gcc/common/config/sh/sh-common.cc

   1 /* Common hooks for Renesas / SuperH SH.
   2    Copyright (C) 1993-2024 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
   7 it 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,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU 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 #include "config.h"
  21 #include "system.h"
  22 #include "coretypes.h"
  23 #include "tm.h"
  24 #include "common/common-target.h"
  25 #include "common/common-target-def.h"
  26 #include "opts.h"
  27 #include "flags.h"
  28
  29 /* Set default optimization options.  */
  30 static const struct default_options sh_option_optimization_table[] =
  31   {
  32     { OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 },
  33     { OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 },
  34     { OPT_LEVELS_ALL, OPT__param_simultaneous_prefetches_, NULL, 2 },
  35     { OPT_LEVELS_NONE, 0, NULL, 0 }
  36   };
  37
  38 /* Implement TARGET_HANDLE_OPTION.  */
  39
  40 static bool
  41 sh_handle_option (struct gcc_options *opts,
  42                   struct gcc_options *opts_set ATTRIBUTE_UNUSED,
  43                   const struct cl_decoded_option *decoded,
  44                   location_t loc ATTRIBUTE_UNUSED)
  45 {
  46   size_t code = decoded->opt_index;
  47
  48   switch (code)
  49     {
  50     case OPT_m1:
  51       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH1;
  52       return true;
  53
  54     case OPT_m2:
  55       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2;
  56       return true;
  57
  58     case OPT_m2a:
  59       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A;
  60       return true;
  61
  62     case OPT_m2a_nofpu:
  63       opts->x_target_flags
  64         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_NOFPU;
  65       return true;
  66
  67     case OPT_m2a_single:
  68       opts->x_target_flags
  69         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE;
  70       return true;
  71
  72     case OPT_m2a_single_only:
  73       opts->x_target_flags
  74         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2A_SINGLE_ONLY;
  75       return true;
  76
  77     case OPT_m2e:
  78       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH2E;
  79       return true;
  80
  81     case OPT_m3:
  82       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3;
  83       return true;
  84
  85     case OPT_m3e:
  86       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH3E;
  87       return true;
  88
  89     case OPT_m4:
  90     case OPT_m4_100:
  91     case OPT_m4_200:
  92     case OPT_m4_300:
  93       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4;
  94       return true;
  95
  96     case OPT_m4_nofpu:
  97     case OPT_m4_100_nofpu:
  98     case OPT_m4_200_nofpu:
  99     case OPT_m4_300_nofpu:
 100     case OPT_m4_340:
 101     case OPT_m4_400:
 102     case OPT_m4_500:
 103       opts->x_target_flags
 104         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_NOFPU;
 105       return true;
 106
 107     case OPT_m4_single:
 108     case OPT_m4_100_single:
 109     case OPT_m4_200_single:
 110     case OPT_m4_300_single:
 111       opts->x_target_flags
 112         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE;
 113       return true;
 114
 115     case OPT_m4_single_only:
 116     case OPT_m4_100_single_only:
 117     case OPT_m4_200_single_only:
 118     case OPT_m4_300_single_only:
 119       opts->x_target_flags
 120         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4_SINGLE_ONLY;
 121       return true;
 122
 123     case OPT_m4a:
 124       opts->x_target_flags = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A;
 125       return true;
 126
 127     case OPT_m4a_nofpu:
 128     case OPT_m4al:
 129       opts->x_target_flags
 130         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_NOFPU;
 131       return true;
 132
 133     case OPT_m4a_single:
 134       opts->x_target_flags
 135         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE;
 136       return true;
 137
 138     case OPT_m4a_single_only:
 139       opts->x_target_flags
 140         = (opts->x_target_flags & ~MASK_ARCH) | SELECT_SH4A_SINGLE_ONLY;
 141       return true;
 142
 143     default:
 144       return true;
 145     }
 146 }
 147
 148 #undef TARGET_OPTION_OPTIMIZATION_TABLE
 149 #define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
 150 #undef TARGET_DEFAULT_TARGET_FLAGS
 151 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
 152 #undef TARGET_HANDLE_OPTION
 153 #define TARGET_HANDLE_OPTION sh_handle_option
 154
 155 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;