/*
 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */



#include "vis_proto.h"
#include "mlib_image.h"
#include "mlib_v_ImageLookUpFunc.h"

/***************************************************************/
static void mlib_v_ImageLookUpSI_S32_S16_2_DstA8D1(const mlib_s32 *src,
                                                   mlib_s16       *dst,
                                                   mlib_s32       xsize,
                                                   const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_2_D1(const mlib_s32 *src,
                                              mlib_s16       *dst,
                                              mlib_s32       xsize,
                                              const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_3_D1(const mlib_s32 *src,
                                              mlib_s16       *dst,
                                              mlib_s32       xsize,
                                              const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_4_DstOff0_D1(const mlib_s32 *src,
                                                      mlib_s16       *dst,
                                                      mlib_s32       xsize,
                                                      const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_4_DstOff1_D1(const mlib_s32 *src,
                                                      mlib_s16       *dst,
                                                      mlib_s32       xsize,
                                                      const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_4_DstOff2_D1(const mlib_s32 *src,
                                                      mlib_s16       *dst,
                                                      mlib_s32       xsize,
                                                      const mlib_s16 **table);

static void mlib_v_ImageLookUpSI_S32_S16_4_DstOff3_D1(const mlib_s32 *src,
                                                      mlib_s16       *dst,
                                                      mlib_s32       xsize,
                                                      const mlib_s16 **table);

/***************************************************************/
#define VIS_LD_U16_I(X, Y)      vis_ld_u16_i((void *)(X), (Y))

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_2_DstA8D1(const mlib_s32 *src,
                                            mlib_s16       *dst,
                                            mlib_s32       xsize,
                                            const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0, s1;                     /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2;                 /* destination data */
  mlib_d64 t3, acc;                    /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  if (xsize >= 2) {

    s0 = sp[0];
    s1 = sp[1];
    sp += 2;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 4; i += 2, sp += 2) {
      t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
      t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
      t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
      t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = sp[0];
      s1 = sp[1];
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
    t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    *dp++ = acc;
  }

  if ((xsize & 1) != 0) {
    s0 = sp[0];
    t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    *(mlib_f32 *) dp = vis_read_hi(acc);
  }
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_2_D1(const mlib_s32 *src,
                                       mlib_s16       *dst,
                                       mlib_s32       xsize,
                                       const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0, s1, s2;                 /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2;                 /* destination data */
  mlib_d64 t3, acc;                    /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];

  sp = (void *)src;
  dl = dst;

  vis_alignaddr((void *)0, 6);

  s0 = *sp++;
  *dl++ = tab0[s0];
  dp = (mlib_d64 *) dl;
  xsize--;

  if (xsize >= 2) {

    s1 = sp[0];
    s2 = sp[1];
    sp += 2;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 4; i += 2, sp += 2) {
      t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s2));
      t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
      t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
      t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = s2;
      s1 = sp[0];
      s2 = sp[1];
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s2));
    t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
    t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    s0 = s2;
    *dp++ = acc;
  }

  dl = (mlib_s16 *) dp;

  if ((xsize & 1) != 0) {
    s1 = sp[0];
    t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    *(mlib_f32 *) dp = vis_read_hi(acc);
    s0 = s1;
    dl += 2;
  }

  *dl = tab1[s0];
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_2(const mlib_s32 *src,
                                    mlib_s32       slb,
                                    mlib_s16       *dst,
                                    mlib_s32       dlb,
                                    mlib_s32       xsize,
                                    mlib_s32       ysize,
                                    const mlib_s16 **table)
{
  mlib_s32 *sl;
  mlib_s16 *dl;
  mlib_s32 j;
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];

  sl = (void *)src;
  dl = dst;

  /* row loop */
  for (j = 0; j < ysize; j++) {
    mlib_s32 *sp = sl;
    mlib_s16 *dp = dl;
    mlib_s32 off, s0, size = xsize;

    off = (mlib_s32) (((8 - ((mlib_addr) dp & 7)) & 7));

    if ((off >= 4) && (size > 0)) {
      s0 = *sp++;
      *dp++ = tab0[s0];
      *dp++ = tab1[s0];
      size--;
    }

    if (size > 0) {

      if (((mlib_addr) dp & 7) == 0) {
        mlib_v_ImageLookUpSI_S32_S16_2_DstA8D1(sp, dp, size, table);
      }
      else {
        mlib_v_ImageLookUpSI_S32_S16_2_D1(sp, dp, size, table);
      }
    }

    sl = (mlib_s32 *) ((mlib_u8 *) sl + slb);
    dl = (mlib_s16 *) ((mlib_u8 *) dl + dlb);
  }
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_3_D1(const mlib_s32 *src,
                                       mlib_s16       *dst,
                                       mlib_s32       xsize,
                                       const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2, t3;             /* destination data */
  mlib_d64 acc0, acc1, acc2;           /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];
  mlib_s32 s00, s01, s02, s03;

