/*******************************************************************************
Copyright (c) 2016, The OpenBLAS Project
All rights reserved.
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modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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*******************************************************************************/

#include "common.h"
#include "macros_msa.h"

int CNAME(BLASLONG m, BLASLONG n, BLASLONG k, FLOAT alpha, FLOAT *A, FLOAT *B,
          FLOAT *C, BLASLONG ldc
#ifdef TRMMKERNEL
          , BLASLONG offset
#endif
          )
{
    BLASLONG i, j, l, temp;
#if defined(TRMMKERNEL)
    BLASLONG off;
#endif
    FLOAT *pc0, *pc1, *pc2, *pc3, *pa0, *pb0;
    FLOAT tmp0, tmp1, tmp2, tmp3;
    FLOAT a0, b0, b1, b2, b3;
    v2f64 v_alpha = {alpha, alpha};
    v2f64 src_a0, src_a1, src_a2, src_a3, src_b, src_b0, src_b1;
    v2f64 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7;
    v2f64 res0, res1, res2, res3, res4, res5, res6, res7;
    v2f64 res8, res9, res10, res11, res12, res13, res14, res15;

#if defined(TRMMKERNEL) && !defined(LEFT)
    off = -offset;
#endif

    for (j = (n >> 2); j--;)
    {
        pc0 = C;
        pc1 = pc0 + ldc;
        pc2 = pc1 + ldc;
        pc3 = pc2 + ldc;

        pa0 = A;

#if defined(TRMMKERNEL) && defined(LEFT)
        off = offset;
#endif

        for (i = (m >> 3); i--;)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 8;
            pb0 = B + off * 4;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 8; // number of values in A
#else
            temp = off + 4; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
            LD_DP2_INC(pb0, 2, src_b0, src_b1);

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;
            res2 = src_a2 * src_b;
            res3 = src_a3 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res4 = src_a0 * src_b;
            res5 = src_a1 * src_b;
            res6 = src_a2 * src_b;
            res7 = src_a3 * src_b;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
            res8  = src_a0 * src_b;
            res9  = src_a1 * src_b;
            res10 = src_a2 * src_b;
            res11 = src_a3 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
            res12 = src_a0 * src_b;
            res13 = src_a1 * src_b;
            res14 = src_a2 * src_b;
            res15 = src_a3 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res8  += src_a0 * src_b;
                res9  += src_a1 * src_b;
                res10 += src_a2 * src_b;
                res11 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res12 += src_a0 * src_b;
                res13 += src_a1 * src_b;
                res14 += src_a2 * src_b;
                res15 += src_a3 * src_b;

                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res8  += src_a0 * src_b;
                res9  += src_a1 * src_b;
                res10 += src_a2 * src_b;
                res11 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res12 += src_a0 * src_b;
                res13 += src_a1 * src_b;
                res14 += src_a2 * src_b;
                res15 += src_a3 * src_b;
            }

            if ((temp - 1) & 1)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res8  += src_a0 * src_b;
                res9  += src_a1 * src_b;
                res10 += src_a2 * src_b;
                res11 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res12 += src_a0 * src_b;
                res13 += src_a1 * src_b;
                res14 += src_a2 * src_b;
                res15 += src_a3 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
            dst4 = res4 * v_alpha;
            dst5 = res5 * v_alpha;
            dst6 = res6 * v_alpha;
            dst7 = res7 * v_alpha;
#else
            LD_DP4(pc0, 2, dst0, dst1, dst2, dst3);
            LD_DP4(pc1, 2, dst4, dst5, dst6, dst7);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
            dst4 += res4 * v_alpha;
            dst5 += res5 * v_alpha;
            dst6 += res6 * v_alpha;
            dst7 += res7 * v_alpha;
#endif
            ST_DP4_INC(dst0, dst1, dst2, dst3, pc0, 2);
            ST_DP4_INC(dst4, dst5, dst6, dst7, pc1, 2);

#if defined(TRMMKERNEL)
            dst0 = res8 * v_alpha;
            dst1 = res9 * v_alpha;
            dst2 = res10 * v_alpha;
            dst3 = res11 * v_alpha;
            dst4 = res12 * v_alpha;
            dst5 = res13 * v_alpha;
            dst6 = res14 * v_alpha;
            dst7 = res15 * v_alpha;
#else
            LD_DP4(pc2, 2, dst0, dst1, dst2, dst3);
            LD_DP4(pc3, 2, dst4, dst5, dst6, dst7);

            dst0 += res8 * v_alpha;
            dst1 += res9 * v_alpha;
            dst2 += res10 * v_alpha;
            dst3 += res11 * v_alpha;
            dst4 += res12 * v_alpha;
            dst5 += res13 * v_alpha;
            dst6 += res14 * v_alpha;
            dst7 += res15 * v_alpha;
#endif

