gcc/brig/brigfrontend/brig-fbarrier-handler.cc

   1 /* brig-fbarrier-handler.cc -- brig fbarrier directive handling
   2    Copyright (C) 2016-2019 Free Software Foundation, Inc.
   3    Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
   4    for General Processor Tech.
   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 #include "brig-code-entry-handler.h"
  23
  24 #include "stringpool.h"
  25 #include "errors.h"
  26
  27 /* Allocate this many bytes from the group segment for each fbarrier.  */
  28 #define FBARRIER_STRUCT_SIZE 32
  29
  30 size_t
  31 brig_directive_fbarrier_handler::operator () (const BrigBase *base)
  32 {
  33   /* Model fbarriers as group segment variables with fixed size
  34      large enough to store whatever data the actual target needs
  35      to store to maintain the barrier info.  The handle is the
  36      offset to the beginning of the object.  */
  37
  38   const BrigDirectiveFbarrier* fbar = (const BrigDirectiveFbarrier*)base;
  39   if (m_parent.m_cf != NULL)
  40     m_parent.m_cf->m_function_scope_vars.insert (base);
  41   std::string var_name = m_parent.get_mangled_name (fbar);
  42   m_parent.add_group_variable (var_name, FBARRIER_STRUCT_SIZE, 1,
  43                                m_parent.m_cf != NULL);
  44   return base->byteCount;
  45 }