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/* Definitions of target machine for GNU compiler.
Renesas H8/300 version
Copyright (C) 2000-2022 Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com),
Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.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_H8300_PROTOS_H
#define GCC_H8300_PROTOS_H
/* Declarations for functions used in insn-output.cc. */
#ifdef RTX_CODE
extern unsigned int compute_mov_length (rtx *);
extern const char *output_plussi (rtx *, bool);
extern unsigned int compute_plussi_length (rtx *, bool);
extern const char *output_a_shift (rtx[4], rtx_code);
extern unsigned int compute_a_shift_length (rtx[4], rtx_code);
extern const char *output_a_rotate (enum rtx_code, rtx *);
extern unsigned int compute_a_rotate_length (rtx *);
extern const char *output_simode_bld (int, rtx[]);
extern void final_prescan_insn (rtx_insn *, rtx *, int);
extern int h8300_expand_movsi (rtx[]);
extern machine_mode h8300_select_cc_mode (RTX_CODE, rtx, rtx);
extern const char *output_logical_op (machine_mode, rtx_code code,
rtx *, rtx_insn *);
extern unsigned int compute_logical_op_length (machine_mode, rtx_code,
rtx *, rtx_insn *);
extern int compute_a_shift_cc (rtx *, rtx_code);
#ifdef HAVE_ATTR_cc
extern enum attr_cc compute_plussi_cc (rtx *);
#endif
extern void h8300_expand_store (rtx[]);
extern bool expand_a_shift (machine_mode, enum rtx_code, rtx[]);
extern int h8300_shift_needs_scratch_p (int, machine_mode, rtx_code);
extern int expand_a_rotate (rtx[]);
extern int fix_bit_operand (rtx *, enum rtx_code);
extern int h8300_adjust_insn_length (rtx, int);
extern void split_adds_subs (machine_mode, rtx[]);
extern int h8300_eightbit_constant_address_p (rtx);
extern int h8300_tiny_constant_address_p (rtx);
extern int byte_accesses_mergeable_p (rtx, rtx);
extern int same_cmp_preceding_p (rtx_insn *);
extern int same_cmp_following_p (rtx_insn *);
/* Used in builtins.cc */
extern rtx h8300_return_addr_rtx (int, rtx);
/* Classifies an h8sx shift operation.
H8SX_SHIFT_NONE
The shift cannot be done in a single instruction.
H8SX_SHIFT_UNARY
The shift is effectively a unary operation. The instruction will
allow any sort of destination operand and have a format similar
to neg and not. This is true of certain power-of-2 shifts.
H8SX_SHIFT_BINARY
The shift is a binary operation. The destination must be a
register and the source can be a register or a constant. */
enum h8sx_shift_type {
H8SX_SHIFT_NONE,
H8SX_SHIFT_UNARY,
H8SX_SHIFT_BINARY
};
extern enum h8sx_shift_type h8sx_classify_shift (machine_mode, enum rtx_code, rtx);
extern int h8300_ldm_stm_parallel (rtvec, int, int);
#endif /* RTX_CODE */
#ifdef TREE_CODE
extern int h8300_funcvec_function_p (tree);
extern int h8300_eightbit_data_p (tree);
extern int h8300_tiny_data_p (tree);
#endif /* TREE_CODE */
extern int h8300_can_use_return_insn_p (void);
extern void h8300_expand_prologue (void);
extern void h8300_expand_epilogue (bool);
extern int h8300_current_function_interrupt_function_p (void);
extern int h8300_current_function_monitor_function_p (void);
extern int h8300_initial_elimination_offset (int, int);
extern int h8300_regs_ok_for_stm (int, rtx[]);
extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
extern bool h8300_move_ok (rtx, rtx);
struct cpp_reader;
extern void h8300_pr_interrupt (struct cpp_reader *);
extern void h8300_pr_saveall (struct cpp_reader *);
extern enum reg_class h8300_reg_class_from_letter (int);
extern unsigned int h8300_insn_length_from_table (rtx_insn *, rtx *);
extern const char * output_h8sx_shift (rtx *, int, int);
extern bool h8300_operands_match_p (rtx *);
extern bool h8sx_mergeable_memrefs_p (rtx, rtx);
extern poly_int64 h8300_push_rounding (poly_int64);
#endif /* ! GCC_H8300_PROTOS_H */
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