ihevc_itrans_recon_sse42_intr.c - Android社区 - https://www.androidos.net.cn/

/******************************************************************************
*
* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/**
 *******************************************************************************
 * @file
 *  ihevc_itrans_recon_x86_intr.c
 *
 * @brief
 *  Contains function definitions for inverse  quantization, inverse
 * transform and reconstruction
 *
 * @author
 *  100470
 *  100592 (edited by)
 *
 * @par List of Functions:
 *  - ihevc_itrans_recon_4x4_ttype1_sse42()
 *  - ihevc_itrans_recon_4x4_sse42()
 *  - ihevc_itrans_recon_8x8_sse42()
 *
 * @remarks
 *  None
 *
 *******************************************************************************
 */
#include <stdio.h>
#include <string.h>
#include "ihevc_typedefs.h"
#include "ihevc_macros.h"
#include "ihevc_platform_macros.h"
#include "ihevc_defs.h"
#include "ihevc_trans_tables.h"
#include "ihevc_iquant_itrans_recon.h"
#include "ihevc_func_selector.h"
#include "ihevc_trans_macros.h"

#include <immintrin.h>
#include <emmintrin.h>
#include <smmintrin.h>
#include <tmmintrin.h>

/**
 *******************************************************************************
 *
 * @brief
 *  This function performs inverse quantization, inverse  transform
 * type1(DST) and reconstruction for 4x4  input block
 *
 * @par Description:
 *  Performs inverse quantization , inverse transform type 1  and adds
 * prediction data and clips output to 8 bit
 *
 * @param[in] pi2_src
 *  Input 4x4 coefficients
 *
 * @param[in] pi2_tmp
 *  Temporary 4x4 buffer for storing inverse
 *  transform 1st stage output
 *
 * @param[in] pu1_pred
 *  Prediction 4x4 block
 *
 * @param[in] pi2_dequant_coeff
 *  Dequant Coeffs
 *
 * @param[out] pu1_dst
 *  Output 4x4 block
 *
 * @param[in] qp_div
 *  Quantization parameter / 6
 *
 * @param[in] qp_rem
 *  Quantization parameter % 6
 *
 * @param[in] src_strd
 *  Input stride
 *
 * @param[in] pred_strd
 *  Prediction stride
 *
 * @param[in] dst_strd
 *  Output Stride
 *
 * @param[in] zero_cols
 *  Zero columns in pi2_src
 *
 * @returns  Void
 *
 * @remarks
 *  None
 *
 *******************************************************************************
 */

void ihevc_itrans_recon_4x4_ttype1_sse42(WORD16 *pi2_src,
                                         WORD16 *pi2_tmp,
                                         UWORD8 *pu1_pred,
                                         UWORD8 *pu1_dst,
                                         WORD32 src_strd,
                                         WORD32 pred_strd,
                                         WORD32 dst_strd,
                                         WORD32 zero_cols,
                                         WORD32 zero_rows)
{
    __m128i m_temp_reg_0;
    __m128i m_temp_reg_1;
    __m128i m_temp_reg_2;
    __m128i m_temp_reg_3;
    __m128i m_temp_reg_4;
    __m128i m_temp_reg_10;
    __m128i m_temp_reg_11;
    __m128i m_temp_reg_12;
    __m128i m_temp_reg_13;
    __m128i m_temp_reg_14;
    __m128i m_temp_reg_20;
    __m128i m_temp_reg_21;
    __m128i m_temp_reg_22;
    __m128i m_temp_reg_23;
    __m128i m_temp_reg_24;
    __m128i m_temp_reg_25;
    __m128i m_temp_reg_30;
    __m128i m_temp_reg_31;
    __m128i m_temp_reg_32;
    __m128i m_temp_reg_33;
    __m128i m_temp_reg_34;
    __m128i m_temp_reg_35;
    __m128i m_temp_reg_36;
    __m128i m_coeff1, m_coeff2, m_coeff3;
    __m128i m_rdng_factor;
    __m128i m_count;

WORD32 i4_shift = IT_SHIFT_STAGE_1;
    UNUSED(zero_rows);
    UNUSED(zero_cols);
    UNUSED(pi2_tmp);

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai4_ihevc_trans_4_ttype1[2][0]); //74

m_temp_reg_0 = _mm_loadl_epi64((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_1 = _mm_loadl_epi64((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_2 = _mm_loadl_epi64((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_3 = _mm_loadl_epi64((__m128i *)pi2_src);

m_temp_reg_0 = _mm_cvtepi16_epi32(m_temp_reg_0);
    m_temp_reg_2 = _mm_cvtepi16_epi32(m_temp_reg_2);

m_temp_reg_1 = _mm_cvtepi16_epi32(m_temp_reg_1);
    m_temp_reg_3 = _mm_cvtepi16_epi32(m_temp_reg_3);

/* c[4] in m_temp_reg_14 */
    /* c[4] = src[0] - src[2] + src[3] */
    {
        m_temp_reg_14 = _mm_sub_epi32(m_temp_reg_0, m_temp_reg_2);
    }

/* c[3] in m_temp_reg_13 */
    {
        m_temp_reg_13 = _mm_mullo_epi32(m_temp_reg_1, m_coeff3);
    }

/* c[0] in m_temp_reg_10 */
    {
        m_temp_reg_10 = _mm_add_epi32(m_temp_reg_0, m_temp_reg_2);
    }

/* c[1] in m_temp_reg_11 */
    {
        m_temp_reg_11 = _mm_add_epi32(m_temp_reg_2, m_temp_reg_3);
    }

/* c[2] in m_temp_reg_12 */
    {
        m_temp_reg_12 = _mm_sub_epi32(m_temp_reg_0, m_temp_reg_3);
    }

/* c[4] in m_temp_reg_14 */
    /* c[4] = src[0] - src[2] + src[3] */
    {
        m_temp_reg_14 = _mm_add_epi32(m_temp_reg_14, m_temp_reg_3);
    }

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai4_ihevc_trans_4_ttype1[1][0]); //29
    m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai4_ihevc_trans_4_ttype1[0][0]); //55

/* Stage 1 outputs stored in m_temp_reg_20-23 */
    {
        m_temp_reg_30 = _mm_mullo_epi32(m_temp_reg_10, m_coeff1); //29*c0
        m_temp_reg_31 = _mm_mullo_epi32(m_temp_reg_11, m_coeff2); //55*c1

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));

m_temp_reg_32 = _mm_mullo_epi32(m_temp_reg_11, m_coeff1); //29*c1
        m_temp_reg_33 = _mm_mullo_epi32(m_temp_reg_12, m_coeff2); //55*c2

m_rdng_factor = _mm_unpacklo_epi32(m_rdng_factor, m_rdng_factor);

m_temp_reg_34 = _mm_mullo_epi32(m_temp_reg_10, m_coeff2); //55*c0
        m_temp_reg_35 = _mm_mullo_epi32(m_temp_reg_12, m_coeff1); //29*c2
        m_temp_reg_36 = _mm_mullo_epi32(m_temp_reg_14, m_coeff3); //74*c4

m_rdng_factor = _mm_unpacklo_epi64(m_rdng_factor, m_rdng_factor);
        m_count = _mm_cvtsi32_si128(i4_shift);

m_temp_reg_20 = _mm_add_epi32(m_temp_reg_30, m_temp_reg_31);
        m_temp_reg_4 = _mm_add_epi32(m_rdng_factor, m_temp_reg_13);
        m_temp_reg_20 = _mm_add_epi32(m_temp_reg_20, m_temp_reg_4);

m_temp_reg_21 = _mm_sub_epi32(m_temp_reg_33, m_temp_reg_32);
        m_temp_reg_21 = _mm_add_epi32(m_temp_reg_21, m_temp_reg_4);

m_temp_reg_23 = _mm_add_epi32(m_temp_reg_34, m_temp_reg_35);
        m_temp_reg_4 = _mm_sub_epi32(m_rdng_factor, m_temp_reg_13);
        m_temp_reg_23 = _mm_add_epi32(m_temp_reg_23, m_temp_reg_4);

m_temp_reg_22 = _mm_add_epi32(m_temp_reg_36, m_rdng_factor);

m_temp_reg_20 = _mm_sra_epi32(m_temp_reg_20, m_count);
        m_temp_reg_21 = _mm_sra_epi32(m_temp_reg_21, m_count);
        m_temp_reg_23 = _mm_sra_epi32(m_temp_reg_23, m_count);
        m_temp_reg_22 = _mm_sra_epi32(m_temp_reg_22, m_count);

m_temp_reg_20 = _mm_packs_epi32(m_temp_reg_20, m_temp_reg_21);
        m_temp_reg_21 = _mm_packs_epi32(m_temp_reg_22, m_temp_reg_23);
        m_temp_reg_22 = _mm_srli_si128(m_temp_reg_20, 8);
        m_temp_reg_23 = _mm_srli_si128(m_temp_reg_21, 8);

m_temp_reg_24 = _mm_unpacklo_epi16(m_temp_reg_20, m_temp_reg_22);
        m_temp_reg_25 = _mm_unpacklo_epi16(m_temp_reg_21, m_temp_reg_23);

m_temp_reg_20 = _mm_unpacklo_epi32(m_temp_reg_24, m_temp_reg_25);
        m_temp_reg_21 = _mm_unpackhi_epi32(m_temp_reg_24, m_temp_reg_25);

