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111
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1 /* Common hooks for CRIS.
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145
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2 Copyright (C) 1998-2020 Free Software Foundation, Inc.
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111
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #include "config.h"
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21 #include "system.h"
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22 #include "coretypes.h"
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23 #include "tm.h"
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24 #include "common/common-target.h"
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25 #include "common/common-target-def.h"
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26 #include "opts.h"
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27 #include "flags.h"
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28
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29 /* TARGET_HANDLE_OPTION worker. We just store the values into local
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30 variables here. Checks for correct semantics are in
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31 cris_option_override. */
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32
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33 static bool
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34 cris_handle_option (struct gcc_options *opts,
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35 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
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36 const struct cl_decoded_option *decoded,
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37 location_t loc ATTRIBUTE_UNUSED)
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38 {
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39 size_t code = decoded->opt_index;
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40
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41 switch (code)
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42 {
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43 case OPT_metrax100:
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44 opts->x_target_flags
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45 |= (MASK_SVINTO
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46 + MASK_ETRAX4_ADD
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47 + MASK_ALIGN_BY_32);
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48 break;
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49
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50 case OPT_mno_etrax100:
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51 opts->x_target_flags
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52 &= ~(MASK_SVINTO
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53 + MASK_ETRAX4_ADD
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54 + MASK_ALIGN_BY_32);
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55 break;
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56
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57 case OPT_m32_bit:
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58 case OPT_m32bit:
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59 opts->x_target_flags
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60 |= (MASK_STACK_ALIGN
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61 + MASK_CONST_ALIGN
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62 + MASK_DATA_ALIGN
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63 + MASK_ALIGN_BY_32);
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64 break;
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65
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66 case OPT_m16_bit:
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67 case OPT_m16bit:
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68 opts->x_target_flags
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69 |= (MASK_STACK_ALIGN
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70 + MASK_CONST_ALIGN
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71 + MASK_DATA_ALIGN);
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72 break;
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73
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74 case OPT_m8_bit:
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75 case OPT_m8bit:
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76 opts->x_target_flags
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77 &= ~(MASK_STACK_ALIGN
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78 + MASK_CONST_ALIGN
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79 + MASK_DATA_ALIGN);
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80 break;
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81
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82 default:
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83 break;
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84 }
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85
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86 return true;
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87 }
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88
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89 #undef TARGET_DEFAULT_TARGET_FLAGS
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90 #define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | CRIS_SUBTARGET_DEFAULT)
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91 #undef TARGET_HANDLE_OPTION
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92 #define TARGET_HANDLE_OPTION cris_handle_option
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93
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94 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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