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111
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1 /* ARC options.
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2 Copyright (C) 2016-2017 Free Software Foundation, Inc.
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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 it
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7 under the terms of the GNU General Public License as published
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8 by the Free Software Foundation; either version 3, or (at your
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9 option) any later version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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14 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 /* List of all known ARC hardware modifier options (i.e., compiler
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21 options that are selecting a hardware facility). There can be two
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22 types options: simple switches (e.g. code-density option can be
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23 on/off), or can accept multiple values (e.g., fpu options).
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24
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25 For any valid HW option, define a macro:
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26
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27 ARC_OPT (NAME, CODE, MASK, DOC)
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28
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29 where:
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30 NAME Name (identifier) of a particular hardware modifier option,
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31 as in enum cpu_flags.
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32
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33 CODE 64-bit mask used to encode NAME.
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34
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35 MASK Corresponding GCC's MASK_<option> macro.
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36
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37 DOC A string used when emitting compiler errors or warnings.
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38
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39 For a multi-value option, define a macro for a valid value:
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40
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41 ARC_OPTX (NAME, CODE, VAR, VAL, DOC)
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42
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43 where:
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44 NAME Name (identifier) of a particular hardware modifier
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45 configuration.
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46
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47 CODE 64-bit mask used to encode NAME. It will be encoded in the
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48 same variable like options given via ARC_OPT.
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49
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50 VAR Corresponding GCC's option variable.
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51
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52 VAL Value to be set in VAR.
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53
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54 DOC A string used when emitting compiler errors or warnings.
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55
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56 All multi-value options are defined using ARC_OPTX and ARC_OPT.
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57 ARC_OPT contains a mask with all valid values for the given
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58 option. */
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59
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60 ARC_OPT (FL_CD, (1ULL << 0), MASK_CODE_DENSITY, "code density")
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61 ARC_OPT (FL_DIVREM, (1ULL << 1), MASK_DIVREM, "div/rem")
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62 ARC_OPT (FL_NORM, (1ULL << 2), MASK_NORM_SET, "norm")
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63
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64 ARC_OPT (FL_ATOMIC, (1ULL << 4), MASK_ATOMIC, "atomic")
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65 ARC_OPT (FL_LL64, (1ULL << 5), MASK_LL64, "double load/store")
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66 ARC_OPT (FL_BS, (1ULL << 6), MASK_BARREL_SHIFTER, "barrel shifter")
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67 ARC_OPT (FL_SWAP, (1ULL << 7), MASK_SWAP_SET, "swap")
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68 ARC_OPT (FL_MUL64, (1ULL << 8), MASK_MUL64_SET, "mul64")
