trans-mem.h

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/* Miscellaneous transactional memory support definitions.
   Copyright (C) 2009-2026 Free Software Foundation, Inc.
   Contributed by Richard Henderson <rth@redhat.com>
   and Aldy Hernandez <aldyh@redhat.com>.
 
   This file is part of GCC.
 
   GCC is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 3, or (at your option) any later
   version.
 
   GCC is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.
 
   You should have received a copy of the GNU General Public License
   along with GCC; see the file COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */
 
#ifndef GCC_TRANS_MEM_H
#define GCC_TRANS_MEM_H
 
/* These defines must match the enumerations in libitm.h.  */
#define PR_INSTRUMENTEDCODE     0x0001
#define PR_UNINSTRUMENTEDCODE   0x0002
#define PR_MULTIWAYCODE         (PR_INSTRUMENTEDCODE | PR_UNINSTRUMENTEDCODE)
#define PR_HASNOXMMUPDATE       0x0004
#define PR_HASNOABORT           0x0008
#define PR_HASNOIRREVOCABLE     0x0020
#define PR_DOESGOIRREVOCABLE    0x0040
#define PR_HASNOSIMPLEREADS     0x0080
#define PR_AWBARRIERSOMITTED    0x0100
#define PR_RARBARRIERSOMITTED   0x0200
#define PR_UNDOLOGCODE          0x0400
#define PR_PREFERUNINSTRUMENTED 0x0800
#define PR_EXCEPTIONBLOCK       0x1000
#define PR_HASELSE              0x2000
#define PR_READONLY             0x4000
 
extern void compute_transaction_bits (void);
extern bool is_tm_ending (gimple *);
extern tree build_tm_abort_call (location_t, bool);
extern bool is_tm_safe (const_tree);
extern bool is_tm_pure (const_tree);
extern bool is_tm_may_cancel_outer (tree);
extern bool is_tm_ending_fndecl (tree);
extern void record_tm_replacement (tree, tree);
extern void tm_malloc_replacement (tree);
 
#endif  // GCC_TRANS_MEM_H