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/* Definition of data structure of RISC-V subset for GNU compiler.
Copyright (C) 2011-2022 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
Based on MIPS target for GNU compiler.
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_RISCV_SUBSET_H
#define GCC_RISCV_SUBSET_H
#define RISCV_DONT_CARE_VERSION -1
/* Subset info. */
struct riscv_subset_t
{
riscv_subset_t ();
std::string name;
int major_version;
int minor_version;
struct riscv_subset_t *next;
bool explicit_version_p;
bool implied_p;
};
/* Subset list. */
class riscv_subset_list
{
private:
/* Original arch string. */
const char *m_arch;
/* Location of arch string, used for report error. */
location_t m_loc;
/* Head of subset info list. */
riscv_subset_t *m_head;
/* Tail of subset info list. */
riscv_subset_t *m_tail;
/* X-len of m_arch. */
unsigned m_xlen;
riscv_subset_list (const char *, location_t);
const char *parsing_subset_version (const char *, const char *, unsigned *,
unsigned *, bool, bool *);
const char *parse_std_ext (const char *);
const char *parse_multiletter_ext (const char *, const char *,
const char *);
void handle_implied_ext (riscv_subset_t *);
public:
~riscv_subset_list ();
void add (const char *, int, int, bool, bool);
void add (const char *, bool);
riscv_subset_t *lookup (const char *,
int major_version = RISCV_DONT_CARE_VERSION,
int minor_version = RISCV_DONT_CARE_VERSION) const;
std::string to_string (bool) const;
unsigned xlen () const {return m_xlen;};
static riscv_subset_list *parse (const char *, location_t);
const riscv_subset_t *begin () const {return m_head;};
const riscv_subset_t *end () const {return NULL;};
};
extern const riscv_subset_list *riscv_current_subset_list (void);
#endif /* ! GCC_RISCV_SUBSET_H */
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