/* Definitions of target machine for GNU compiler.
- Hitachi H8/300 version
- Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+ Renesas H8/300 version
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com),
Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
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 2, or (at your option)
+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,
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 COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+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.c. */
#ifdef RTX_CODE
+extern unsigned int compute_mov_length (rtx *);
extern const char *output_plussi (rtx *);
extern unsigned int compute_plussi_length (rtx *);
-extern int compute_plussi_cc (rtx *);
extern const char *output_a_shift (rtx *);
extern unsigned int compute_a_shift_length (rtx, rtx *);
-extern int compute_a_shift_cc (rtx, rtx *);
-extern const char *emit_a_rotate (enum rtx_code, rtx *);
+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 print_operand_address (FILE *, rtx);
-extern void print_operand (FILE *, rtx, int);
-extern void final_prescan_insn (rtx, rtx *, int);
-extern int do_movsi (rtx[]);
-extern void notice_update_cc (rtx, rtx);
-extern const char *output_logical_op (enum machine_mode, rtx *);
-extern unsigned int compute_logical_op_length (enum machine_mode,
+extern void final_prescan_insn (rtx_insn *, rtx *, int);
+extern int h8300_expand_movsi (rtx[]);
+extern void notice_update_cc (rtx, rtx_insn *);
+extern const char *output_logical_op (machine_mode, rtx *);
+extern unsigned int compute_logical_op_length (machine_mode,
rtx *);
-extern int compute_logical_op_cc (enum machine_mode, rtx *);
-extern void expand_a_shift (enum machine_mode, int, rtx[]);
-extern int h8300_shift_needs_scratch_p (int, enum machine_mode);
-extern int expand_a_rotate (enum rtx_code, rtx[]);
-extern int fix_bit_operand (rtx *, int, enum rtx_code);
+#ifdef HAVE_ATTR_cc
+extern enum attr_cc compute_plussi_cc (rtx *);
+extern enum attr_cc compute_a_shift_cc (rtx, rtx *);
+extern enum attr_cc compute_logical_op_cc (machine_mode, rtx *);
+#endif
+extern void h8300_expand_branch (rtx[]);
+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);
+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 (enum machine_mode, rtx[]);
-
-extern int general_operand_src (rtx, enum machine_mode);
-extern int general_operand_dst (rtx, enum machine_mode);
-extern int single_one_operand (rtx, enum machine_mode);
-extern int single_zero_operand (rtx, enum machine_mode);
-extern int call_insn_operand (rtx, enum machine_mode);
-extern int two_insn_adds_subs_operand (rtx, enum machine_mode);
-extern int small_call_insn_operand (rtx, enum machine_mode);
-extern int jump_address_operand (rtx, enum machine_mode);
-extern int bit_operand (rtx, enum machine_mode);
-extern int bit_memory_operand (rtx, enum machine_mode);
-extern int stack_pointer_operand (rtx, enum machine_mode);
-extern int const_int_gt_2_operand (rtx, enum machine_mode);
-extern int const_int_ge_8_operand (rtx, enum machine_mode);
-extern int const_int_qi_operand (rtx, enum machine_mode);
-extern int const_int_hi_operand (rtx, enum machine_mode);
-extern int incdec_operand (rtx, enum machine_mode);
-extern int bit_operator (rtx, enum machine_mode);
-extern int nshift_operator (rtx, enum machine_mode);
-extern int eqne_operator (rtx, enum machine_mode);
-extern int gtle_operator (rtx, enum machine_mode);
-extern int gtuleu_operator (rtx, enum machine_mode);
-extern int iorxor_operator (rtx, enum machine_mode);
+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);
+extern int same_cmp_preceding_p (rtx_insn *);
+extern int same_cmp_following_p (rtx_insn *);
/* Used in builtins.c */
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 struct rtx_def *function_arg (CUMULATIVE_ARGS *,
- enum machine_mode, tree, int);
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 void h8300_init_once (void);
extern int h8300_can_use_return_insn_p (void);
extern void h8300_expand_prologue (void);
extern void h8300_expand_epilogue (void);
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 bool h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT);
+extern void h8300_swap_into_er6 (rtx);
+extern void h8300_swap_out_of_er6 (rtx);
+extern poly_int64 h8300_push_rounding (poly_int64);
#endif /* ! GCC_H8300_PROTOS_H */
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