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      1 `/* Implementation of the MATMUL intrinsic
      2    Copyright (C) 2002-2024 Free Software Foundation, Inc.
      3    Contributed by Thomas Koenig <tkoenig (a] gcc.gnu.org>.
      4 
      5 This file is part of the GNU Fortran runtime library (libgfortran).
      6 
      7 Libgfortran is free software; you can redistribute it and/or
      8 modify it under the terms of the GNU General Public
      9 License as published by the Free Software Foundation; either
     10 version 3 of the License, or (at your option) any later version.
     11 
     12 Libgfortran is distributed in the hope that it will be useful,
     13 but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 GNU General Public License for more details.
     16 
     17 Under Section 7 of GPL version 3, you are granted additional
     18 permissions described in the GCC Runtime Library Exception, version
     19 3.1, as published by the Free Software Foundation.
     20 
     21 You should have received a copy of the GNU General Public License and
     22 a copy of the GCC Runtime Library Exception along with this program;
     23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     24 <http://www.gnu.org/licenses/>.  */
     25 
     26 #include "libgfortran.h"
     27 #include <string.h>
     28 #include <assert.h>'
     29 
     30 include(iparm.m4)dnl
     31 
     32 /* These are the specific versions of matmul with -mprefer-avx128.  */
     33 
     34 `#if defined (HAVE_'rtype_name`)
     35 
     36 /* Prototype for the BLAS ?gemm subroutine, a pointer to which can be
     37    passed to us by the front-end, in which case we call it for large
     38    matrices.  */
     39 
     40 typedef void (*blas_call)(const char *, const char *, const int *, const int *,
     41                           const int *, const 'rtype_name` *, const 'rtype_name` *,
     42                           const int *, const 'rtype_name` *, const int *,
     43                           const 'rtype_name` *, 'rtype_name` *, const int *,
     44                           int, int);
     45 
     46 #if defined(HAVE_AVX) && defined(HAVE_FMA3) && defined(HAVE_AVX128)
     47 'define(`matmul_name',`matmul_'rtype_code`_avx128_fma3')dnl
     48 `void
     49 'matmul_name` ('rtype` * const restrict retarray, 
     50 	'rtype` * const restrict a, 'rtype` * const restrict b, int try_blas,
     51 	int blas_limit, blas_call gemm) __attribute__((__target__("avx,fma")));
     52 internal_proto('matmul_name`);
     53 'include(matmul_internal.m4)dnl
     54 `#endif
     55 
     56 #if defined(HAVE_AVX) && defined(HAVE_FMA4) && defined(HAVE_AVX128)
     57 'define(`matmul_name',`matmul_'rtype_code`_avx128_fma4')dnl
     58 `void
     59 'matmul_name` ('rtype` * const restrict retarray, 
     60 	'rtype` * const restrict a, 'rtype` * const restrict b, int try_blas,
     61 	int blas_limit, blas_call gemm) __attribute__((__target__("avx,fma4")));
     62 internal_proto('matmul_name`);
     63 'include(matmul_internal.m4)dnl
     64 `#endif
     65 
     66 #endif
     67 '
     68