}

/* Stage 2 */
    {
        i4_shift = IT_SHIFT_STAGE_2;

m_temp_reg_22 = _mm_srli_si128(m_temp_reg_20, 8);
        m_temp_reg_20 = _mm_cvtepi16_epi32(m_temp_reg_20);
        m_temp_reg_23 = _mm_srli_si128(m_temp_reg_21, 8);
        m_temp_reg_21 = _mm_cvtepi16_epi32(m_temp_reg_21);
        m_temp_reg_22 = _mm_cvtepi16_epi32(m_temp_reg_22);
        m_temp_reg_23 = _mm_cvtepi16_epi32(m_temp_reg_23);

/* c[4] stored in m_temp_reg_4 */
        {
            m_temp_reg_4 = _mm_sub_epi32(m_temp_reg_20, m_temp_reg_21);
        }

/* c[3] stored in m_temp_reg_3 */
        {
            m_temp_reg_3 = _mm_mullo_epi32(m_temp_reg_22, m_coeff3);
        }

/* c[0] stored in m_temp_reg_0 */
        {
            m_temp_reg_0 = _mm_add_epi32(m_temp_reg_20, m_temp_reg_21);
        }

/* c[1] stored in m_temp_reg_1 */
        {
            m_temp_reg_1 = _mm_add_epi32(m_temp_reg_23, m_temp_reg_21);
        }

/* c[2] stored in m_temp_reg_2 */
        {
            m_temp_reg_2 = _mm_sub_epi32(m_temp_reg_20, m_temp_reg_23);
        }

/* c[4] stored in m_temp_reg_4 */
        {
            m_temp_reg_4 = _mm_add_epi32(m_temp_reg_4, m_temp_reg_23);
        }

/* Stage 2 output generation */
        {
            m_temp_reg_30 = _mm_mullo_epi32(m_temp_reg_0, m_coeff1); //29*c0
            m_temp_reg_31 = _mm_mullo_epi32(m_temp_reg_1, m_coeff2); //55*c1

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));

m_temp_reg_32 = _mm_mullo_epi32(m_temp_reg_1, m_coeff1); //29*c1
            m_temp_reg_33 = _mm_mullo_epi32(m_temp_reg_2, m_coeff2); //55*c2

m_rdng_factor = _mm_unpacklo_epi32(m_rdng_factor, m_rdng_factor);

m_temp_reg_34 = _mm_mullo_epi32(m_temp_reg_0, m_coeff2); //55*c0
            m_temp_reg_35 = _mm_mullo_epi32(m_temp_reg_2, m_coeff1); //29*c2
            m_temp_reg_36 = _mm_mullo_epi32(m_temp_reg_4, m_coeff3); //74*c4

m_rdng_factor = _mm_unpacklo_epi64(m_rdng_factor, m_rdng_factor);
            m_count = _mm_cvtsi32_si128(i4_shift);

m_temp_reg_4 = _mm_add_epi32(m_rdng_factor, m_temp_reg_3);
            m_temp_reg_20 = _mm_add_epi32(m_temp_reg_30, m_temp_reg_31);
            m_temp_reg_20 = _mm_add_epi32(m_temp_reg_20, m_temp_reg_4);

m_temp_reg_21 = _mm_sub_epi32(m_temp_reg_33, m_temp_reg_32);
            m_temp_reg_21 = _mm_add_epi32(m_temp_reg_21, m_temp_reg_4);

m_temp_reg_4 = _mm_sub_epi32(m_rdng_factor, m_temp_reg_3);
            m_temp_reg_23 = _mm_add_epi32(m_temp_reg_34, m_temp_reg_35);
            m_temp_reg_23 = _mm_add_epi32(m_temp_reg_23, m_temp_reg_4);

m_temp_reg_22 = _mm_add_epi32(m_temp_reg_36, m_rdng_factor);

m_temp_reg_20 = _mm_sra_epi32(m_temp_reg_20, m_count);
            m_temp_reg_21 = _mm_sra_epi32(m_temp_reg_21, m_count);
            m_temp_reg_23 = _mm_sra_epi32(m_temp_reg_23, m_count);
            m_temp_reg_22 = _mm_sra_epi32(m_temp_reg_22, m_count);

m_temp_reg_20 = _mm_packs_epi32(m_temp_reg_20, m_temp_reg_21);
            m_temp_reg_21 = _mm_packs_epi32(m_temp_reg_22, m_temp_reg_23);
            m_temp_reg_22 = _mm_srli_si128(m_temp_reg_20, 8);
            m_temp_reg_23 = _mm_srli_si128(m_temp_reg_21, 8);

m_temp_reg_24 = _mm_unpacklo_epi16(m_temp_reg_20, m_temp_reg_22);
            m_temp_reg_25 = _mm_unpacklo_epi16(m_temp_reg_21, m_temp_reg_23);

m_temp_reg_20 = _mm_unpacklo_epi32(m_temp_reg_24, m_temp_reg_25);
            m_temp_reg_21 = _mm_unpackhi_epi32(m_temp_reg_24, m_temp_reg_25);
        }

/* Recon and store */
        {
            WORD32 *pi4_dst = (WORD32 *)pu1_dst;

m_temp_reg_0 = _mm_loadl_epi64((__m128i *)pu1_pred);
            pu1_pred += pred_strd;
            m_temp_reg_1 = _mm_loadl_epi64((__m128i *)pu1_pred);
            pu1_pred += pred_strd;
            m_temp_reg_2 = _mm_loadl_epi64((__m128i *)pu1_pred);
            pu1_pred += pred_strd;
            m_temp_reg_3 = _mm_loadl_epi64((__m128i *)pu1_pred);

m_temp_reg_0 = _mm_cvtepu8_epi16(m_temp_reg_0);
            m_temp_reg_1 = _mm_cvtepu8_epi16(m_temp_reg_1);
            m_temp_reg_2 = _mm_cvtepu8_epi16(m_temp_reg_2);
            m_temp_reg_3 = _mm_cvtepu8_epi16(m_temp_reg_3);
            m_temp_reg_0 = _mm_unpacklo_epi64(m_temp_reg_0, m_temp_reg_1);
            m_temp_reg_1 = _mm_unpacklo_epi64(m_temp_reg_2, m_temp_reg_3);

m_temp_reg_20 = _mm_add_epi16(m_temp_reg_20, m_temp_reg_0);
            m_temp_reg_21 = _mm_add_epi16(m_temp_reg_21, m_temp_reg_1);

m_temp_reg_0 = _mm_packus_epi16(m_temp_reg_20, m_temp_reg_21);

*pi4_dst = _mm_cvtsi128_si32(m_temp_reg_0);
            m_temp_reg_1 = _mm_srli_si128(m_temp_reg_0, 4);
            m_temp_reg_2 = _mm_srli_si128(m_temp_reg_0, 8);
            m_temp_reg_3 = _mm_srli_si128(m_temp_reg_0, 12);
            pu1_dst += dst_strd;
            pi4_dst = (WORD32 *)(pu1_dst);

*pi4_dst = _mm_cvtsi128_si32(m_temp_reg_1);
            pu1_dst += dst_strd;
            pi4_dst = (WORD32 *)(pu1_dst);

*pi4_dst = _mm_cvtsi128_si32(m_temp_reg_2);
            pu1_dst += dst_strd;
            pi4_dst = (WORD32 *)(pu1_dst);

