154 lines
4.2 KiB
C
154 lines
4.2 KiB
C
/*******************************************************************************
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Copyright (c) 2016, 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 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 OPENBLAS PROJECT 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 "common.h"
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#include "macros_msa.h"
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int CNAME(BLASLONG m, BLASLONG n, FLOAT * __restrict src, BLASLONG lda,
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FLOAT * __restrict dst)
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{
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BLASLONG i, j;
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FLOAT *psrc0, *psrc1, *psrc2, *psrc3, *psrc4;
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FLOAT *pdst0, *pdst1, *pdst2, *pdst3;
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v2f64 src0, src1, src2, src3, src4, src5, src6, src7;
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psrc0 = src;
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pdst0 = dst;
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pdst2 = dst + m * (n & ~3);
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pdst3 = dst + m * (n & ~1);
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for (j = (m >> 2); j--;)
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{
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psrc1 = psrc0;
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psrc2 = psrc1 + lda;
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psrc3 = psrc2 + lda;
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psrc4 = psrc3 + lda;
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psrc0 += 4 * lda;
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pdst1 = pdst0;
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pdst0 += 16;
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for (i = (n >> 2); i--;)
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{
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LD_DP2_INC(psrc1, 2, src0, src1);
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LD_DP2_INC(psrc2, 2, src2, src3);
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LD_DP2_INC(psrc3, 2, src4, src5);
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LD_DP2_INC(psrc4, 2, src6, src7);
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ST_DP8(src0, src1, src2, src3, src4, src5, src6, src7, pdst1, 2);
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pdst1 += m * 4;
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}
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if (n & 2)
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{
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src0 = LD_DP(psrc1);
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src1 = LD_DP(psrc2);
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src2 = LD_DP(psrc3);
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src3 = LD_DP(psrc4);
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psrc1 += 2;
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psrc2 += 2;
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psrc3 += 2;
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psrc4 += 2;
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ST_DP4_INC(src0, src1, src2, src3, pdst2, 2);
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}
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if (n & 1)
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{
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*pdst3++ = *psrc1++;
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*pdst3++ = *psrc2++;
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*pdst3++ = *psrc3++;
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*pdst3++ = *psrc4++;
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}
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}
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if (m & 2)
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{
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psrc1 = psrc0;
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psrc2 = psrc1 + lda;
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psrc0 += 2 * lda;
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pdst1 = pdst0;
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pdst0 += 8;
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for (i = (n >> 2); i--;)
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{
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LD_DP2_INC(psrc1, 2, src0, src1);
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LD_DP2_INC(psrc2, 2, src2, src3);
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ST_DP4(src0, src1, src2, src3, pdst1, 2);
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pdst1 += m * 4;
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}
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if (n & 2)
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{
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src0 = LD_DP(psrc1);
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src1 = LD_DP(psrc2);
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psrc1 += 2;
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psrc2 += 2;
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ST_DP2_INC(src0, src1, pdst2, 2);
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}
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if (n & 1)
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{
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*pdst3++ = *psrc1++;
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*pdst3++ = *psrc2++;
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}
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}
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if (m & 1)
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{
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psrc1 = psrc0;
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pdst1 = pdst0;
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for (i = (n >> 2); i--;)
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{
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LD_DP2_INC(psrc1, 2, src0, src1);
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ST_DP2(src0, src1, pdst1, 2);
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pdst1 += 4 * m;
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}
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if (n & 2)
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{
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src0 = LD_DP(psrc1);
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psrc1 += 2;
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ST_DP(src0, pdst2);
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}
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if (n & 1)
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{
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*pdst3 = *psrc1;
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}
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}
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return 0;
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}
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