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  i = 0;

  if (xsize >= 4) {

    s00 = sp[0];
    s01 = sp[1];
    s02 = sp[2];
    s03 = sp[3];
    sp += 4;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 8; i += 4, sp += 4) {
      t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s01));
      t2 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s00));
      t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s00));
      t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s00));
      acc0 = vis_faligndata(t3, acc0);
      acc0 = vis_faligndata(t2, acc0);
      acc0 = vis_faligndata(t1, acc0);
      acc0 = vis_faligndata(t0, acc0);
      t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s02));
      t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s02));
      t1 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s01));
      t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s01));
      acc1 = vis_faligndata(t3, acc1);
      acc1 = vis_faligndata(t2, acc1);
      acc1 = vis_faligndata(t1, acc1);
      acc1 = vis_faligndata(t0, acc1);
      t3 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s03));
      t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s03));
      t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s03));
      t0 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s02));
      acc2 = vis_faligndata(t3, acc2);
      acc2 = vis_faligndata(t2, acc2);
      acc2 = vis_faligndata(t1, acc2);
      acc2 = vis_faligndata(t0, acc2);
      s00 = sp[0];
      s01 = sp[1];
      s02 = sp[2];
      s03 = sp[3];
      *dp++ = acc0;
      *dp++ = acc1;
      *dp++ = acc2;
    }

    t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s01));
    t2 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s00));
    t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s00));
    t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s00));
    acc0 = vis_faligndata(t3, acc0);
    acc0 = vis_faligndata(t2, acc0);
    acc0 = vis_faligndata(t1, acc0);
    acc0 = vis_faligndata(t0, acc0);
    t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s02));
    t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s02));
    t1 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s01));
    t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s01));
    acc1 = vis_faligndata(t3, acc1);
    acc1 = vis_faligndata(t2, acc1);
    acc1 = vis_faligndata(t1, acc1);
    acc1 = vis_faligndata(t0, acc1);
    t3 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s03));
    t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s03));
    t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s03));
    t0 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s02));
    acc2 = vis_faligndata(t3, acc2);
    acc2 = vis_faligndata(t2, acc2);
    acc2 = vis_faligndata(t1, acc2);
    acc2 = vis_faligndata(t0, acc2);
    *dp++ = acc0;
    *dp++ = acc1;
    *dp++ = acc2;
    i += 4;
  }

  dl = (mlib_s16 *) dp;

#pragma pipeloop(0)
  for (; i < xsize; i++) {
    s00 = sp[0];
    dl[0] = tab0[s00];
    dl[1] = tab1[s00];
    dl[2] = tab2[s00];
    dl += 3;
    sp++;
  }
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_3(const mlib_s32 *src,
                                    mlib_s32       slb,
                                    mlib_s16       *dst,
                                    mlib_s32       dlb,
                                    mlib_s32       xsize,
                                    mlib_s32       ysize,
                                    const mlib_s16 **table)
{
  mlib_s32 *sl;
  mlib_s16 *dl;
  mlib_s32 i, j;
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];

  sl = (void *)src;
  dl = dst;

  /* row loop */
  for (j = 0; j < ysize; j++) {
    mlib_s32 *sp = sl;
    mlib_s16 *dp = dl;
    mlib_s32 off, s0, size = xsize;

    off = (mlib_s32) (((mlib_addr) dp & 7) >> 1);
    off = (off < size) ? off : size;

    for (i = 0; i < off; i++) {
      s0 = *sp++;
      *dp++ = tab0[s0];
      *dp++ = tab1[s0];
      *dp++ = tab2[s0];
      size--;
    }

    if (size > 0) {
      mlib_v_ImageLookUpSI_S32_S16_3_D1(sp, dp, size, table);
    }

    sl = (mlib_s32 *) ((mlib_u8 *) sl + slb);
    dl = (mlib_s16 *) ((mlib_u8 *) dl + dlb);
  }
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_4_DstOff0_D1(const mlib_s32 *src,
                                               mlib_s16       *dst,
                                               mlib_s32       xsize,
                                               const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0;                         /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2, t3;             /* destination data */
  mlib_d64 acc;                        /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];
  const mlib_s16 *tab3 = &table[3][shift];

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  if (xsize >= 1) {

    s0 = *sp++;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 2; i++) {
      t3 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
      t2 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
      t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
      t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = *sp++;
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
    t2 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
    t1 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    t0 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    *dp++ = acc;
  }
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_4_DstOff1_D1(const mlib_s32 *src,
                                               mlib_s16       *dst,
                                               mlib_s32       xsize,
                                               const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0, s1;                     /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2, t3;             /* destination data */
  mlib_d64 acc;                        /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];
  const mlib_s16 *tab3 = &table[3][shift];

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  s0 = *sp++;

  if (xsize >= 1) {

    s1 = *sp++;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 2; i++) {
      t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
      t2 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
      t1 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
      t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = s1;
      s1 = *sp++;
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t2 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
    t1 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
    t0 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    s0 = s1;
    *dp++ = acc;
  }

  dl = (mlib_s16 *) dp;

  dl[0] = tab1[s0];
  dl[1] = tab2[s0];
  dl[2] = tab3[s0];
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_4_DstOff2_D1(const mlib_s32 *src,
                                               mlib_s16       *dst,
                                               mlib_s32       xsize,
                                               const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0, s1;                     /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2, t3;             /* destination data */
  mlib_d64 acc;                        /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];
  const mlib_s16 *tab3 = &table[3][shift];