*pi4_dst = _mm_cvtsi128_si32(m_temp_reg_3);
        }
    }
}

/**
 *******************************************************************************
 *
 * @brief
 *  This function performs inverse quantization, inverse  transform
 * (DCT) and reconstruction for 4x4  input block
 *
 * @par Description:
 *  Performs inverse quantization , inverse transform and adds
 * prediction data and clips output to 8 bit
 *
 * @param[in] pi2_src
 *  Input 4x4 coefficients
 *
 * @param[in] pi2_tmp
 *  Temporary 4x4 buffer for storing inverse
 *  transform 1st stage output
 *
 * @param[in] pu1_pred
 *  Prediction 4x4 block
 *
 * @param[in] pi2_dequant_coeff
 *  Dequant Coeffs
 *
 * @param[out] pu1_dst
 *  Output 4x4 block
 *
 * @param[in] qp_div
 *  Quantization parameter / 6
 *
 * @param[in] qp_rem
 *  Quantization parameter % 6
 *
 * @param[in] src_strd
 *  Input stride
 *
 * @param[in] pred_strd
 *  Prediction stride
 *
 * @param[in] dst_strd
 *  Output Stride
 *
 * @param[in] zero_cols
 *  Zero columns in pi2_src
 *
 * @returns  Void
 *
 * @remarks
 *  None
 *
 *******************************************************************************
 */

void ihevc_itrans_recon_4x4_sse42(WORD16 *pi2_src,
                                  WORD16 *pi2_tmp,
                                  UWORD8 *pu1_pred,
                                  UWORD8 *pu1_dst,
                                  WORD32 src_strd,
                                  WORD32 pred_strd,
                                  WORD32 dst_strd,
                                  WORD32 zero_cols,
                                  WORD32 zero_rows)
{

__m128i m_temp_reg_0;
    __m128i m_temp_reg_1;
    __m128i m_temp_reg_2;
    __m128i m_temp_reg_3;
    __m128i m_temp_reg_10;
    __m128i m_temp_reg_11;
    __m128i m_temp_reg_12;
    __m128i m_temp_reg_13;
    __m128i m_temp_reg_14;
    __m128i m_temp_reg_15;
    __m128i m_temp_reg_20;
    __m128i m_temp_reg_21;
    __m128i m_temp_reg_22;
    __m128i m_temp_reg_23;
    __m128i m_temp_reg_24;
    __m128i m_temp_reg_25;
    __m128i m_temp_reg_30;
    __m128i m_temp_reg_31;
    __m128i m_temp_reg_33;
    __m128i m_temp_reg_34;
    __m128i m_coeff1, m_coeff3;
    __m128i m_rdng_factor;
    __m128i m_count;

WORD32 i4_shift = IT_SHIFT_STAGE_1;
    UNUSED(zero_rows);
    UNUSED(zero_cols);
    UNUSED(pi2_tmp);

m_temp_reg_0 = _mm_cvtepi16_epi32(m_temp_reg_0);
    m_temp_reg_2 = _mm_cvtepi16_epi32(m_temp_reg_2);

m_temp_reg_1 = _mm_cvtepi16_epi32(m_temp_reg_1);
    m_temp_reg_3 = _mm_cvtepi16_epi32(m_temp_reg_3);

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai4_ihevc_trans_4_ttype0[0][0]); //36
    m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai4_ihevc_trans_4_ttype0[2][0]); //83

/* e */
    {
        m_temp_reg_10 = _mm_slli_epi32(m_temp_reg_0, 6);
        m_temp_reg_11 = _mm_slli_epi32(m_temp_reg_2, 6);
    }

/* o */
    {
        m_temp_reg_12 = _mm_mullo_epi32(m_temp_reg_1, m_coeff1); //src[1]*36
        m_temp_reg_13 = _mm_mullo_epi32(m_temp_reg_3, m_coeff3); //src[3]*83
        m_temp_reg_14 = _mm_mullo_epi32(m_temp_reg_1, m_coeff3); //src[1]*83
        m_temp_reg_15 = _mm_mullo_epi32(m_temp_reg_3, m_coeff1); //src[3]*36
    }

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));

/* e1 stored in m_temp_reg_31 */
    {
        m_temp_reg_31 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_11);
    }

m_rdng_factor = _mm_unpacklo_epi32(m_rdng_factor, m_rdng_factor);

/* e0 stored in m_temp_reg_30 */
    {
        m_temp_reg_30 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_11);
    }

m_rdng_factor = _mm_unpacklo_epi64(m_rdng_factor, m_rdng_factor);
    m_count = _mm_cvtsi32_si128(i4_shift);

/* o1 stored in m_temp_reg_33 */
    {
        m_temp_reg_33 = _mm_sub_epi32(m_temp_reg_12, m_temp_reg_13);
    }

/* e1 + add */
    {
        m_temp_reg_31 = _mm_add_epi32(m_temp_reg_31, m_rdng_factor);
    }

/* e0 + add */
    {
        m_temp_reg_30 = _mm_add_epi32(m_temp_reg_30, m_rdng_factor);
    }

/* o0 stored in m_temp_reg_34 */
    {
        m_temp_reg_34 = _mm_add_epi32(m_temp_reg_14, m_temp_reg_15);
    }

/* Stage 1 outputs */
    {
        m_temp_reg_21 = _mm_add_epi32(m_temp_reg_31, m_temp_reg_33);
        m_temp_reg_22 = _mm_sub_epi32(m_temp_reg_31, m_temp_reg_33);

m_temp_reg_20 = _mm_add_epi32(m_temp_reg_30, m_temp_reg_34);
        m_temp_reg_23 = _mm_sub_epi32(m_temp_reg_30, m_temp_reg_34);

m_temp_reg_21 = _mm_sra_epi32(m_temp_reg_21, m_count);
        m_temp_reg_20 = _mm_sra_epi32(m_temp_reg_20, m_count);
        m_temp_reg_22 = _mm_sra_epi32(m_temp_reg_22, m_count);
        m_temp_reg_23 = _mm_sra_epi32(m_temp_reg_23, m_count);

m_temp_reg_24 = _mm_unpacklo_epi16(m_temp_reg_20, m_temp_reg_22);
        m_temp_reg_25 = _mm_unpacklo_epi16(m_temp_reg_21, m_temp_reg_23);

m_temp_reg_20 = _mm_unpacklo_epi32(m_temp_reg_24, m_temp_reg_25);
        m_temp_reg_21 = _mm_unpackhi_epi32(m_temp_reg_24, m_temp_reg_25);
    }

/* Stage 2 */
    {
        i4_shift = IT_SHIFT_STAGE_2;

m_temp_reg_22 = _mm_srli_si128(m_temp_reg_20, 8);
        m_temp_reg_23 = _mm_srli_si128(m_temp_reg_21, 8);

m_temp_reg_20 = _mm_cvtepi16_epi32(m_temp_reg_20);
        m_temp_reg_21 = _mm_cvtepi16_epi32(m_temp_reg_21);

m_temp_reg_22 = _mm_cvtepi16_epi32(m_temp_reg_22);
        m_temp_reg_23 = _mm_cvtepi16_epi32(m_temp_reg_23);

/* e */
        {
            m_temp_reg_10 = _mm_slli_epi32(m_temp_reg_20, 6);
        }

/* o */
        {
            m_temp_reg_12 = _mm_mullo_epi32(m_temp_reg_22, m_coeff1); //src[1]*36
            m_temp_reg_14 = _mm_mullo_epi32(m_temp_reg_22, m_coeff3); //src[1]*83
            m_temp_reg_13 = _mm_mullo_epi32(m_temp_reg_23, m_coeff3); //src[3]*83
            m_temp_reg_15 = _mm_mullo_epi32(m_temp_reg_23, m_coeff1); //src[3]*36
        }

/* e */
        {
            m_temp_reg_11 = _mm_slli_epi32(m_temp_reg_21, 6);
        }

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));

/* e1 stored in m_temp_reg_31 */
        {
            m_temp_reg_31 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_11);
        }

m_rdng_factor = _mm_unpacklo_epi32(m_rdng_factor, m_rdng_factor);

/* e0 stored in m_temp_reg_30 */
        {
            m_temp_reg_30 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_11);
        }

m_rdng_factor = _mm_unpacklo_epi64(m_rdng_factor, m_rdng_factor);
        m_count = _mm_cvtsi32_si128(i4_shift);

/* o1 stored in m_temp_reg_33 */
        {
            m_temp_reg_33 = _mm_sub_epi32(m_temp_reg_12, m_temp_reg_13);
        }

/* e1 + add */
        {
            m_temp_reg_31 = _mm_add_epi32(m_temp_reg_31, m_rdng_factor);
        }

/* e0 + add */
        {
            m_temp_reg_30 = _mm_add_epi32(m_temp_reg_30, m_rdng_factor);
        }

/* o0 stored in m_temp_reg_34 */
        {
            m_temp_reg_34 = _mm_add_epi32(m_temp_reg_14, m_temp_reg_15);
        }

