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1 /* Miscellaneous transactional memory support definitions.
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2 Copyright (C) 2009-2020 Free Software Foundation, Inc.
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3 Contributed by Richard Henderson <rth@redhat.com>
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4 and Aldy Hernandez <aldyh@redhat.com>.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #ifndef GCC_TRANS_MEM_H
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23 #define GCC_TRANS_MEM_H
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24
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25 /* These defines must match the enumerations in libitm.h. */
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26 #define PR_INSTRUMENTEDCODE 0x0001
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27 #define PR_UNINSTRUMENTEDCODE 0x0002
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28 #define PR_MULTIWAYCODE (PR_INSTRUMENTEDCODE | PR_UNINSTRUMENTEDCODE)
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29 #define PR_HASNOXMMUPDATE 0x0004
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30 #define PR_HASNOABORT 0x0008
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31 #define PR_HASNOIRREVOCABLE 0x0020
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32 #define PR_DOESGOIRREVOCABLE 0x0040
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33 #define PR_HASNOSIMPLEREADS 0x0080
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34 #define PR_AWBARRIERSOMITTED 0x0100
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35 #define PR_RARBARRIERSOMITTED 0x0200
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36 #define PR_UNDOLOGCODE 0x0400
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37 #define PR_PREFERUNINSTRUMENTED 0x0800
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38 #define PR_EXCEPTIONBLOCK 0x1000
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39 #define PR_HASELSE 0x2000
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40 #define PR_READONLY 0x4000
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41
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42 extern void compute_transaction_bits (void);
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43 extern bool is_tm_ending (gimple *);
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44 extern tree build_tm_abort_call (location_t, bool);
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45 extern bool is_tm_safe (const_tree);
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46 extern bool is_tm_pure (const_tree);
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47 extern bool is_tm_may_cancel_outer (tree);
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48 extern bool is_tm_ending_fndecl (tree);
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49 extern void record_tm_replacement (tree, tree);
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50 extern void tm_malloc_replacement (tree);
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51
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52 #endif // GCC_TRANS_MEM_H
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