gcc/config/aarch64/tuning_models/thunderxt88.h

   1 /* Tuning model description for AArch64 architecture.
   2    Copyright (C) 2009-2024 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GCC is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING3.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef GCC_AARCH64_H_THUNDERXT88
  21 #define GCC_AARCH64_H_THUNDERXT88
  22
  23 #include "generic.h"
  24 #include "thunderx.h"
  25
  26 static const cpu_prefetch_tune thunderxt88_prefetch_tune =
  27 {
  28   8,                    /* num_slots  */
  29   32,                   /* l1_cache_size  */
  30   128,                  /* l1_cache_line_size  */
  31   16*1024,              /* l2_cache_size  */
  32   true,                 /* prefetch_dynamic_strides */
  33   -1,                   /* minimum_stride */
  34   3                     /* default_opt_level  */
  35 };
  36
  37 static const struct tune_params thunderxt88_tunings =
  38 {
  39   &thunderx_extra_costs,
  40   &generic_addrcost_table,
  41   &thunderx_regmove_cost,
  42   &thunderx_vector_cost,
  43   &generic_branch_cost,
  44   &generic_approx_modes,
  45   SVE_NOT_IMPLEMENTED, /* sve_width  */
  46   { 6, /* load_int.  */
  47     6, /* store_int.  */
  48     6, /* load_fp.  */
  49     6, /* store_fp.  */
  50     6, /* load_pred.  */
  51     6 /* store_pred.  */
  52   }, /* memmov_cost.  */
  53   2, /* issue_rate  */
  54   AARCH64_FUSE_ALU_BRANCH, /* fusible_ops  */
  55   "8",  /* function_align.  */
  56   "8",  /* jump_align.  */
  57   "8",  /* loop_align.  */
  58   2,    /* int_reassoc_width.  */
  59   4,    /* fp_reassoc_width.  */
  60   1,    /* fma_reassoc_width.  */
  61   1,    /* vec_reassoc_width.  */
  62   2,    /* min_div_recip_mul_sf.  */
  63   2,    /* min_div_recip_mul_df.  */
  64   0,    /* max_case_values.  */
  65   tune_params::AUTOPREFETCHER_OFF,      /* autoprefetcher_model.  */
  66   (AARCH64_EXTRA_TUNE_NONE),    /* tune_flags.  */
  67   &thunderxt88_prefetch_tune,
  68   AARCH64_LDP_STP_POLICY_ALIGNED,   /* ldp_policy_model.  */
  69   AARCH64_LDP_STP_POLICY_ALIGNED    /* stp_policy_model.  */
  70 };
  71
  72 #endif /* GCC_AARCH64_H_THUNDERXT88.  */