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  s0 = *sp++;

  if (xsize >= 1) {

    s1 = *sp++;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 2; i++) {
      t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
      t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
      t1 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
      t0 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = s1;
      s1 = *sp++;
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
    t2 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t1 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
    t0 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    s0 = s1;
    *dp++ = acc;
  }

  dl = (mlib_s16 *) dp;

  dl[0] = tab2[s0];
  dl[1] = tab3[s0];
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_4_DstOff3_D1(const mlib_s32 *src,
                                               mlib_s16       *dst,
                                               mlib_s32       xsize,
                                               const mlib_s16 **table)
{
  mlib_s32 *sp;                        /* pointer to source data */
  mlib_s32 s0, s1;                     /* source data */
  mlib_s16 *dl;                        /* pointer to start of destination */
  mlib_d64 *dp;                        /* aligned pointer to destination */
  mlib_d64 t0, t1, t2, t3;             /* destination data */
  mlib_d64 acc;                        /* destination data */
  mlib_s32 i;                          /* loop variable */
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];
  const mlib_s16 *tab3 = &table[3][shift];

  sp = (void *)src;
  dl = dst;
  dp = (mlib_d64 *) dl;

  vis_alignaddr((void *)0, 6);

  s0 = *sp++;

  if (xsize >= 1) {

    s1 = *sp++;

#pragma pipeloop(0)
    for (i = 0; i <= xsize - 2; i++) {
      t3 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s1));
      t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
      t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
      t0 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
      acc = vis_faligndata(t3, acc);
      acc = vis_faligndata(t2, acc);
      acc = vis_faligndata(t1, acc);
      acc = vis_faligndata(t0, acc);
      s0 = s1;
      s1 = *sp++;
      *dp++ = acc;
    }

    t3 = VIS_LD_U16_I(tab2, ((mlib_addr) 2 * s1));
    t2 = VIS_LD_U16_I(tab1, ((mlib_addr) 2 * s1));
    t1 = VIS_LD_U16_I(tab0, ((mlib_addr) 2 * s1));
    t0 = VIS_LD_U16_I(tab3, ((mlib_addr) 2 * s0));
    acc = vis_faligndata(t3, acc);
    acc = vis_faligndata(t2, acc);
    acc = vis_faligndata(t1, acc);
    acc = vis_faligndata(t0, acc);
    s0 = s1;
    *dp++ = acc;
  }

  dl = (mlib_s16 *) dp;

  dl[0] = tab3[s0];
}

/***************************************************************/
void mlib_v_ImageLookUpSI_S32_S16_4(const mlib_s32 *src,
                                    mlib_s32       slb,
                                    mlib_s16       *dst,
                                    mlib_s32       dlb,
                                    mlib_s32       xsize,
                                    mlib_s32       ysize,
                                    const mlib_s16 **table)
{
  mlib_s32 *sl;
  mlib_s16 *dl;
  mlib_s32 j;
  mlib_u32 shift = 2147483648u;
  const mlib_s16 *tab0 = &table[0][shift];
  const mlib_s16 *tab1 = &table[1][shift];
  const mlib_s16 *tab2 = &table[2][shift];

  sl = (void *)src;
  dl = dst;

  /* row loop */
  for (j = 0; j < ysize; j++) {
    mlib_s32 *sp = sl;
    mlib_s16 *dp = dl;
    mlib_s32 off, s0, size = xsize;

    if (size > 0) {
      off = (mlib_s32) (((8 - ((mlib_addr) dp & 7)) & 7) >> 1);

      if (off == 0) {
        mlib_v_ImageLookUpSI_S32_S16_4_DstOff0_D1(sp, dp, size, table);
      }
      else if (off == 1) {
        s0 = *sp;
        *dp++ = tab0[s0];
        size--;
        mlib_v_ImageLookUpSI_S32_S16_4_DstOff1_D1(sp, dp, size, table);
      }
      else if (off == 2) {
        s0 = *sp;
        *dp++ = tab0[s0];
        *dp++ = tab1[s0];
        size--;
        mlib_v_ImageLookUpSI_S32_S16_4_DstOff2_D1(sp, dp, size, table);
      }
      else if (off == 3) {
        s0 = *sp;
        *dp++ = tab0[s0];
        *dp++ = tab1[s0];
        *dp++ = tab2[s0];
        size--;
        mlib_v_ImageLookUpSI_S32_S16_4_DstOff3_D1(sp, dp, size, table);
      }
    }

    sl = (mlib_s32 *) ((mlib_u8 *) sl + slb);
    dl = (mlib_s16 *) ((mlib_u8 *) dl + dlb);
  }
}

/***************************************************************/