            ST_DP4_INC(dst0, dst1, dst2, dst3, pc2, 2);
            ST_DP4_INC(dst4, dst5, dst6, dst7, pc3, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 8; // number of values in A
#else
            temp -= 4; // number of values in B
#endif
            pa0 += temp * 8;
            pb0 += temp * 4;
#endif

#ifdef LEFT
            off += 8; // number of values in A
#endif
#endif
        }

        if (m & 4)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 4;
            pb0 = B + off * 4;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 4; // number of values in A
#else
            temp = off + 4; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            LD_DP2_INC(pa0, 2, src_a0, src_a1);
            LD_DP2_INC(pb0, 2, src_b0, src_b1);

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res2 = src_a0 * src_b;
            res3 = src_a1 * src_b;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
            res4 = src_a0 * src_b;
            res5 = src_a1 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
            res6 = src_a0 * src_b;
            res7 = src_a1 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res6 += src_a0 * src_b;
                res7 += src_a1 * src_b;

                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res6 += src_a0 * src_b;
                res7 += src_a1 * src_b;
            }

            if ((temp - 1) & 1)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res6 += src_a0 * src_b;
                res7 += src_a1 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
            dst4 = res4 * v_alpha;
            dst5 = res5 * v_alpha;
            dst6 = res6 * v_alpha;
            dst7 = res7 * v_alpha;
#else
            LD_DP2(pc0, 2, dst0, dst1);
            LD_DP2(pc1, 2, dst2, dst3);
            LD_DP2(pc2, 2, dst4, dst5);
            LD_DP2(pc3, 2, dst6, dst7);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
            dst4 += res4 * v_alpha;
            dst5 += res5 * v_alpha;
            dst6 += res6 * v_alpha;
            dst7 += res7 * v_alpha;
#endif
            ST_DP2_INC(dst0, dst1, pc0, 2);
            ST_DP2_INC(dst2, dst3, pc1, 2);
            ST_DP2_INC(dst4, dst5, pc2, 2);
            ST_DP2_INC(dst6, dst7, pc3, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 4; // number of values in A
#else
            temp -= 4; // number of values in B
#endif
            pa0 += temp * 4;
            pb0 += temp * 4;
#endif

#ifdef LEFT
            off += 4; // number of values in A
#endif
#endif
        }

        if (m & 2)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 2;
            pb0 = B + off * 4;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 2; // number of values in A
#else
            temp = off + 4; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            src_a0 = LD_DP(pa0);
            pa0 += 2;
            LD_DP2_INC(pb0, 2, src_b0, src_b1);

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res1 = src_a0 * src_b;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
            res2 = src_a0 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
            res3 = src_a0 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                src_a0 = LD_DP(pa0);
                pa0 += 2;
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res2 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res3 += src_a0 * src_b;

                src_a0 = LD_DP(pa0);
                pa0 += 2;
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res2 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res3 += src_a0 * src_b;
            }

            if ((temp - 1) & 1)
            {
                src_a0 = LD_DP(pa0);
                pa0 += 2;
                LD_DP2_INC(pb0, 2, src_b0, src_b1);

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b1, (v2i64) src_b1);
                res2 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b1, (v2i64) src_b1);
                res3 += src_a0 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
#else
            dst0 = LD_DP(pc0);
            dst1 = LD_DP(pc1);
            dst2 = LD_DP(pc2);
            dst3 = LD_DP(pc3);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
#endif
            ST_DP(dst0, pc0);
            ST_DP(dst1, pc1);
            ST_DP(dst2, pc2);
            ST_DP(dst3, pc3);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 2; // number of values in A
#else
            temp -= 4; // number of values in B
#endif
            pa0 += temp * 2;
            pb0 += temp * 4;
#endif

#ifdef LEFT
            off += 2; // number of values in A
#endif
#endif
            pc0 += 2;
            pc1 += 2;
            pc2 += 2;
            pc3 += 2;
        }

        if (m & 1)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 1;
            pb0 = B + off * 4;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 1; // number of values in A
#else
            temp = off + 4; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            a0 = pa0[0];
            b0 = pb0[0];
            tmp0 = a0 * b0;

            b1 = pb0[1];
            tmp1 = a0 * b1;

            b2 = pb0[2];
            tmp2 = a0 * b2;

            b3 = pb0[3];
            tmp3 = a0 * b3;

            pa0 += 1;
            pb0 += 4;

            for (l = ((temp - 1) >> 1); l--;)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                b2 = pb0[2];
                tmp2 += a0 * b2;

                b3 = pb0[3];
                tmp3 += a0 * b3;

                pa0 += 1;
                pb0 += 4;

