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1 /* Subroutines for the gcc driver.
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2 Copyright (C) 2016-2017 Free Software Foundation, Inc.
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3 Contributed by Claudiu Zissulescu <claziss@synopsys.com>
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #include "config.h"
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22 #include "system.h"
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23 #include "coretypes.h"
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24 #include "tm.h"
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25
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26 /* Returns command line parameters to pass to as. */
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27
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28 const char*
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29 arc_cpu_to_as (int argc, const char **argv)
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30 {
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31 const char *name = NULL;
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32 const arc_cpu_t *arc_selected_cpu;
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33
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34 /* No argument, check what is the default cpu. */
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35 if (argc == 0)
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36 {
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37 arc_selected_cpu = &arc_cpu_types[(int) TARGET_CPU_DEFAULT];
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38 }
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39 else
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40 {
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41 name = argv[0];
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42 for (arc_selected_cpu = arc_cpu_types; arc_selected_cpu->name;
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43 arc_selected_cpu++)
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44 {
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45 if (strcmp (arc_selected_cpu->name, name) == 0)
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46 break;
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47 }
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48 }
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49
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50 switch (arc_selected_cpu->arch_info->arch_id)
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51 {
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52 case BASE_ARCH_em:
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53 if (arc_selected_cpu->flags & FL_CD)
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54 name = "-mcode-density";
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55 else
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56 name = "";
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57 if (arc_selected_cpu->flags & FL_FPUDA)
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58 name = concat ("-mfpuda ", name, NULL);
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59 if (arc_selected_cpu->flags & FL_SPFP)
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60 name = concat ("-mspfp ", name, NULL);
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61 if (arc_selected_cpu->flags & FL_DPFP)
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62 name = concat ("-mdpfp ", name, NULL);
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63 return concat ("-mcpu=arcem ", name, NULL);
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64 case BASE_ARCH_hs:
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65 return "-mcpu=archs";
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66 case BASE_ARCH_700:
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67 if (arc_selected_cpu->processor == PROCESSOR_nps400)
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68 return "-mcpu=nps400 -mEA";
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69 else
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70 return "-mcpu=arc700 -mEA";
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71 case BASE_ARCH_6xx:
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72 if (arc_selected_cpu->flags & FL_MUL64)
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73 return "-mcpu=arc600 -mmul64 -mnorm";
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74 if (arc_selected_cpu->flags & FL_MUL32x16)
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75 return "-mcpu=arc600 -mdsp-packa -mnorm";
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76 return "-mcpu=arc600 -mnorm";
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77 default:
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78 gcc_unreachable ();
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79 }
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80 return NULL;
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81 }
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