col << 4];
        v16u8 dst;
        v16i8 zero = { 0 };
        v16u8 tmp[16];
        v8i16 mult0, mult1, rv2_0, rv2_1;
        v8i16 sum0_h = { 0 };
        v8i16 sum1_h = { 0 };
        v4i32 mul0 = { 0 };
        v4i32 mul1 = { 0 };
        v4i32 mul2 = { 0 };
        v4i32 mul3 = { 0 };
        v4i32 sum0_w, sum1_w, sum2_w, sum3_w;
        v4i32 add0, add1, add2, add3;
        const int16_t *rv2[16];

        dst = LD_UB(dst_tmp);
        for (cnt = (col << 4), i = 0; i < 16; ++cnt)
        {
            rv2[i] = rv3 + ((cnt * 17) & 127);
            ++i;
        }
        for (cnt = -8; cnt < 0; ++cnt)
        {
            ST_UB(dst, dst_tmp + cnt * pitch);
        }

        dst = LD_UB((dst_tmp + (rows - 1) * pitch));
        for (cnt = rows; cnt < rows + 17; ++cnt)
        {
            ST_UB(dst, dst_tmp + cnt * pitch);
        }
        for (cnt = -8; cnt <= 6; ++cnt)
        {
            dst = LD_UB(dst_tmp + (cnt * pitch));
            UNPCK_UB_SH(dst, dst_r_h, dst_l_h);
            MUL2(dst_r_h, dst_r_h, dst_l_h, dst_l_h, mult0, mult1);
            mul0 += (v4i32)__msa_ilvr_h((v8i16)zero, (v8i16)mult0);
            mul1 += (v4i32)__msa_ilvl_h((v8i16)zero, (v8i16)mult0);
            mul2 += (v4i32)__msa_ilvr_h((v8i16)zero, (v8i16)mult1);
            mul3 += (v4i32)__msa_ilvl_h((v8i16)zero, (v8i16)mult1);
            ADD2(sum0_h, dst_r_h, sum1_h, dst_l_h, sum0_h, sum1_h);
        }

        for (row = 0; row < (rows + 8); ++row)
        {
            for (i = 0; i < 8; ++i)
            {
                rv2_0[i] = *(rv2[i] + (row & 127));
                rv2_1[i] = *(rv2[i + 8] + (row & 127));
            }
            dst7 = LD_UB(dst_tmp + (7 * pitch));
            dst8 = LD_UB(dst_tmp - (8 * pitch));
            ILVRL_B2_UB(dst7, dst8, dst_r_b, dst_l_b);

            HSUB_UB2_SH(dst_r_b, dst_l_b, sub_r, sub_l);
            UNPCK_SH_SW(sub_r, sub0, sub1);
            UNPCK_SH_SW(sub_l, sub2, sub3);
            sum0_h += sub_r;
            sum1_h += sub_l;

            HADD_UB2_UH(dst_r_b, dst_l_b, add_r, add_l);

            ILVRL_H2_SW(zero, add_r, add0, add1);
            ILVRL_H2_SW(zero, add_l, add2, add3);
            mul0 += add0 * sub0;
            mul1 += add1 * sub1;
            mul2 += add2 * sub2;
            mul3 += add3 * sub3;
            dst = LD_UB(dst_tmp);
            ILVRL_B2_SH(zero, dst, dst_r_h, dst_l_h);
            dst7 = (v16u8)((rv2_0 + sum0_h + dst_r_h) >> 4);
            dst8 = (v16u8)((rv2_1 + sum1_h + dst_l_h) >> 4);
            tmp[row & 15] = (v16u8)__msa_pckev_b((v16i8)dst8, (v16i8)dst7);

            UNPCK_SH_SW(sum0_h, sum0_w, sum1_w);
            UNPCK_SH_SW(sum1_h, sum2_w, sum3_w);
            total0 = mul0 * __msa_ldi_w(15);
            total0 -= sum0_w * sum0_w;
            total1 = mul1 * __msa_ldi_w(15);
            total1 -= sum1_w * sum1_w;
            total2 = mul2 * __msa_ldi_w(15);
            total2 -= sum2_w * sum2_w;
            total3 = mul3 * __msa_ldi_w(15);
            total3 -= sum3_w * sum3_w;
            total0 = (total0 < flimit_vec);
            total1 = (total1 < flimit_vec);
            total2 = (total2 < flimit_vec);
            total3 = (total3 < flimit_vec);
            PCKEV_H2_SH(total1, total0, total3, total2, mask0, mask1);
            mask = __msa_pckev_b((v16i8)mask1, (v16i8)mask0);
            tmp[row & 15] = __msa_bmz_v(tmp[row & 15], dst, (v16u8)mask);

            if (row >= 8)
            {
                ST_UB(tmp[(row - 8) & 15], (dst_tmp - 8 * pitch));
            }

            dst_tmp += pitch;
        }
    }
}