/* Stage 2 outputs */
        {
            m_temp_reg_21 = _mm_add_epi32(m_temp_reg_31, m_temp_reg_33);
            m_temp_reg_22 = _mm_sub_epi32(m_temp_reg_31, m_temp_reg_33);
            m_temp_reg_20 = _mm_add_epi32(m_temp_reg_30, m_temp_reg_34);
            m_temp_reg_23 = _mm_sub_epi32(m_temp_reg_30, m_temp_reg_34);

m_temp_reg_21 = _mm_sra_epi32(m_temp_reg_21, m_count);
            m_temp_reg_22 = _mm_sra_epi32(m_temp_reg_22, m_count);
            m_temp_reg_20 = _mm_sra_epi32(m_temp_reg_20, m_count);
            m_temp_reg_23 = _mm_sra_epi32(m_temp_reg_23, m_count);

m_temp_reg_20 = _mm_packs_epi32(m_temp_reg_20, m_temp_reg_21);
            m_temp_reg_21 = _mm_packs_epi32(m_temp_reg_22, m_temp_reg_23);
            m_temp_reg_22 = _mm_srli_si128(m_temp_reg_20, 8);
            m_temp_reg_23 = _mm_srli_si128(m_temp_reg_21, 8);

m_temp_reg_24 = _mm_unpacklo_epi16(m_temp_reg_20, m_temp_reg_22);
            m_temp_reg_25 = _mm_unpacklo_epi16(m_temp_reg_21, m_temp_reg_23);

m_temp_reg_20 = _mm_unpacklo_epi32(m_temp_reg_24, m_temp_reg_25);
            m_temp_reg_21 = _mm_unpackhi_epi32(m_temp_reg_24, m_temp_reg_25);
        }

/* Recon and store */
        {
            UWORD32 *pu4_dst = (UWORD32 *)pu1_dst;

m_temp_reg_0 = _mm_cvtepu8_epi16(m_temp_reg_0);
            m_temp_reg_1 = _mm_cvtepu8_epi16(m_temp_reg_1);
            m_temp_reg_0 = _mm_unpacklo_epi64(m_temp_reg_0, m_temp_reg_1);
            m_temp_reg_2 = _mm_cvtepu8_epi16(m_temp_reg_2);
            m_temp_reg_3 = _mm_cvtepu8_epi16(m_temp_reg_3);
            m_temp_reg_1 = _mm_unpacklo_epi64(m_temp_reg_2, m_temp_reg_3);

m_temp_reg_20 = _mm_add_epi16(m_temp_reg_20, m_temp_reg_0);
            m_temp_reg_21 = _mm_add_epi16(m_temp_reg_21, m_temp_reg_1);

m_temp_reg_0 = _mm_packus_epi16(m_temp_reg_20, m_temp_reg_21);

*pu4_dst = _mm_cvtsi128_si32(m_temp_reg_0);
            m_temp_reg_1 = _mm_srli_si128(m_temp_reg_0, 4);
            m_temp_reg_2 = _mm_srli_si128(m_temp_reg_0, 8);
            m_temp_reg_3 = _mm_srli_si128(m_temp_reg_0, 12);
            pu1_dst += dst_strd;
            pu4_dst = (UWORD32 *)(pu1_dst);

*pu4_dst = _mm_cvtsi128_si32(m_temp_reg_1);
            pu1_dst += dst_strd;
            pu4_dst = (UWORD32 *)(pu1_dst);

*pu4_dst = _mm_cvtsi128_si32(m_temp_reg_2);
            pu1_dst += dst_strd;
            pu4_dst = (UWORD32 *)(pu1_dst);

*pu4_dst = _mm_cvtsi128_si32(m_temp_reg_3);
        }
    }
}

/**
 *******************************************************************************
 *
 * @brief
 *  This function performs inverse quantization, inverse  transform and
 * reconstruction for 8c8 input block
 *
 * @par Description:
 *  Performs inverse quantization , inverse transform  and adds the
 * prediction data and clips output to 8 bit
 *
 * @param[in] pi2_src
 *  Input 8x8 coefficients
 *
 * @param[in] pi2_tmp
 *  Temporary 8x8 buffer for storing inverse
 *  transform 1st stage output
 *
 * @param[in] pu1_pred
 *  Prediction 8x8 block
 *
 * @param[in] pi2_dequant_coeff
 *  Dequant Coeffs
 *
 * @param[out] pu1_dst
 *  Output 8x8 block
 *
 * @param[in] src_strd
 *  Input stride
 *
 * @param[in] qp_div
 *  Quantization parameter / 6
 *
 * @param[in] qp_rem
 *  Quantization parameter % 6
 *
 * @param[in] pred_strd
 *  Prediction stride
 *
 * @param[in] dst_strd
 *  Output Stride
 *
 * @param[in] zero_cols
 *  Zero columns in pi2_src
 *
 * @returns  Void
 *
 * @remarks
 *  None
 *
 *******************************************************************************
 */

void ihevc_itrans_recon_8x8_sse42(WORD16 *pi2_src,
                                  WORD16 *pi2_tmp,
                                  UWORD8 *pu1_pred,
                                  UWORD8 *pu1_dst,
                                  WORD32 src_strd,
                                  WORD32 pred_strd,
                                  WORD32 dst_strd,
                                  WORD32 zero_cols,
                                  WORD32 zero_rows)
{
    __m128i m_temp_reg_0;
    __m128i m_temp_reg_1;
    __m128i m_temp_reg_2;
    __m128i m_temp_reg_3;
    __m128i m_temp_reg_5;
    __m128i m_temp_reg_6;
    __m128i m_temp_reg_7;
    __m128i m_temp_reg_4;
    __m128i m_temp_reg_10;
    __m128i m_temp_reg_11;
    __m128i m_temp_reg_12;
    __m128i m_temp_reg_13;
    __m128i m_temp_reg_14;
    __m128i m_temp_reg_15;
    __m128i m_temp_reg_16;
    __m128i m_temp_reg_17;
    __m128i m_temp_reg_20;
    __m128i m_temp_reg_21;
    __m128i m_temp_reg_22;
    __m128i m_temp_reg_23;
    __m128i m_temp_reg_24;
    __m128i m_temp_reg_25;
    __m128i m_temp_reg_26;
    __m128i m_temp_reg_27;
    __m128i m_temp_reg_30;
    __m128i m_temp_reg_31;
    __m128i m_temp_reg_32;
    __m128i m_temp_reg_33;
    __m128i m_temp_reg_34;
    __m128i m_temp_reg_35;
    __m128i m_temp_reg_36;
    __m128i m_temp_reg_37;
    __m128i m_temp_reg_40;
    __m128i m_temp_reg_41;
    __m128i m_temp_reg_42;
    __m128i m_temp_reg_43;
    __m128i m_temp_reg_44;
    __m128i m_temp_reg_45;
    __m128i m_temp_reg_46;
    __m128i m_temp_reg_47;
    __m128i m_temp_reg_50;
    __m128i m_temp_reg_51;
    __m128i m_temp_reg_52;
    __m128i m_temp_reg_53;
    __m128i m_temp_reg_54;
    __m128i m_temp_reg_55;
    __m128i m_temp_reg_56;
    __m128i m_temp_reg_57;
    __m128i m_temp_reg_60;
    __m128i m_temp_reg_61;
    __m128i m_temp_reg_62;
    __m128i m_temp_reg_63;
    __m128i m_temp_reg_64;
    __m128i m_temp_reg_65;
    __m128i m_temp_reg_66;
    __m128i m_temp_reg_67;
    __m128i m_temp_reg_70;
    __m128i m_temp_reg_71;
    __m128i m_temp_reg_72;
    __m128i m_temp_reg_73;
    __m128i m_temp_reg_74;
    __m128i m_temp_reg_75;
    __m128i m_temp_reg_76;
    __m128i m_temp_reg_77;
    __m128i m_coeff1, m_coeff2, m_coeff3, m_coeff4;

WORD32 check_row_stage_1;   /* Lokesh */
    WORD32 check_row_stage_2;   /* Lokesh */

__m128i m_rdng_factor;
    WORD32 i4_shift = IT_SHIFT_STAGE_1;
    UNUSED(pi2_tmp);
    check_row_stage_1   = ((zero_rows & 0xF0) != 0xF0) ? 1 : 0;
    check_row_stage_2   = ((zero_cols & 0xF0) != 0xF0) ? 1 : 0;

m_temp_reg_70 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_71 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_72 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_73 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;

m_temp_reg_74 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_75 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_76 = _mm_loadu_si128((__m128i *)pi2_src);
    pi2_src += src_strd;
    m_temp_reg_77 = _mm_loadu_si128((__m128i *)pi2_src);

if(!check_row_stage_2)
    {
        if(!check_row_stage_1)
        {
            /* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
            /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
            {
                //Interleaving 0,4 row in 0 , 1 Rishab
                /*coef2 for m_temp_reg_12 and m_temp_reg_13 , coef1 for m_temp_reg_10 and m_temp_reg_11*/
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[3][0]);
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[0][0]);

