1  /* Miscellaneous transactional memory support definitions.
       2     Copyright (C) 2009-2023 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