                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                b2 = pb0[2];
                tmp2 += a0 * b2;

                b3 = pb0[3];
                tmp3 += a0 * b3;

                pa0 += 1;
                pb0 += 4;
            }

            if ((temp - 1) & 1)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                b2 = pb0[2];
                tmp2 += a0 * b2;

                b3 = pb0[3];
                tmp3 += a0 * b3;

                pa0 += 1;
                pb0 += 4;
            }

            tmp0 = alpha * tmp0;
            tmp1 = alpha * tmp1;
            tmp2 = alpha * tmp2;
            tmp3 = alpha * tmp3;

#if defined(TRMMKERNEL)
            pc0[0] = tmp0;
            pc1[0] = tmp1;
            pc2[0] = tmp2;
            pc3[0] = tmp3;
#else
            pc0[0] += tmp0;
            pc1[0] += tmp1;
            pc2[0] += tmp2;
            pc3[0] += tmp3;
#endif

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 1; // number of values in A
#else
            temp -= 4; // number of values in B
#endif
            pa0 += temp * 1;
            pb0 += temp * 4;
#endif

#ifdef LEFT
            off += 1; // number of values in A
#endif
#endif

            pc0 += 1;
            pc1 += 1;
            pc2 += 1;
            pc3 += 1;
        }

#if defined(TRMMKERNEL) && !defined(LEFT)
        off += 4; // number of values in A
#endif

        l = (k << 2);
        B = B + l;
        i = (ldc << 2);
        C = C + i;
    }

    if (n & 2)
    {
        pc0 = C;
        pc1 = pc0 + ldc;

        pa0 = A;

#if defined(TRMMKERNEL) && defined(LEFT)
        off = offset;
#endif

        for (i = (m >> 3); i--;)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 8;
            pb0 = B + off * 2;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 8; // number of values in A
#else
            temp = off + 2; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif


            LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
            src_b0 = LD_DP(pb0);
            pb0 += 2;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;
            res2 = src_a2 * src_b;
            res3 = src_a3 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res4 = src_a0 * src_b;
            res5 = src_a1 * src_b;
            res6 = src_a2 * src_b;
            res7 = src_a3 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;

                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;
            }

            if ((temp - 1) & 1)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res4 += src_a0 * src_b;
                res5 += src_a1 * src_b;
                res6 += src_a2 * src_b;
                res7 += src_a3 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
            dst4 = res4 * v_alpha;
            dst5 = res5 * v_alpha;
            dst6 = res6 * v_alpha;
            dst7 = res7 * v_alpha;
#else
            LD_DP4(pc0, 2, dst0, dst1, dst2, dst3);
            LD_DP4(pc1, 2, dst4, dst5, dst6, dst7);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
            dst4 += res4 * v_alpha;
            dst5 += res5 * v_alpha;
            dst6 += res6 * v_alpha;
            dst7 += res7 * v_alpha;
#endif
            ST_DP4_INC(dst0, dst1, dst2, dst3, pc0, 2);
            ST_DP4_INC(dst4, dst5, dst6, dst7, pc1, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 8; // number of values in A
#else
            temp -= 2; // number of values in B
#endif
            pa0 += temp * 8;
            pb0 += temp * 2;
#endif

#ifdef LEFT
            off += 8; // number of values in A
#endif
#endif
        }

        if (m & 4)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 4;
            pb0 = B + off * 2;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 4; // number of values in A
#else
            temp = off + 2; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            LD_DP2_INC(pa0, 2, src_a0, src_a1);
            src_b0 = LD_DP(pb0);
            pb0 += 2;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res2 = src_a0 * src_b;
            res3 = src_a1 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;

                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;
            }

            if ((temp - 1) & 1)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res2 += src_a0 * src_b;
                res3 += src_a1 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
#else
            LD_DP2(pc0, 2, dst0, dst1);
            LD_DP2(pc1, 2, dst2, dst3);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
#endif
            ST_DP2_INC(dst0, dst1, pc0, 2);
            ST_DP2_INC(dst2, dst3, pc1, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 4; // number of values in A
#else
            temp -= 2; // number of values in B
#endif
            pa0 += temp * 4;
            pb0 += temp * 2;
#endif

