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1 `/* Implementation of the MATMUL intrinsic
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2 Copyright (C) 2002-2020 Free Software Foundation, Inc.
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3 Contributed by Thomas Koenig <tkoenig@gcc.gnu.org>.
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4
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5 This file is part of the GNU Fortran runtime library (libgfortran).
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6
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7 Libgfortran is free software; you can redistribute it and/or
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8 modify it under the terms of the GNU General Public
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9 License as published by the Free Software Foundation; either
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10 version 3 of the License, or (at your option) any later version.
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11
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12 Libgfortran is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 #include "libgfortran.h"
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27 #include <string.h>
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28 #include <assert.h>'
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29
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30 include(iparm.m4)dnl
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31
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32 /* These are the specific versions of matmul with -mprefer-avx128. */
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33
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34 `#if defined (HAVE_'rtype_name`)
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35
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36 /* Prototype for the BLAS ?gemm subroutine, a pointer to which can be
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37 passed to us by the front-end, in which case we call it for large
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38 matrices. */
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39
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40 typedef void (*blas_call)(const char *, const char *, const int *, const int *,
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41 const int *, const 'rtype_name` *, const 'rtype_name` *,
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42 const int *, const 'rtype_name` *, const int *,
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43 const 'rtype_name` *, 'rtype_name` *, const int *,
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44 int, int);
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45
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46 #if defined(HAVE_AVX) && defined(HAVE_FMA3) && defined(HAVE_AVX128)
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47 'define(`matmul_name',`matmul_'rtype_code`_avx128_fma3')dnl
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48 `void
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49 'matmul_name` ('rtype` * const restrict retarray,
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50 'rtype` * const restrict a, 'rtype` * const restrict b, int try_blas,
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51 int blas_limit, blas_call gemm) __attribute__((__target__("avx,fma")));
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52 internal_proto('matmul_name`);
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53 'include(matmul_internal.m4)dnl
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54 `#endif
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55
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56 #if defined(HAVE_AVX) && defined(HAVE_FMA4) && defined(HAVE_AVX128)
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57 'define(`matmul_name',`matmul_'rtype_code`_avx128_fma4')dnl
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58 `void
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59 'matmul_name` ('rtype` * const restrict retarray,
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60 'rtype` * const restrict a, 'rtype` * const restrict b, int try_blas,
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61 int blas_limit, blas_call gemm) __attribute__((__target__("avx,fma4")));
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62 internal_proto('matmul_name`);
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63 'include(matmul_internal.m4)dnl
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64 `#endif
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65
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66 #endif
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67 '
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