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1 /* This file is part of the Intel(R) Cilk(TM) Plus support
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2 This file contains Cilk Support files.
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3 Copyright (C) 2013-2017 Free Software Foundation, Inc.
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4 Contributed by Balaji V. Iyer <balaji.v.iyer@intel.com>,
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5 Intel Corporation
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 3, or (at your option)
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12 any later version.
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13
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14 GCC is distributed in the hope that it will be useful, but
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15 WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 #ifndef GCC_CILK_H
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24 #define GCC_CILK_H
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25
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26 /* Frame status bits known to compiler. */
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27 #define CILK_FRAME_UNSYNCHED 0x02
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28 #define CILK_FRAME_DETACHED 0x04
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29 #define CILK_FRAME_EXCEPTING 0x10
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30 #define CILK_FRAME_VERSION (1 << 24)
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31
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32 enum cilk_tree_index {
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33 /* All the built-in functions for Cilk keywords. */
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34 CILK_TI_F_WORKER = 0, /* __cilkrts_get_worker (). */
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35 CILK_TI_F_SYNC, /* __cilkrts_sync (). */
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36 CILK_TI_F_DETACH, /* __cilkrts_detach (...). */
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37 CILK_TI_F_ENTER, /* __cilkrts_enter_frame (...). */
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38 CILK_TI_F_ENTER_FAST, /* __cilkrts_enter_frame_fast (.). */
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39 CILK_TI_F_LEAVE, /* __cilkrts_leave_frame (...). */
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40 CILK_TI_F_POP, /* __cilkrts_pop_frame (...). */
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41 CILK_TI_F_RETHROW, /* __cilkrts_rethrow (...). */
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42 CILK_TI_F_SAVE_FP, /* __cilkrts_save_fp_ctrl_state (...). */
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43 CILK_TI_F_LOOP_32, /* __cilkrts_cilk_for_32 (...). */
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44 CILK_TI_F_LOOP_64, /* __cilkrts_cilk_for_64 (...). */
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45
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46 /* __cilkrts_stack_frame struct fields. */
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47 CILK_TI_FRAME_FLAGS, /* stack_frame->flags. */
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48 CILK_TI_FRAME_PARENT, /* stack_frame->parent. */
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49 CILK_TI_FRAME_WORKER, /* stack_frame->worker. */
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50 CILK_TI_FRAME_EXCEPTION, /* stack_frame->except_data. */
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51 CILK_TI_FRAME_CONTEXT, /* stack_frame->context[4]. */
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52 CILK_TI_FRAME_PEDIGREE, /* stack_frame->pedigree. */
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53
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54 /* __cilkrts_worker struct fields. */
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55 CILK_TI_WORKER_CUR, /* worker->current_stack_frame. */
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56 CILK_TI_WORKER_TAIL, /* worker->tail. */
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57 CILK_TI_WORKER_PEDIGREE, /* worker->pedigree. */
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58
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59 /* __cilkrts_pedigree struct fields. */
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60 CILK_TI_PEDIGREE_RANK, /* pedigree->rank. */
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61 CILK_TI_PEDIGREE_PARENT, /* pedigree->parent. */
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62
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63 /* Types. */
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64 CILK_TI_FRAME_TYPE, /* struct __cilkrts_stack_frame. */
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65 CILK_TI_FRAME_PTR, /* __cilkrts_stack_frame *. */
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66 CILK_TI_WORKER_TYPE, /* struct __cilkrts_worker. */
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67 CILK_TI_PEDIGREE_TYPE, /* struct __cilkrts_pedigree. */
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68 CILK_TI_MAX
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69 };
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70
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71 extern GTY (()) tree cilk_trees[CILK_TI_MAX];
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72
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73 #define cilk_worker_fndecl cilk_trees[CILK_TI_F_WORKER]
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74 #define cilk_sync_fndecl cilk_trees[CILK_TI_F_SYNC]
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75 #define cilk_synched_fndecl cilk_trees[CILK_TI_F_SYNCED]
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76 #define cilk_detach_fndecl cilk_trees[CILK_TI_F_DETACH]
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77 #define cilk_enter_fndecl cilk_trees[CILK_TI_F_ENTER]
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78 #define cilk_enter_fast_fndecl cilk_trees[CILK_TI_F_ENTER_FAST]
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79 #define cilk_leave_fndecl cilk_trees[CILK_TI_F_LEAVE]
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80 #define cilk_rethrow_fndecl cilk_trees[CILK_TI_F_RETHROW]
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81 #define cilk_pop_fndecl cilk_trees[CILK_TI_F_POP]
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82 #define cilk_save_fp_fndecl cilk_trees[CILK_TI_F_SAVE_FP]
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83 #define cilk_for_32_fndecl cilk_trees[CILK_TI_F_LOOP_32]
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84 #define cilk_for_64_fndecl cilk_trees[CILK_TI_F_LOOP_64]
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85
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86 #define cilk_worker_type_fndecl cilk_trees[CILK_TI_WORKER_TYPE]
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87 #define cilk_frame_type_decl cilk_trees[CILK_TI_FRAME_TYPE]
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88 #define cilk_frame_ptr_type_decl cilk_trees[CILK_TI_FRAME_PTR]
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89 #define cilk_pedigree_type_decl cilk_trees[CILK_TI_PEDIGREE_TYPE]
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90
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91 extern void expand_builtin_cilk_detach (tree);
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92 extern void expand_builtin_cilk_pop_frame (tree);
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93 extern tree cilk_arrow (tree, int, bool);
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94 extern tree cilk_dot (tree, int, bool);
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95 extern void cilk_init_builtins (void);
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96 extern void gimplify_cilk_sync (tree *, gimple_seq *);
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97 extern tree cilk_call_setjmp (tree);
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98
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99 /* Returns true if Cilk Plus is enabled and if F->cilk_frame_decl is not
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100 NULL_TREE. */
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101
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102 inline bool
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103 fn_contains_cilk_spawn_p (function *f)
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104 {
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105 return (flag_cilkplus
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106 && (f->calls_cilk_spawn || f->cilk_frame_decl != NULL_TREE));
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107 }
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108
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109 #endif
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