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1 /* Common hooks for Texas Instruments MSP430.
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145
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2 Copyright (C) 2014-2020 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 "diagnostic-core.h"
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24 #include "tm.h"
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25 #include "common/common-target.h"
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26 #include "common/common-target-def.h"
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27 #include "opts.h"
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28 #include "flags.h"
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29
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30 /* Check for generic -mcpu= and -mmcu= names here. If found then we
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31 convert to a baseline cpu name. Otherwise we allow the option to
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32 be passed on to the backend where it can be checked more fully. */
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33
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34 static bool
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35 msp430_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED,
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36 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
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37 const struct cl_decoded_option *decoded,
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38 location_t loc ATTRIBUTE_UNUSED)
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39 {
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40 switch (decoded->opt_index)
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41 {
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42 case OPT_mcpu_:
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43 if (strcasecmp (decoded->arg, "msp430x") == 0
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44 || strcasecmp (decoded->arg, "msp430xv2") == 0
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45 || strcasecmp (decoded->arg, "430x") == 0
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46 || strcasecmp (decoded->arg, "430xv2") == 0)
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47 {
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48 target_cpu = "msp430x";
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49 }
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50 else if (strcasecmp (decoded->arg, "msp430") == 0
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51 || strcasecmp (decoded->arg, "430") == 0)
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52 {
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53 target_cpu = "msp430";
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54 }
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55 else
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56 {
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57 error ("unrecognized argument of %<-mcpu%>: %s", decoded->arg);
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111
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58 return false;
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59 }
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60 break;
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61
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62 case OPT_mmcu_:
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63 /* For backwards compatibility we recognise two generic MCU
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64 430X names. However we want to be able to generate special C
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65 preprocessor defines for them, which is why we set target_mcu
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66 to NULL. */
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67 if (strcasecmp (decoded->arg, "msp430") == 0)
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68 {
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69 target_cpu = "msp430";
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70 target_mcu = NULL;
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71 }
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72 else if (strcasecmp (decoded->arg, "msp430x") == 0
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73 || strcasecmp (decoded->arg, "msp430xv2") == 0)
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74 {
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75 target_cpu = "msp430x";
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76 target_mcu = NULL;
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77 }
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78 break;
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79 }
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80
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81 return true;
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82 }
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83
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84 #undef TARGET_HANDLE_OPTION
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85 #define TARGET_HANDLE_OPTION msp430_handle_option
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86
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87 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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