gcc/trans-mem.h

   1 /* Miscellaneous transactional memory support definitions.
   2    Copyright (C) 2009-2022 Free Software Foundation, Inc.
   3    Contributed by Richard Henderson <rth@redhat.com>
   4    and Aldy Hernandez <aldyh@redhat.com>.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it under
   9    the terms of the GNU General Public License as published by the Free
  10    Software Foundation; either version 3, or (at your option) any later
  11    version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16    for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_TRANS_MEM_H
  23 #define GCC_TRANS_MEM_H
  24
  25 /* These defines must match the enumerations in libitm.h.  */
  26 #define PR_INSTRUMENTEDCODE     0x0001
  27 #define PR_UNINSTRUMENTEDCODE   0x0002
  28 #define PR_MULTIWAYCODE         (PR_INSTRUMENTEDCODE | PR_UNINSTRUMENTEDCODE)
  29 #define PR_HASNOXMMUPDATE       0x0004
  30 #define PR_HASNOABORT           0x0008
  31 #define PR_HASNOIRREVOCABLE     0x0020
  32 #define PR_DOESGOIRREVOCABLE    0x0040
  33 #define PR_HASNOSIMPLEREADS     0x0080
  34 #define PR_AWBARRIERSOMITTED    0x0100
  35 #define PR_RARBARRIERSOMITTED   0x0200
  36 #define PR_UNDOLOGCODE          0x0400
  37 #define PR_PREFERUNINSTRUMENTED 0x0800
  38 #define PR_EXCEPTIONBLOCK       0x1000
  39 #define PR_HASELSE              0x2000
  40 #define PR_READONLY             0x4000
  41
  42 extern void compute_transaction_bits (void);
  43 extern bool is_tm_ending (gimple *);
  44 extern tree build_tm_abort_call (location_t, bool);
  45 extern bool is_tm_safe (const_tree);
  46 extern bool is_tm_pure (const_tree);
  47 extern bool is_tm_may_cancel_outer (tree);
  48 extern bool is_tm_ending_fndecl (tree);
  49 extern void record_tm_replacement (tree, tree);
  50 extern void tm_malloc_replacement (tree);
  51
  52 #endif  // GCC_TRANS_MEM_H