1  /* Definitions for microarchitecture-related data structures.
       2     Copyright (C) 2021-2023 Free Software Foundation, Inc.
       3     Contributed by Loongson Ltd.
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify
       8  it under the terms of the GNU General Public License as published by
       9  the Free Software Foundation; either version 3, or (at your option)
      10  any later version.
      11  
      12  GCC 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  You should have received a copy of the GNU General Public License
      18  along with GCC; see the file COPYING3.  If not see
      19  <http://www.gnu.org/licenses/>.  */
      20  
      21  #ifndef LOONGARCH_TUNE_H
      22  #define LOONGARCH_TUNE_H
      23  
      24  /* RTX costs of various operations on the different architectures.  */
      25  struct loongarch_rtx_cost_data
      26  {
      27    unsigned short fp_add;
      28    unsigned short fp_mult_sf;
      29    unsigned short fp_mult_df;
      30    unsigned short fp_div_sf;
      31    unsigned short fp_div_df;
      32    unsigned short int_mult_si;
      33    unsigned short int_mult_di;
      34    unsigned short int_div_si;
      35    unsigned short int_div_di;
      36    unsigned short branch_cost;
      37    unsigned short memory_latency;
      38  };
      39  
      40  /* Costs to use when optimizing for size.  */
      41  extern const struct loongarch_rtx_cost_data loongarch_rtx_cost_optimize_size;
      42  
      43  /* Cache size record of known processor models.  */
      44  struct loongarch_cache {
      45      int l1d_line_size;  /* bytes */
      46      int l1d_size;       /* KiB */
      47      int l2d_size;       /* kiB */
      48      int simultaneous_prefetches; /* number of parallel prefetch */
      49  };
      50  
      51  #endif /* LOONGARCH_TUNE_H */