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_70, m_temp_reg_74);

m_temp_reg_10 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                m_temp_reg_12 = _mm_madd_epi16(m_temp_reg_0, m_coeff2);

}

/* eo0 is present in the registers m_temp_reg_14 and m_temp_reg_15 */
            /* eo1 is present in the registers m_temp_reg_16 and m_temp_reg_17 */
            /* as upper 8 bytes are zeros so m_temp_reg_15 and m_temp_reg_17 are not used*/
            {

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[1][0]); //sub 2B*36-6B*83 ,2T*36-6T*83
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[2][0]); //add 2B*83+6B*36 ,2T*83+6T*36

/* Combining instructions to eliminate them based on zero_rows : Lokesh */
                //Interleaving 2,6 row in 4, 5 Rishab
                m_temp_reg_4 = _mm_unpacklo_epi16(m_temp_reg_72, m_temp_reg_76);

m_temp_reg_16 = _mm_madd_epi16(m_temp_reg_4, m_coeff1);
                m_temp_reg_14 = _mm_madd_epi16(m_temp_reg_4, m_coeff2);

/* Loading coeff for computing o0, o1, o2 and o3 in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[2][0]);
                m_coeff4 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[3][0]);

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[0][0]);
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[1][0]);

/* e */

/* e0 stored in m_temp_reg_40 and m_temp_reg_41 */
                /* e1 stored in m_temp_reg_42 and m_temp_reg_43 */
                /* e3 stored in m_temp_reg_46 and m_temp_reg_47 */
                /* e2 stored in m_temp_reg_44 and m_temp_reg_45 */
                m_temp_reg_42 = _mm_add_epi32(m_temp_reg_12, m_temp_reg_16);
                m_temp_reg_44 = _mm_sub_epi32(m_temp_reg_12, m_temp_reg_16);

m_temp_reg_40 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_14);
                m_temp_reg_46 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_14);

}

/* o */
            {

/* o0 stored in m_temp_reg_30 and m_temp_reg_31 */
                {

m_temp_reg_60 = _mm_unpacklo_epi16(m_temp_reg_71, m_temp_reg_73);
                    //o0:1B*89+3B*75,5B*50+7B*18
                    m_temp_reg_30 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));
                    m_rdng_factor = _mm_shuffle_epi32(m_rdng_factor, 0x0000);

/* Column 0 of destination computed here */
                    /* It is stored in m_temp_reg_50 */
                    /* Column 7 of destination computed here */
                    /* It is stored in m_temp_reg_57 */
                    /* Upper 8 bytes of both registers are zero due to zero_cols*/

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_40, m_temp_reg_30);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_40, m_temp_reg_30);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_63 = _mm_setzero_si128();
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o1:1B*75-3B*18,5B*89+7B*50
                    m_temp_reg_32 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);

m_temp_reg_50 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_57 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* Loading coeff for computing o2  in the next block */

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[4][0]);
                    m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[5][0]);

/* o1 stored in m_temp_reg_32 and m_temp_reg_33 */

/* Column 1 of destination computed here */
                    /* It is stored in m_temp_reg_51 */
                    /* Column 6 of destination computed here */
                    /* It is stored in m_temp_reg_56 */

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_42, m_temp_reg_32);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_42, m_temp_reg_32);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o2:1B*50-3B*89,5B*18+7B*75
                    m_temp_reg_34 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);

m_temp_reg_51 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_56 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* o2 stored in m_temp_reg_34 and m_temp_reg_35 */

/* Loading coeff for computing o3  in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[6][0]);
                    m_coeff4 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[7][0]);

/* Column 2 of destination computed here */
                    /* It is stored in m_temp_reg_52 */
                    /* Column 5 of destination computed here */
                    /* It is stored in m_temp_reg_55 */

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_44, m_temp_reg_34);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_44, m_temp_reg_34);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o3:1B*18-3B*50,5B*75-7B*89
                    m_temp_reg_36 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);

m_temp_reg_52 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_55 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* o3 stored in m_temp_reg_36 and m_temp_reg_37 */

/* Column 3 of destination computed here */
                    /* It is stored in m_temp_reg_53 */
                    /* Column 4 of destination computed here */
                    /* It is stored in m_temp_reg_54 */

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_46, m_temp_reg_36);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_46, m_temp_reg_36);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

m_temp_reg_53 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_54 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);
                }
            }

m_temp_reg_12 = _mm_unpacklo_epi16(m_temp_reg_54, m_temp_reg_55);
                m_temp_reg_13 = _mm_unpacklo_epi16(m_temp_reg_56, m_temp_reg_57);

m_temp_reg_4 = _mm_unpacklo_epi32(m_temp_reg_12, m_temp_reg_13);
                m_temp_reg_5 = _mm_unpackhi_epi32(m_temp_reg_12, m_temp_reg_13);

m_temp_reg_50 = _mm_unpacklo_epi64(m_temp_reg_0, m_temp_reg_4);
                m_temp_reg_51 = _mm_unpackhi_epi64(m_temp_reg_0, m_temp_reg_4);
                m_temp_reg_52 = _mm_unpacklo_epi64(m_temp_reg_1, m_temp_reg_5);
                m_temp_reg_53 = _mm_unpackhi_epi64(m_temp_reg_1, m_temp_reg_5);

m_temp_reg_54 = _mm_setzero_si128();
                m_temp_reg_55 = _mm_setzero_si128();
                m_temp_reg_56 = _mm_setzero_si128();
                m_temp_reg_57 = _mm_setzero_si128();
            }
        }
        else
        {
            /* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
            /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
            {
                //Interleaving 0,4 row in 0 , 1 Rishab
                /*coef2 for m_temp_reg_12 and m_temp_reg_13 , coef1 for m_temp_reg_10 and m_temp_reg_11*/
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[3][0]);
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[0][0]);

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_70, m_temp_reg_74);

m_temp_reg_10 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                m_temp_reg_12 = _mm_madd_epi16(m_temp_reg_0, m_coeff2);

}

m_temp_reg_16 = _mm_madd_epi16(m_temp_reg_4, m_coeff1);
                m_temp_reg_14 = _mm_madd_epi16(m_temp_reg_4, m_coeff2);

/* Loading coeff for computing o0, o1, o2 and o3 in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[2][0]);
                m_coeff4 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[3][0]);

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[0][0]);
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[1][0]);

/* e */

m_temp_reg_40 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_14);
                m_temp_reg_46 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_14);

}

/* o */
            {

/* o0 stored in m_temp_reg_30 and m_temp_reg_31 */
                {

m_temp_reg_60 = _mm_unpacklo_epi16(m_temp_reg_71, m_temp_reg_73);
                    m_temp_reg_64 = _mm_unpacklo_epi16(m_temp_reg_75, m_temp_reg_77);
                    //o0:1B*89+3B*75,5B*50+7B*18
                    m_temp_reg_20 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);
                    m_temp_reg_24 = _mm_madd_epi16(m_temp_reg_64, m_coeff2);

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));
                    m_rdng_factor = _mm_shuffle_epi32(m_rdng_factor, 0x0000);

m_temp_reg_30 = _mm_add_epi32(m_temp_reg_20, m_temp_reg_24);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_40, m_temp_reg_30);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_40, m_temp_reg_30);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_63 = _mm_setzero_si128();
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o1:1B*75-3B*18,5B*89+7B*50
                    m_temp_reg_22 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);
                    m_temp_reg_26 = _mm_madd_epi16(m_temp_reg_64, m_coeff4);

m_temp_reg_50 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_57 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* Loading coeff for computing o2  in the next block */

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[4][0]);
                    m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[5][0]);

/* o1 stored in m_temp_reg_32 and m_temp_reg_33 */
                    m_temp_reg_32 = _mm_sub_epi32(m_temp_reg_22, m_temp_reg_26);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_42, m_temp_reg_32);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_42, m_temp_reg_32);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o2:1B*50-3B*89,5B*18+7B*75
                    m_temp_reg_20 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);
                    m_temp_reg_24 = _mm_madd_epi16(m_temp_reg_64, m_coeff2);

m_temp_reg_51 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_56 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* o2 stored in m_temp_reg_34 and m_temp_reg_35 */

/* Loading coeff for computing o3  in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[6][0]);
                    m_coeff4 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[7][0]);

m_temp_reg_34 = _mm_add_epi32(m_temp_reg_20, m_temp_reg_24);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_44, m_temp_reg_34);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_44, m_temp_reg_34);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

//o3:1B*18-3B*50,5B*75-7B*89
                    m_temp_reg_22 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);
                    m_temp_reg_26 = _mm_madd_epi16(m_temp_reg_64, m_coeff4);

m_temp_reg_52 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_55 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);