#ifdef LEFT
            off += 4; // number of values in A
#endif
#endif
        }

        if (m & 2)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 2;
            pb0 = B + off * 2;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 2; // number of values in A
#else
            temp = off + 2; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            src_a0 = LD_DP(pa0);
            pa0 += 2;
            src_b0 = LD_DP(pb0);
            pb0 += 2;

            src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
            res0 = src_a0 * src_b;

            src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
            res1 = src_a0 * src_b;

            for (l = ((temp - 1) >> 1); l--;)
            {
                src_a0 = LD_DP(pa0);
                pa0 += 2;
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;

                src_a0 = LD_DP(pa0);
                pa0 += 2;
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;
            }

            if ((temp - 1) & 1)
            {
                src_a0 = LD_DP(pa0);
                pa0 += 2;
                src_b0 = LD_DP(pb0);
                pb0 += 2;

                src_b = (v2f64) __msa_ilvr_d((v2i64) src_b0, (v2i64) src_b0);
                res0 += src_a0 * src_b;

                src_b = (v2f64) __msa_ilvl_d((v2i64) src_b0, (v2i64) src_b0);
                res1 += src_a0 * src_b;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
#else
            dst0 = LD_DP(pc0);
            dst1 = LD_DP(pc1);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
#endif
            ST_DP(dst0, pc0);
            ST_DP(dst1, pc1);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 2; // number of values in A
#else
            temp -= 2; // number of values in B
#endif
            pa0 += temp * 2;
            pb0 += temp * 2;
#endif

#ifdef LEFT
            off += 2; // number of values in A
#endif
#endif
            pc0 += 2;
            pc1 += 2;
        }

        if (m & 1)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 1;
            pb0 = B + off * 2;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 1; // number of values in A
#else
            temp = off + 2; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            a0 = pa0[0];
            b0 = pb0[0];
            tmp0 = a0 * b0;

            b1 = pb0[1];
            tmp1 = a0 * b1;

            pa0 += 1;
            pb0 += 2;

            for (l = ((temp - 1) >> 1); l--;)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                pa0 += 1;
                pb0 += 2;

                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                pa0 += 1;
                pb0 += 2;
            }

            if ((temp - 1) & 1)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                b1 = pb0[1];
                tmp1 += a0 * b1;

                pa0 += 1;
                pb0 += 2;
            }

            tmp0 = alpha * tmp0;
            tmp1 = alpha * tmp1;

#if defined(TRMMKERNEL)
            pc0[0] = tmp0;
            pc1[0] = tmp1;
#else
            pc0[0] += tmp0;
            pc1[0] += tmp1;
#endif

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 1; // number of values in A
#else
            temp -= 2; // number of values in B
#endif
            pa0 += temp * 1;
            pb0 += temp * 2;
#endif

#ifdef LEFT
            off += 1; // number of values in A
#endif
#endif

            pc0 += 1;
            pc1 += 1;
        }

#if defined(TRMMKERNEL) && !defined(LEFT)
        off += 2; // number of values in A
#endif

        l = (k << 1);
        B = B + l;
        i = (ldc << 1);
        C = C + i;
    }

    if (n & 1)
    {
        pc0 = C;
        pa0 = A;

#if defined(TRMMKERNEL) && defined(LEFT)
        off = offset;
#endif

        for (i = (m >> 3); i--;)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 8;
            pb0 = B + off * 1;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 8; // number of values in A
#else
            temp = off + 1; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
            src_b[0] = pb0[0];
            src_b[1] = pb0[0];

            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;
            res2 = src_a2 * src_b;
            res3 = src_a3 * src_b;

            pb0 += 1;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                pb0 += 1;

                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                pb0 += 1;
            }

            if ((temp - 1) & 1)
            {
                LD_DP4_INC(pa0, 2, src_a0, src_a1, src_a2, src_a3);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;
                res2 += src_a2 * src_b;
                res3 += src_a3 * src_b;

                pb0 += 1;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
            dst2 = res2 * v_alpha;
            dst3 = res3 * v_alpha;
#else
            LD_DP4(pc0, 2, dst0, dst1, dst2, dst3);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
            dst2 += res2 * v_alpha;
            dst3 += res3 * v_alpha;
#endif
            ST_DP4_INC(dst0, dst1, dst2, dst3, pc0, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 8; // number of values in A
#else
            temp -= 1; // number of values in B
#endif
            pa0 += temp * 8;
            pb0 += temp * 1;
#endif

