/* brig-util.h -- gccbrig utility functions
   Copyright (C) 2016-2017 Free Software Foundation, Inc.
   Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
   for General Processor Tech.

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_BRIG_UTIL_H
#define GCC_BRIG_UTIL_H

#include <map>

#include "config.h"
#include "system.h"
#include "ansidecl.h"
#include "coretypes.h"
#include "opts.h"
#include "tree.h"

/* Helper class for keeping book of group variable offsets.  */

class group_variable_offset_index
{
public:
  group_variable_offset_index () : m_next_group_offset (0) {}

  typedef std::map<std::string, size_t> varname_offset_table;

  bool has_variable (const std::string &name) const;
  void add (const std::string &name, size_t size, size_t alignment);
  size_t segment_offset (const std::string &name) const;
  size_t size () const { return m_next_group_offset; }

private:
  size_t m_next_group_offset;
  varname_offset_table m_group_offsets;
};

bool gccbrig_hsa_opcode_op_output_p (BrigOpcode16_t opcode, int opnum);

unsigned gccbrig_hsa_type_bit_size (BrigType16_t t);

uint64_t gccbrig_to_uint64_t (const BrigUInt64 &brig_type);

int gccbrig_reg_size (const BrigOperandRegister *brig_reg);

std::string gccbrig_reg_name (const BrigOperandRegister *reg);

std::string gccbrig_type_name (BrigType16_t type);

std::string gccbrig_segment_name (BrigSegment8_t segment);

bool gccbrig_is_float_type (BrigType16_t type);

bool gccbrig_is_bit_operation (BrigOpcode16_t opcode);

BrigType16_t gccbrig_tree_type_to_hsa_type (tree tree_type);
tree gccbrig_tree_type_for_hsa_type (BrigType16_t brig_type);

bool gccbrig_might_be_host_defined_var_p (const BrigDirectiveVariable *brigVar);

/* From hsa.h.  */
bool hsa_type_packed_p (BrigType16_t type);

#endif