/* o3 stored in m_temp_reg_36 and m_temp_reg_37 */

m_temp_reg_36 = _mm_add_epi32(m_temp_reg_22, m_temp_reg_26);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_46, m_temp_reg_36);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_46, m_temp_reg_36);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);

m_temp_reg_53 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_54 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_63);
                }
            }

m_temp_reg_12 = _mm_unpacklo_epi16(m_temp_reg_54, m_temp_reg_55);
                m_temp_reg_13 = _mm_unpacklo_epi16(m_temp_reg_56, m_temp_reg_57);
                m_temp_reg_4 = _mm_unpacklo_epi32(m_temp_reg_12, m_temp_reg_13);
                m_temp_reg_5 = _mm_unpackhi_epi32(m_temp_reg_12, m_temp_reg_13);

m_temp_reg_54 = _mm_setzero_si128();
                m_temp_reg_55 = _mm_setzero_si128();
                m_temp_reg_56 = _mm_setzero_si128();
                m_temp_reg_57 = _mm_setzero_si128();
            }
        }

/* Stage 2 */
        i4_shift = IT_SHIFT_STAGE_2;
        {
            /* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
            /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
            {
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[0][0]); //add
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[3][0]); //sub

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_50, m_temp_reg_54);
                m_temp_reg_1 = _mm_unpackhi_epi16(m_temp_reg_50, m_temp_reg_54);

m_temp_reg_10 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                m_temp_reg_12 = _mm_madd_epi16(m_temp_reg_0, m_coeff2);
                m_temp_reg_11 = _mm_madd_epi16(m_temp_reg_1, m_coeff1);
                m_temp_reg_13 = _mm_madd_epi16(m_temp_reg_1, m_coeff2);

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[1][0]);
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[2][0]);
            }

/* eo0 is present in the registers m_temp_reg_14 and m_temp_reg_15 */
            /* eo1 is present in the registers m_temp_reg_16 and m_temp_reg_17 */
            {

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_52, m_temp_reg_56);
                m_temp_reg_1 = _mm_unpackhi_epi16(m_temp_reg_52, m_temp_reg_56);

m_temp_reg_16 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                m_temp_reg_14 = _mm_madd_epi16(m_temp_reg_0, m_coeff2);
                m_temp_reg_17 = _mm_madd_epi16(m_temp_reg_1, m_coeff1);
                m_temp_reg_15 = _mm_madd_epi16(m_temp_reg_1, m_coeff2);

/* Loading coeff for computing o0 in the next block */
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[0][0]);

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_51, m_temp_reg_53);
                m_temp_reg_1 = _mm_unpackhi_epi16(m_temp_reg_51, m_temp_reg_53);

/* e */

m_temp_reg_40 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_14);
                m_temp_reg_46 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_14);

m_temp_reg_43 = _mm_add_epi32(m_temp_reg_13, m_temp_reg_17);
                m_temp_reg_45 = _mm_sub_epi32(m_temp_reg_13, m_temp_reg_17);

m_temp_reg_41 = _mm_add_epi32(m_temp_reg_11, m_temp_reg_15);
                m_temp_reg_47 = _mm_sub_epi32(m_temp_reg_11, m_temp_reg_15);

}

/* o */
            {

/* o0 stored in m_temp_reg_30 and m_temp_reg_31 */
                {
                    //o0:1B*89+3B*75,1T*89+3T*75
                    m_temp_reg_30 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                    m_temp_reg_31 = _mm_madd_epi16(m_temp_reg_1, m_coeff1);

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));
                    m_rdng_factor = _mm_shuffle_epi32(m_rdng_factor, 0x0000);
                    /* Loading coeff for computing o1 in the next block */
                    m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[2][0]);

/* Column 0 of destination computed here */
                    /* It is stored in m_temp_reg_50 */
                    /* Column 7 of destination computed here */
                    /* It is stored in m_temp_reg_57 */

m_temp_reg_2 = _mm_add_epi32(m_temp_reg_40, m_temp_reg_30);
                    m_temp_reg_6 = _mm_sub_epi32(m_temp_reg_40, m_temp_reg_30);

m_temp_reg_3 = _mm_add_epi32(m_temp_reg_41, m_temp_reg_31);
                    m_temp_reg_7 = _mm_sub_epi32(m_temp_reg_41, m_temp_reg_31);

m_temp_reg_2 = _mm_add_epi32(m_temp_reg_2, m_rdng_factor);
                    m_temp_reg_3 = _mm_add_epi32(m_temp_reg_3, m_rdng_factor);
                    m_temp_reg_6 = _mm_add_epi32(m_temp_reg_6, m_rdng_factor);
                    m_temp_reg_7 = _mm_add_epi32(m_temp_reg_7, m_rdng_factor);

//o1:1B*75-3B*18,1T*75-3T*18
                    m_temp_reg_32 = _mm_madd_epi16(m_temp_reg_0, m_coeff3);
                    m_temp_reg_33 = _mm_madd_epi16(m_temp_reg_1, m_coeff3);

m_temp_reg_2 = _mm_srai_epi32(m_temp_reg_2, i4_shift);
                    m_temp_reg_3 = _mm_srai_epi32(m_temp_reg_3, i4_shift);
                    m_temp_reg_6 = _mm_srai_epi32(m_temp_reg_6, i4_shift);
                    m_temp_reg_7 = _mm_srai_epi32(m_temp_reg_7, i4_shift);

m_temp_reg_50 = _mm_packs_epi32(m_temp_reg_2, m_temp_reg_3);
                    m_temp_reg_57 = _mm_packs_epi32(m_temp_reg_6, m_temp_reg_7);

/* o1 stored in m_temp_reg_32 and m_temp_reg_33 */

/* Loading coeff for computing o2  in the next block */
                    m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[4][0]);

m_temp_reg_2 = _mm_add_epi32(m_temp_reg_42, m_temp_reg_32);
                    m_temp_reg_6 = _mm_sub_epi32(m_temp_reg_42, m_temp_reg_32);

m_temp_reg_3 = _mm_add_epi32(m_temp_reg_43, m_temp_reg_33);
                    m_temp_reg_7 = _mm_sub_epi32(m_temp_reg_43, m_temp_reg_33);

//o2:1B*50-3B*89,5T*18+7T*75.
                    m_temp_reg_34 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                    m_temp_reg_35 = _mm_madd_epi16(m_temp_reg_1, m_coeff1);

m_temp_reg_51 = _mm_packs_epi32(m_temp_reg_2, m_temp_reg_3);
                    m_temp_reg_56 = _mm_packs_epi32(m_temp_reg_6, m_temp_reg_7);

/* o2 stored in m_temp_reg_34 and m_temp_reg_35 */

/* Loading coeff for computing o3  in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[6][0]);

m_temp_reg_2 = _mm_add_epi32(m_temp_reg_44, m_temp_reg_34);
                    m_temp_reg_6 = _mm_sub_epi32(m_temp_reg_44, m_temp_reg_34);

m_temp_reg_3 = _mm_add_epi32(m_temp_reg_45, m_temp_reg_35);
                    m_temp_reg_7 = _mm_sub_epi32(m_temp_reg_45, m_temp_reg_35);

//o3:1B*18-3B*50,1T*18-3T*50
                    m_temp_reg_36 = _mm_madd_epi16(m_temp_reg_0, m_coeff3);
                    m_temp_reg_37 = _mm_madd_epi16(m_temp_reg_1, m_coeff3);

m_temp_reg_52 = _mm_packs_epi32(m_temp_reg_2, m_temp_reg_3);
                    m_temp_reg_55 = _mm_packs_epi32(m_temp_reg_6, m_temp_reg_7);

/* o3 stored in m_temp_reg_36 and m_temp_reg_37 */

m_temp_reg_20 = _mm_add_epi32(m_temp_reg_46, m_temp_reg_36);
                    m_temp_reg_22 = _mm_sub_epi32(m_temp_reg_46, m_temp_reg_36);

m_temp_reg_21 = _mm_add_epi32(m_temp_reg_47, m_temp_reg_37);
                    m_temp_reg_23 = _mm_sub_epi32(m_temp_reg_47, m_temp_reg_37);

m_temp_reg_20 = _mm_add_epi32(m_temp_reg_20, m_rdng_factor);
                    m_temp_reg_21 = _mm_add_epi32(m_temp_reg_21, m_rdng_factor);
                    m_temp_reg_22 = _mm_add_epi32(m_temp_reg_22, m_rdng_factor);
                    m_temp_reg_23 = _mm_add_epi32(m_temp_reg_23, m_rdng_factor);

m_temp_reg_20 = _mm_srai_epi32(m_temp_reg_20, i4_shift);
                    m_temp_reg_21 = _mm_srai_epi32(m_temp_reg_21, i4_shift);
                    m_temp_reg_22 = _mm_srai_epi32(m_temp_reg_22, i4_shift);
                    m_temp_reg_23 = _mm_srai_epi32(m_temp_reg_23, i4_shift);

m_temp_reg_53 = _mm_packs_epi32(m_temp_reg_20, m_temp_reg_21);
                    m_temp_reg_54 = _mm_packs_epi32(m_temp_reg_22, m_temp_reg_23);
                }
            }