#ifdef LEFT
            off += 8; // number of values in A
#endif
#endif
        }

        if (m & 4)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 4;
            pb0 = B + off * 1;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 4; // number of values in A
#else
            temp = off + 1; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            LD_DP2_INC(pa0, 2, src_a0, src_a1);
            src_b[0] = pb0[0];
            src_b[1] = pb0[0];

            res0 = src_a0 * src_b;
            res1 = src_a1 * src_b;

            pb0 += 1;

            for (l = ((temp - 1) >> 1); l--;)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                pb0 += 1;

                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                pb0 += 1;
            }

            if ((temp - 1) & 1)
            {
                LD_DP2_INC(pa0, 2, src_a0, src_a1);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;
                res1 += src_a1 * src_b;

                pb0 += 1;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
            dst1 = res1 * v_alpha;
#else
            LD_DP2(pc0, 2, dst0, dst1);

            dst0 += res0 * v_alpha;
            dst1 += res1 * v_alpha;
#endif
            ST_DP2_INC(dst0, dst1, pc0, 2);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 4; // number of values in A
#else
            temp -= 1; // number of values in B
#endif
            pa0 += temp * 4;
            pb0 += temp * 1;
#endif

#ifdef LEFT
            off += 4; // number of values in A
#endif
#endif
        }

        if (m & 2)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 2;
            pb0 = B + off * 1;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 2; // number of values in A
#else
            temp = off + 1; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            src_a0 = LD_DP(pa0);
            src_b[0] = pb0[0];
            src_b[1] = pb0[0];

            res0 = src_a0 * src_b;

            pa0 += 2;
            pb0 += 1;

            for (l = ((temp - 1) >> 1); l--;)
            {
                src_a0 = LD_DP(pa0);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;

                pa0 += 2;
                pb0 += 1;

                src_a0 = LD_DP(pa0);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;

                pa0 += 2;
                pb0 += 1;
            }

            if ((temp - 1) & 1)
            {
                src_a0 = LD_DP(pa0);
                src_b[0] = pb0[0];
                src_b[1] = pb0[0];

                res0 += src_a0 * src_b;

                pa0 += 2;
                pb0 += 1;
            }

#if defined(TRMMKERNEL)
            dst0 = res0 * v_alpha;
#else
            dst0 = LD_DP(pc0);

            dst0 += res0 * v_alpha;
#endif
            ST_DP(dst0, pc0);

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 2; // number of values in A
#else
            temp -= 1; // number of values in B
#endif
            pa0 += temp * 2;
            pb0 += temp * 1;
#endif

#ifdef LEFT
            off += 2; // number of values in A
#endif
#endif
            pc0 += 2;
        }

        if (m & 1)
        {
#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            pb0 = B;
#else
            pa0 += off * 1;
            pb0 = B + off * 1;
#endif

#if (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
            temp = k - off;
#elif defined(LEFT)
            temp = off + 1; // number of values in A
#else
            temp = off + 1; // number of values in B
#endif
#else
            pb0 = B;
            temp = k;
#endif

            a0 = pa0[0];
            b0 = pb0[0];
            tmp0 = a0 * b0;

            pa0 += 1;
            pb0 += 1;

            for (l = ((temp - 1) >> 1); l--;)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                pa0 += 1;
                pb0 += 1;

                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                pa0 += 1;
                pb0 += 1;
            }

            if ((temp - 1) & 1)
            {
                a0 = pa0[0];
                b0 = pb0[0];
                tmp0 += a0 * b0;

                pa0 += 1;
                pb0 += 1;
            }

#if defined(TRMMKERNEL)
            pc0[0] = alpha * tmp0;
#else
            pc0[0] += alpha * tmp0;
#endif

#if defined(TRMMKERNEL)
#if (defined(LEFT) && defined(TRANSA)) || (!defined(LEFT) && !defined(TRANSA))
            temp = k - off;
#ifdef LEFT
            temp -= 1; // number of values in A
#else
            temp -= 1; // number of values in B
#endif
            pa0 += temp * 1;
            pb0 += temp * 1;
#endif

#ifdef LEFT
            off += 1; // number of values in A
#endif
#endif

            pc0 += 1;
        }

#if defined(TRMMKERNEL) && !defined(LEFT)
        off += 1; // number of values in A
#endif

        l = (k << 0);
        B = B + l;
        i = (ldc << 0);
        C = C + i;
    }

    return 0;
}