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1 /* Definitions for option handling for ARM.
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145
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2 Copyright (C) 1991-2020 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 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 Under Section 7 of GPL version 3, you are granted additional
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17 permissions described in the GCC Runtime Library Exception, version
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18 3.1, as published by the Free Software Foundation.
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19
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20 You should have received a copy of the GNU General Public License and
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21 a copy of the GCC Runtime Library Exception along with this program;
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22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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23 <http://www.gnu.org/licenses/>. */
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24
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25 #ifndef ARM_OPTS_H
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26 #define ARM_OPTS_H
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27
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28 #include "arm-flags.h"
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29 #include "arm-isa.h"
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30 #include "arm-cpu.h"
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31
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32 /* Which __fp16 format to use.
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33 The enumeration values correspond to the numbering for the
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34 Tag_ABI_FP_16bit_format attribute.
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35 */
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36 enum arm_fp16_format_type
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37 {
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38 ARM_FP16_FORMAT_NONE = 0,
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39 ARM_FP16_FORMAT_IEEE = 1,
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40 ARM_FP16_FORMAT_ALTERNATIVE = 2
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41 };
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42
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43 /* Which ABI to use. */
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44 enum arm_abi_type
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45 {
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46 ARM_ABI_APCS,
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47 ARM_ABI_ATPCS,
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48 ARM_ABI_AAPCS,
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49 ARM_ABI_IWMMXT,
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50 ARM_ABI_AAPCS_LINUX
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51 };
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52
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53 enum float_abi_type
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54 {
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55 ARM_FLOAT_ABI_SOFT,
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56 ARM_FLOAT_ABI_SOFTFP,
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57 ARM_FLOAT_ABI_HARD
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58 };
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59
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60 /* Which thread pointer access sequence to use. */
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61 enum arm_tp_type {
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62 TP_AUTO,
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63 TP_SOFT,
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64 TP_CP15
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65 };
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66
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67 /* Which TLS scheme to use. */
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68 enum arm_tls_type {
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69 TLS_GNU,
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70 TLS_GNU2
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71 };
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72 #endif
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