/* Transpose of the destination 8x8 matrix done here */
            /* and ultimately stored in registers m_temp_reg_50 to m_temp_reg_57 */
            /* respectively */
            {
                m_temp_reg_10 = _mm_unpacklo_epi16(m_temp_reg_50, m_temp_reg_51);
                m_temp_reg_11 = _mm_unpacklo_epi16(m_temp_reg_52, m_temp_reg_53);
                m_temp_reg_14 = _mm_unpackhi_epi16(m_temp_reg_50, m_temp_reg_51);
                m_temp_reg_15 = _mm_unpackhi_epi16(m_temp_reg_52, m_temp_reg_53);
                m_temp_reg_0 = _mm_unpacklo_epi32(m_temp_reg_10, m_temp_reg_11);
                m_temp_reg_1 = _mm_unpackhi_epi32(m_temp_reg_10, m_temp_reg_11);
                m_temp_reg_2 = _mm_unpacklo_epi32(m_temp_reg_14, m_temp_reg_15);
                m_temp_reg_3 = _mm_unpackhi_epi32(m_temp_reg_14, m_temp_reg_15);

m_temp_reg_12 = _mm_unpacklo_epi16(m_temp_reg_54, m_temp_reg_55);
                m_temp_reg_13 = _mm_unpacklo_epi16(m_temp_reg_56, m_temp_reg_57);
                m_temp_reg_16 = _mm_unpackhi_epi16(m_temp_reg_54, m_temp_reg_55);
                m_temp_reg_17 = _mm_unpackhi_epi16(m_temp_reg_56, m_temp_reg_57);
                m_temp_reg_4 = _mm_unpacklo_epi32(m_temp_reg_12, m_temp_reg_13);
                m_temp_reg_5 = _mm_unpackhi_epi32(m_temp_reg_12, m_temp_reg_13);
                m_temp_reg_6 = _mm_unpacklo_epi32(m_temp_reg_16, m_temp_reg_17);
                m_temp_reg_7 = _mm_unpackhi_epi32(m_temp_reg_16, m_temp_reg_17);
                m_temp_reg_10 = _mm_unpacklo_epi64(m_temp_reg_0, m_temp_reg_4);
                m_temp_reg_11 = _mm_unpackhi_epi64(m_temp_reg_0, m_temp_reg_4);
                m_temp_reg_12 = _mm_unpacklo_epi64(m_temp_reg_1, m_temp_reg_5);
                m_temp_reg_13 = _mm_unpackhi_epi64(m_temp_reg_1, m_temp_reg_5);

m_temp_reg_14 = _mm_unpacklo_epi64(m_temp_reg_2, m_temp_reg_6);
                m_temp_reg_15 = _mm_unpackhi_epi64(m_temp_reg_2, m_temp_reg_6);
                m_temp_reg_16 = _mm_unpacklo_epi64(m_temp_reg_3, m_temp_reg_7);
                m_temp_reg_17 = _mm_unpackhi_epi64(m_temp_reg_3, m_temp_reg_7);
            }

/* Recon and store */
            {
                m_temp_reg_0 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_1 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_2 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_3 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_4 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_5 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_6 = _mm_loadl_epi64((__m128i *)pu1_pred);
                pu1_pred += pred_strd;
                m_temp_reg_7 = _mm_loadl_epi64((__m128i *)pu1_pred);

m_temp_reg_50 = _mm_setzero_si128();
                m_temp_reg_0 = _mm_unpacklo_epi8(m_temp_reg_0, m_temp_reg_50);
                m_temp_reg_1 = _mm_unpacklo_epi8(m_temp_reg_1, m_temp_reg_50);
                m_temp_reg_2 = _mm_unpacklo_epi8(m_temp_reg_2, m_temp_reg_50);
                m_temp_reg_3 = _mm_unpacklo_epi8(m_temp_reg_3, m_temp_reg_50);
                m_temp_reg_4 = _mm_unpacklo_epi8(m_temp_reg_4, m_temp_reg_50);
                m_temp_reg_5 = _mm_unpacklo_epi8(m_temp_reg_5, m_temp_reg_50);
                m_temp_reg_6 = _mm_unpacklo_epi8(m_temp_reg_6, m_temp_reg_50);
                m_temp_reg_7 = _mm_unpacklo_epi8(m_temp_reg_7, m_temp_reg_50);

m_temp_reg_50 = _mm_add_epi16(m_temp_reg_10, m_temp_reg_0);
                m_temp_reg_51 = _mm_add_epi16(m_temp_reg_11, m_temp_reg_1);
                m_temp_reg_52 = _mm_add_epi16(m_temp_reg_12, m_temp_reg_2);
                m_temp_reg_53 = _mm_add_epi16(m_temp_reg_13, m_temp_reg_3);
                m_temp_reg_54 = _mm_add_epi16(m_temp_reg_14, m_temp_reg_4);
                m_temp_reg_55 = _mm_add_epi16(m_temp_reg_15, m_temp_reg_5);
                m_temp_reg_56 = _mm_add_epi16(m_temp_reg_16, m_temp_reg_6);
                m_temp_reg_57 = _mm_add_epi16(m_temp_reg_17, m_temp_reg_7);

m_temp_reg_50 = _mm_packus_epi16(m_temp_reg_50, m_temp_reg_50);
                m_temp_reg_51 = _mm_packus_epi16(m_temp_reg_51, m_temp_reg_51);
                m_temp_reg_52 = _mm_packus_epi16(m_temp_reg_52, m_temp_reg_52);
                m_temp_reg_53 = _mm_packus_epi16(m_temp_reg_53, m_temp_reg_53);
                m_temp_reg_54 = _mm_packus_epi16(m_temp_reg_54, m_temp_reg_54);
                m_temp_reg_55 = _mm_packus_epi16(m_temp_reg_55, m_temp_reg_55);
                m_temp_reg_56 = _mm_packus_epi16(m_temp_reg_56, m_temp_reg_56);
                m_temp_reg_57 = _mm_packus_epi16(m_temp_reg_57, m_temp_reg_57);

_mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_50);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_51);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_52);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_53);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_54);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_55);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_56);
                pu1_dst += dst_strd;
                _mm_storel_epi64((__m128i *)pu1_dst, m_temp_reg_57);
                pu1_dst += dst_strd;
            }
        }
    }
    else

{

/* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
        /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
        if(!check_row_stage_1)
        {
            /* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
            /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
            {
                //Interleaving 0,4 row in 0 , 1 Rishab
                /*coef2 for m_temp_reg_12 and m_temp_reg_13 , coef1 for m_temp_reg_10 and m_temp_reg_11*/
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[3][0]);
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[0][0]);

m_temp_reg_0 = _mm_unpacklo_epi16(m_temp_reg_70, m_temp_reg_74);
                m_temp_reg_1 = _mm_unpackhi_epi16(m_temp_reg_70, m_temp_reg_74);

m_temp_reg_10 = _mm_madd_epi16(m_temp_reg_0, m_coeff1);
                m_temp_reg_12 = _mm_madd_epi16(m_temp_reg_0, m_coeff2);

m_temp_reg_11 = _mm_madd_epi16(m_temp_reg_1, m_coeff1);
                m_temp_reg_13 = _mm_madd_epi16(m_temp_reg_1, m_coeff2);
            }

/* eo0 is present in the registers m_temp_reg_14 and m_temp_reg_15 */
            /* eo1 is present in the registers m_temp_reg_16 and m_temp_reg_17 */
            {

m_temp_reg_16 = _mm_madd_epi16(m_temp_reg_4, m_coeff1);
                m_temp_reg_14 = _mm_madd_epi16(m_temp_reg_4, m_coeff2);

m_temp_reg_17 = _mm_madd_epi16(m_temp_reg_5, m_coeff1);
                m_temp_reg_15 = _mm_madd_epi16(m_temp_reg_5, m_coeff2);

/* Loading coeff for computing o0, o1, o2 and o3 in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[2][0]);
                //m_coeff4 = _mm_loadu_si128((__m128i *) &g_ai2_ihevc_trans_intr_odd_8[3][0]);

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[0][0]);
                //m_coeff2 = _mm_loadu_si128((__m128i *) &g_ai2_ihevc_trans_intr_odd_8[1][0]);

