gcc/cilk.h

   1 /* This file is part of the Intel(R) Cilk(TM) Plus support
   2    This file contains Cilk Support files.
   3    Copyright (C) 2013-2014 Free Software Foundation, Inc.
   4    Contributed by Balaji V. Iyer <balaji.v.iyer@intel.com>,
   5                   Intel Corporation
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify it
  10    under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    GCC is distributed in the hope that it will be useful, but
  15    WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17    General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING3.  If not see
  21    <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef GCC_CILK_H
  24 #define GCC_CILK_H
  25
  26 /* Frame status bits known to compiler.  */
  27 #define CILK_FRAME_UNSYNCHED 0x02
  28 #define CILK_FRAME_DETACHED  0x04
  29 #define CILK_FRAME_EXCEPTING 0x10
  30 #define CILK_FRAME_VERSION   (1 << 24)
  31
  32 enum cilk_tree_index  {
  33 /* All the built-in functions for Cilk keywords.  */
  34   CILK_TI_F_WORKER = 0,               /* __cilkrts_get_worker ().  */
  35   CILK_TI_F_SYNC,                     /* __cilkrts_sync ().  */
  36   CILK_TI_F_DETACH,                   /* __cilkrts_detach (...).   */
  37   CILK_TI_F_ENTER,                    /* __cilkrts_enter_frame (...).  */
  38   CILK_TI_F_ENTER_FAST,               /* __cilkrts_enter_frame_fast (.).  */
  39   CILK_TI_F_LEAVE,                    /* __cilkrts_leave_frame (...).  */
  40   CILK_TI_F_POP,                      /* __cilkrts_pop_frame (...).  */
  41   CILK_TI_F_RETHROW,                  /* __cilkrts_rethrow (...).  */
  42   CILK_TI_F_SAVE_FP,                  /* __cilkrts_save_fp_ctrl_state (...).  */
  43   /* __cilkrts_stack_frame struct fields.  */
  44   CILK_TI_FRAME_FLAGS,                /* stack_frame->flags.  */
  45   CILK_TI_FRAME_PARENT,               /* stack_frame->parent.  */
  46   CILK_TI_FRAME_WORKER,               /* stack_frame->worker.  */
  47   CILK_TI_FRAME_EXCEPTION,            /* stack_frame->except_data.  */
  48   CILK_TI_FRAME_CONTEXT,              /* stack_frame->context[4].  */
  49   CILK_TI_FRAME_PEDIGREE,             /* stack_frame->pedigree.  */
  50
  51   /* __cilkrts_worker struct fields.  */
  52   CILK_TI_WORKER_CUR,                 /* worker->current_stack_frame.  */
  53   CILK_TI_WORKER_TAIL,                /* worker->tail.  */
  54   CILK_TI_WORKER_PEDIGREE,            /* worker->pedigree.  */
  55
  56   /* __cilkrts_pedigree struct fields.  */
  57   CILK_TI_PEDIGREE_RANK,              /* pedigree->rank.  */
  58   CILK_TI_PEDIGREE_PARENT,            /* pedigree->parent.  */
  59
  60   /* Types.  */
  61   CILK_TI_FRAME_TYPE,                 /* struct __cilkrts_stack_frame.  */
  62   CILK_TI_FRAME_PTR,                  /* __cilkrts_stack_frame *.  */
  63   CILK_TI_WORKER_TYPE,                /* struct __cilkrts_worker.  */
  64   CILK_TI_PEDIGREE_TYPE,              /* struct __cilkrts_pedigree.  */
  65   CILK_TI_MAX
  66 };
  67
  68 extern GTY (()) tree cilk_trees[CILK_TI_MAX];
  69
  70 #define cilk_worker_fndecl            cilk_trees[CILK_TI_F_WORKER]
  71 #define cilk_sync_fndecl              cilk_trees[CILK_TI_F_SYNC]
  72 #define cilk_synched_fndecl           cilk_trees[CILK_TI_F_SYNCED]
  73 #define cilk_detach_fndecl            cilk_trees[CILK_TI_F_DETACH]
  74 #define cilk_enter_fndecl             cilk_trees[CILK_TI_F_ENTER]
  75 #define cilk_enter_fast_fndecl        cilk_trees[CILK_TI_F_ENTER_FAST]
  76 #define cilk_leave_fndecl             cilk_trees[CILK_TI_F_LEAVE]
  77 #define cilk_rethrow_fndecl           cilk_trees[CILK_TI_F_RETHROW]
  78 #define cilk_pop_fndecl               cilk_trees[CILK_TI_F_POP]
  79 #define cilk_save_fp_fndecl           cilk_trees[CILK_TI_F_SAVE_FP]
  80
  81 #define cilk_worker_type_fndecl       cilk_trees[CILK_TI_WORKER_TYPE]
  82 #define cilk_frame_type_decl          cilk_trees[CILK_TI_FRAME_TYPE]
  83 #define cilk_frame_ptr_type_decl      cilk_trees[CILK_TI_FRAME_PTR]
  84 #define cilk_pedigree_type_decl       cilk_trees[CILK_TI_PEDIGREE_TYPE]
  85
  86 extern void expand_builtin_cilk_detach (tree);
  87 extern void expand_builtin_cilk_pop_frame (tree);
  88 extern tree cilk_arrow (tree, int, bool);
  89 extern tree cilk_dot (tree, int, bool);
  90 extern void cilk_init_builtins (void);
  91 extern void gimplify_cilk_sync (tree *, gimple_seq *);
  92 extern tree cilk_call_setjmp (tree);
  93
  94 /* Returns true if Cilk Plus is enabled and if F->cilk_frame_decl is not
  95    NULL_TREE.  */
  96
  97 inline bool
  98 fn_contains_cilk_spawn_p (function *f)
  99 {
 100   return (flag_cilkplus
 101           && (f->calls_cilk_spawn || f->cilk_frame_decl != NULL_TREE));
 102 }
 103
 104 #endif