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69 ARC_OPT (FL_MUL32x16, (1ULL << 9), MASK_MULMAC_32BY16_SET, "mul32x16")
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70
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71 ARC_OPT (FL_EA, (1ULL << 11), MASK_EA_SET, "extended arithmetics")
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72 ARC_OPT (FL_SPFP, (1ULL << 12), MASK_SPFP_COMPACT_SET, "single precission FPX")
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73 ARC_OPT (FL_DPFP, (1ULL << 13), MASK_DPFP_COMPACT_SET, "double precission FPX")
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74 ARC_OPT (FL_ARGONAUT, (1ULL << 14), MASK_ARGONAUT_SET, "argonaut")
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75 ARC_OPT (FL_SIMD, (1ULL << 15), MASK_SIMD_SET, "simd")
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76
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77 ARC_OPTX (FL_MPYOPT_1, (1ULL << 17), arc_mpy_option, 1, "mpy option w")
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78 ARC_OPTX (FL_MPYOPT_2, (1ULL << 18), arc_mpy_option, 2, "mpy option wlh1")
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79 ARC_OPTX (FL_MPYOPT_3, (1ULL << 19), arc_mpy_option, 3, "mpy option wlh2")
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80 ARC_OPTX (FL_MPYOPT_4, (1ULL << 20), arc_mpy_option, 4, "mpy option wlh3")
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81 ARC_OPTX (FL_MPYOPT_5, (1ULL << 21), arc_mpy_option, 5, "mpy option wlh4")
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82 ARC_OPTX (FL_MPYOPT_6, (1ULL << 22), arc_mpy_option, 6, "mpy option wlh5")
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83 ARC_OPTX (FL_MPYOPT_7, (1ULL << 23), arc_mpy_option, 7, "mpy option plus_dmpy")
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84 ARC_OPTX (FL_MPYOPT_8, (1ULL << 24), arc_mpy_option, 8, "mpy option plus_macd")
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85 ARC_OPTX (FL_MPYOPT_9, (1ULL << 25), arc_mpy_option, 9, "mpy option plus_qmacw")
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86
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87 ARC_OPT (FL_MPYOPT_7_9, (0x01c2ULL << 17), 0, "mpy option")
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88 ARC_OPT (FL_MPYOPT_1_6, (0x003fULL << 17), 0, "mpy option")
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89
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90 ARC_OPTX (FL_FPU_FPUS, (1ULL << 26), arc_fpu_build, FPU_FPUS, "mfpu=fpus")
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91 ARC_OPTX (FL_FPU_FPUS_DIV, (1ULL << 27), arc_fpu_build, FPU_FPUS_DIV, "mfpu=fpus_div")
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92 ARC_OPTX (FL_FPU_FPUS_FMA, (1ULL << 28), arc_fpu_build, FPU_FPUS_FMA, "mfpu=fpus_fma")
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93 ARC_OPTX (FL_FPU_FPUS_ALL, (1ULL << 29), arc_fpu_build, FPU_FPUS_ALL, "mfpu=fpus_all")
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94 ARC_OPTX (FL_FPU_FPUDA, (1ULL << 30), arc_fpu_build, FPU_FPUDA, "mfpu=fpuda")
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95 ARC_OPTX (FL_FPU_FPUDA_DIV, (1ULL << 31), arc_fpu_build, FPU_FPUDA_DIV, "mfpu=fpuda_div")
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96 ARC_OPTX (FL_FPU_FPUDA_FMA, (1ULL << 32), arc_fpu_build, FPU_FPUDA_FMA, "mfpu=fpuda_fma")
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97 ARC_OPTX (FL_FPU_FPUDA_ALL, (1ULL << 33), arc_fpu_build, FPU_FPUDA_ALL, "mfpu=fpuda_all")
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98 ARC_OPTX (FL_FPU_FPUD, (1ULL << 34), arc_fpu_build, FPU_FPUD, "mfpu=fpud")
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99 ARC_OPTX (FL_FPU_FPUD_DIV, (1ULL << 35), arc_fpu_build, FPU_FPUD_DIV, "mfpu=fpud_div")
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100 ARC_OPTX (FL_FPU_FPUD_FMA, (1ULL << 36), arc_fpu_build, FPU_FPUD_FMA, "mfpu=fpud_fma")
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101 ARC_OPTX (FL_FPU_FPUD_ALL, (1ULL << 37), arc_fpu_build, FPU_FPUD_ALL, "mfpu=fpud_all")
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102 ARC_OPTX (FL_FPX_QUARK, (1ULL << 38), arc_fpu_build, FPX_QK, "quarkse fp")
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103
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104 ARC_OPT (FL_FPUS, (0xFULL << 26), 0, "single precission floating point")
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105 ARC_OPT (FL_FPUDA, (0xFFULL << 26), 0, "double precission fp assist")
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106 ARC_OPT (FL_FPUD, (0xF0FULL << 26), 0, "double precission floating point")
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107 ARC_OPT (FL_QUARK, (1ULL << 38), 0, "Quark SE fp extension")
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108
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109 /* Local Variables: */
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110 /* mode: c */
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111 /* End: */
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