}

/* e */
            {
                /* e0 stored in m_temp_reg_40 and m_temp_reg_41 */
                /* e1 stored in m_temp_reg_42 and m_temp_reg_43 */
                /* e3 stored in m_temp_reg_46 and m_temp_reg_47 */
                /* e2 stored in m_temp_reg_44 and m_temp_reg_45 */
                m_temp_reg_42 = _mm_add_epi32(m_temp_reg_12, m_temp_reg_16);
                m_temp_reg_44 = _mm_sub_epi32(m_temp_reg_12, m_temp_reg_16);

m_temp_reg_40 = _mm_add_epi32(m_temp_reg_10, m_temp_reg_14);
                m_temp_reg_46 = _mm_sub_epi32(m_temp_reg_10, m_temp_reg_14);

m_temp_reg_43 = _mm_add_epi32(m_temp_reg_13, m_temp_reg_17);
                m_temp_reg_45 = _mm_sub_epi32(m_temp_reg_13, m_temp_reg_17);

m_temp_reg_41 = _mm_add_epi32(m_temp_reg_11, m_temp_reg_15);
                m_temp_reg_47 = _mm_sub_epi32(m_temp_reg_11, m_temp_reg_15);

}

/* o */
            {

/* o0 stored in m_temp_reg_30 and m_temp_reg_31 */
                {

m_temp_reg_60 = _mm_unpacklo_epi16(m_temp_reg_71, m_temp_reg_73);
                    m_temp_reg_61 = _mm_unpackhi_epi16(m_temp_reg_71, m_temp_reg_73);
                    //o0:1B*89+3B*75,1T*89+3T*75
                    m_temp_reg_30 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);
                    m_temp_reg_31 = _mm_madd_epi16(m_temp_reg_61, m_coeff1);

m_rdng_factor = _mm_cvtsi32_si128((1 << (i4_shift - 1)));
                    m_rdng_factor = _mm_shuffle_epi32(m_rdng_factor, 0x0000);

}

/* Column 0 of destination computed here */
                /* It is stored in m_temp_reg_50 */
                /* Column 7 of destination computed here */
                /* It is stored in m_temp_reg_57 */
                {

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_40, m_temp_reg_30);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_40, m_temp_reg_30);

m_temp_reg_63 = _mm_add_epi32(m_temp_reg_41, m_temp_reg_31);
                    m_temp_reg_67 = _mm_sub_epi32(m_temp_reg_41, m_temp_reg_31);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_63 = _mm_add_epi32(m_temp_reg_63, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);
                    m_temp_reg_67 = _mm_add_epi32(m_temp_reg_67, m_rdng_factor);

m_temp_reg_62 = _mm_srai_epi32(m_temp_reg_62, i4_shift);
                    m_temp_reg_63 = _mm_srai_epi32(m_temp_reg_63, i4_shift);
                    m_temp_reg_66 = _mm_srai_epi32(m_temp_reg_66, i4_shift);
                    m_temp_reg_67 = _mm_srai_epi32(m_temp_reg_67, i4_shift);

//o1:1B*75-3B*18,1T*75-3T*18,5B*89+7B*50,5T*89+7T*50
                    m_temp_reg_32 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);
                    m_temp_reg_33 = _mm_madd_epi16(m_temp_reg_61, m_coeff3);

m_temp_reg_50 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_57 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_67);

/* Loading coeff for computing o2  in the next block */

m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[4][0]);

}

/* Column 1 of destination computed here */
                /* It is stored in m_temp_reg_51 */
                /* Column 6 of destination computed here */
                /* It is stored in m_temp_reg_56 */
                {
                    m_temp_reg_62 = _mm_add_epi32(m_temp_reg_42, m_temp_reg_32);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_42, m_temp_reg_32);

m_temp_reg_63 = _mm_add_epi32(m_temp_reg_43, m_temp_reg_33);
                    m_temp_reg_67 = _mm_sub_epi32(m_temp_reg_43, m_temp_reg_33);

m_temp_reg_62 = _mm_add_epi32(m_temp_reg_62, m_rdng_factor);
                    m_temp_reg_66 = _mm_add_epi32(m_temp_reg_66, m_rdng_factor);
                    m_temp_reg_63 = _mm_add_epi32(m_temp_reg_63, m_rdng_factor);
                    m_temp_reg_67 = _mm_add_epi32(m_temp_reg_67, m_rdng_factor);

//o2:1B*50-3B*89,1T*50-3T*89
                    m_temp_reg_34 = _mm_madd_epi16(m_temp_reg_60, m_coeff1);
                    m_temp_reg_35 = _mm_madd_epi16(m_temp_reg_61, m_coeff1);

m_temp_reg_51 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_56 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_67);

/* o2 stored in m_temp_reg_34 and m_temp_reg_35 */

/* Loading coeff for computing o3  in the next block */

m_coeff3 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_odd_8[6][0]);

}

/* Column 2 of destination computed here */
                /* It is stored in m_temp_reg_52 */
                /* Column 5 of destination computed here */
                /* It is stored in m_temp_reg_55 */
                {
                    m_temp_reg_62 = _mm_add_epi32(m_temp_reg_44, m_temp_reg_34);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_44, m_temp_reg_34);

m_temp_reg_63 = _mm_add_epi32(m_temp_reg_45, m_temp_reg_35);
                    m_temp_reg_67 = _mm_sub_epi32(m_temp_reg_45, m_temp_reg_35);

//o3:1B*18-3B*50,1T*18-3T*50
                    m_temp_reg_36 = _mm_madd_epi16(m_temp_reg_60, m_coeff3);
                    m_temp_reg_37 = _mm_madd_epi16(m_temp_reg_61, m_coeff3);

m_temp_reg_52 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_55 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_67);

/* o3 stored in m_temp_reg_36 and m_temp_reg_37 */

}

/* Column 3 of destination computed here */
                /* It is stored in m_temp_reg_53 */
                /* Column 4 of destination computed here */
                /* It is stored in m_temp_reg_54 */
                {
                    m_temp_reg_62 = _mm_add_epi32(m_temp_reg_46, m_temp_reg_36);
                    m_temp_reg_66 = _mm_sub_epi32(m_temp_reg_46, m_temp_reg_36);

m_temp_reg_63 = _mm_add_epi32(m_temp_reg_47, m_temp_reg_37);
                    m_temp_reg_67 = _mm_sub_epi32(m_temp_reg_47, m_temp_reg_37);

m_temp_reg_53 = _mm_packs_epi32(m_temp_reg_62, m_temp_reg_63);
                    m_temp_reg_54 = _mm_packs_epi32(m_temp_reg_66, m_temp_reg_67);
                }
            }

/* Transpose of the destination 8x8 matrix done here */
            /* and ultimately stored in registers m_temp_reg_50 to m_temp_reg_57 */
            /* respectively */
            {

m_temp_reg_10 = _mm_unpacklo_epi16(m_temp_reg_50, m_temp_reg_51);
                m_temp_reg_11 = _mm_unpacklo_epi16(m_temp_reg_52, m_temp_reg_53);
                m_temp_reg_14 = _mm_unpackhi_epi16(m_temp_reg_50, m_temp_reg_51);
                m_temp_reg_15 = _mm_unpackhi_epi16(m_temp_reg_52, m_temp_reg_53);
                m_temp_reg_0 = _mm_unpacklo_epi32(m_temp_reg_10, m_temp_reg_11);
                m_temp_reg_1 = _mm_unpackhi_epi32(m_temp_reg_10, m_temp_reg_11);
                m_temp_reg_2 = _mm_unpacklo_epi32(m_temp_reg_14, m_temp_reg_15);
                m_temp_reg_3 = _mm_unpackhi_epi32(m_temp_reg_14, m_temp_reg_15);

m_temp_reg_54 = _mm_unpacklo_epi64(m_temp_reg_2, m_temp_reg_6);
                m_temp_reg_55 = _mm_unpackhi_epi64(m_temp_reg_2, m_temp_reg_6);
                m_temp_reg_56 = _mm_unpacklo_epi64(m_temp_reg_3, m_temp_reg_7);
                m_temp_reg_57 = _mm_unpackhi_epi64(m_temp_reg_3, m_temp_reg_7);
            }
        }
        else
        {

/* ee0 is present in the registers m_temp_reg_10 and m_temp_reg_11 */
            /* ee1 is present in the registers m_temp_reg_12 and m_temp_reg_13 */
            {
                //Interleaving 0,4 row in 0 , 1 Rishab
                /*coef2 for m_temp_reg_12 and m_temp_reg_13 , coef1 for m_temp_reg_10 and m_temp_reg_11*/
                m_coeff2 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[3][0]);
                m_coeff1 = _mm_loadu_si128((__m128i *)&g_ai2_ihevc_trans_intr_even_8[0][0]);