239 lines
7.1 KiB
C
239 lines
7.1 KiB
C
/*****************************************************************************
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Copyright (c) 2011-2014, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************************/
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#include <stdio.h>
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#include "common.h"
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int CNAME(BLASLONG row,BLASLONG col,FLOAT* src,BLASLONG srcdim,FLOAT* dest)
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{
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BLASLONG i,j;
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BLASLONG idx=0;
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BLASLONG ii;
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FLOAT *src0,*src1,*src2,*src3,*dest0;
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FLOAT *dest1,*dest2;
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ii = col&-4;
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ii = ii*(2*row);
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dest2 = dest+ii;
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ii = col&-2;
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ii = ii*(2*row);
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dest1 = dest+ii;
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for (j=0; j<row/4; j+=1)
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{
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src0 = src;
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src1 = src0+2*srcdim;
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src2 = src1+2*srcdim;
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src3 = src2+2*srcdim;
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src = src3+2*srcdim;
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dest0 = dest;
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ii = (4<<3);
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dest = dest+ii;
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for (i=0; i<col/4; i+=1)
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{
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dest0[0] = src0[0];
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dest0[1] = src0[1];
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dest0[2] = src0[2];
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dest0[3] = src0[3];
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dest0[4] = src0[4];
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dest0[5] = src0[5];
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dest0[6] = src0[6];
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dest0[7] = src0[7];
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dest0[8] = src1[0];
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dest0[9] = src1[1];
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dest0[10] = src1[2];
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dest0[11] = src1[3];
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dest0[12] = src1[4];
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dest0[13] = src1[5];
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dest0[14] = src1[6];
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dest0[15] = src1[7];
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dest0[16] = src2[0];
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dest0[17] = src2[1];
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dest0[18] = src2[2];
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dest0[19] = src2[3];
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dest0[20] = src2[4];
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dest0[21] = src2[5];
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dest0[22] = src2[6];
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dest0[23] = src2[7];
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dest0[24] = src3[0];
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dest0[25] = src3[1];
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dest0[26] = src3[2];
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dest0[27] = src3[3];
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dest0[28] = src3[4];
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dest0[29] = src3[5];
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dest0[30] = src3[6];
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dest0[31] = src3[7];
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src0 = src0+8;
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src1 = src1+8;
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src2 = src2+8;
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src3 = src3+8;
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ii = (row<<3);
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dest0 = dest0+ii;
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}
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if (col&2)
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{
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dest2[0] = src0[0];
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dest2[1] = src0[1];
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dest2[2] = src0[2];
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dest2[3] = src0[3];
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dest2[4] = src1[0];
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dest2[5] = src1[1];
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dest2[6] = src1[2];
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dest2[7] = src1[3];
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dest2[8] = src2[0];
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dest2[9] = src2[1];
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dest2[10] = src2[2];
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dest2[11] = src2[3];
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dest2[12] = src3[0];
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dest2[13] = src3[1];
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dest2[14] = src3[2];
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dest2[15] = src3[3];
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src0 = src0+4;
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src1 = src1+4;
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src2 = src2+4;
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src3 = src3+4;
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dest2 = dest2+16;
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}
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if (col&1)
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{
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dest1[0] = src0[0];
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dest1[1] = src0[1];
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dest1[2] = src1[0];
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dest1[3] = src1[1];
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dest1[4] = src2[0];
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dest1[5] = src2[1];
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dest1[6] = src3[0];
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dest1[7] = src3[1];
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src0 = src0+2;
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src1 = src1+2;
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src2 = src2+2;
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src3 = src3+2;
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dest1 = dest1+8;
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}
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}
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if (row&2)
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{
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src0 = src;
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src1 = src0+2*srcdim;
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src = src1+2*srcdim;
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dest0 = dest;
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ii = (2<<3);
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dest = dest+ii;
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for (i=0; i<col/4; i+=1)
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{
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dest0[0] = src0[0];
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dest0[1] = src0[1];
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dest0[2] = src0[2];
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dest0[3] = src0[3];
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dest0[4] = src0[4];
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dest0[5] = src0[5];
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dest0[6] = src0[6];
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dest0[7] = src0[7];
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dest0[8] = src1[0];
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dest0[9] = src1[1];
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dest0[10] = src1[2];
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dest0[11] = src1[3];
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dest0[12] = src1[4];
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dest0[13] = src1[5];
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dest0[14] = src1[6];
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dest0[15] = src1[7];
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src0 = src0+8;
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src1 = src1+8;
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ii = (row<<3);
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dest0 = dest0+ii;
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}
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if (col&2)
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{
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dest2[0] = src0[0];
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dest2[1] = src0[1];
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dest2[2] = src0[2];
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dest2[3] = src0[3];
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dest2[4] = src1[0];
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dest2[5] = src1[1];
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dest2[6] = src1[2];
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dest2[7] = src1[3];
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src0 = src0+4;
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src1 = src1+4;
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dest2 = dest2+8;
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}
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if (col&1)
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{
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dest1[0] = src0[0];
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dest1[1] = src0[1];
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dest1[2] = src1[0];
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dest1[3] = src1[1];
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src0 = src0+2;
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src1 = src1+2;
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dest1 = dest1+4;
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}
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}
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if (row&1)
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{
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src0 = src;
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src = src0+2*srcdim;
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dest0 = dest;
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ii = (1<<3);
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dest = dest+ii;
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for (i=0; i<col/4; i+=1)
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{
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dest0[0] = src0[0];
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dest0[1] = src0[1];
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dest0[2] = src0[2];
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dest0[3] = src0[3];
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dest0[4] = src0[4];
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dest0[5] = src0[5];
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dest0[6] = src0[6];
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dest0[7] = src0[7];
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src0 = src0+8;
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ii = (row<<3);
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dest0 = dest0+ii;
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}
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if (col&2)
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{
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dest2[0] = src0[0];
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dest2[1] = src0[1];
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dest2[2] = src0[2];
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dest2[3] = src0[3];
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src0 = src0+4;
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dest2 = dest2+4;
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}
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if (col&1)
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{
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dest1[0] = src0[0];
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dest1[1] = src0[1];
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src0 = src0+2;
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dest1 = dest1+2;
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}
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}
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return 0;
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}
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