/* Definitions of target machine for GNU compiler.
- Hitachi H8/300 version generating coff
- Copyright (C) 2000 Free SoftwareFoundation, 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).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; 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 const char *output_a_shift PARAMS ((rtx *));
-extern unsigned int compute_a_shift_length PARAMS ((rtx, rtx *));
-extern const char *emit_a_rotate PARAMS ((enum rtx_code, rtx *));
-extern const char *output_simode_bld PARAMS ((int, rtx[]));
-extern void print_operand_address PARAMS ((FILE *, rtx));
-extern int const_costs PARAMS ((rtx, enum rtx_code, enum rtx_code));
-extern void print_operand PARAMS ((FILE *, rtx, int));
-extern void final_prescan_insn PARAMS ((rtx, rtx *, int));
-extern int do_movsi PARAMS ((rtx[]));
-extern void notice_update_cc PARAMS ((rtx, rtx));
-extern const char *output_logical_op PARAMS ((enum machine_mode, rtx *));
-extern unsigned int compute_logical_op_length PARAMS ((enum machine_mode,
- rtx *));
-extern int compute_logical_op_cc PARAMS ((enum machine_mode, rtx *));
-extern int expand_a_shift PARAMS ((enum machine_mode, int, rtx[]));
-extern int h8300_shift_needs_scratch_p PARAMS ((int, enum machine_mode));
-extern int expand_a_rotate PARAMS ((enum rtx_code, rtx[]));
-extern int fix_bit_operand PARAMS ((rtx *, int, enum rtx_code));
-extern int h8300_adjust_insn_length PARAMS ((rtx, int));
-extern void split_adds_subs PARAMS ((enum machine_mode, rtx[]));
-
-extern int general_operand_src PARAMS ((rtx, enum machine_mode));
-extern int general_operand_dst PARAMS ((rtx, enum machine_mode));
-extern int single_one_operand PARAMS ((rtx, enum machine_mode));
-extern int single_zero_operand PARAMS ((rtx, enum machine_mode));
-extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
-extern int two_insn_adds_subs_operand PARAMS ((rtx, enum machine_mode));
-extern int small_call_insn_operand PARAMS ((rtx, enum machine_mode));
-extern int jump_address_operand PARAMS ((rtx, enum machine_mode));
-extern int bit_operand PARAMS ((rtx, enum machine_mode));
-extern int bit_memory_operand PARAMS ((rtx, enum machine_mode));
-extern int bit_operator PARAMS ((rtx, enum machine_mode));
-extern int nshift_operator PARAMS ((rtx, enum machine_mode));
-
-extern int h8300_eightbit_constant_address_p PARAMS ((rtx));
-extern int h8300_tiny_constant_address_p PARAMS ((rtx));
+extern unsigned int compute_mov_length (rtx *);
+extern const char *output_plussi (rtx *);
+extern unsigned int compute_plussi_length (rtx *);
+extern const char *output_a_shift (rtx *);
+extern unsigned int compute_a_shift_length (rtx, 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 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 *);
+#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 (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.c */
-extern rtx h8300_return_addr_rtx PARAMS ((int, rtx));
+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 PARAMS ((CUMULATIVE_ARGS *,
- enum machine_mode, tree, int));
-extern int h8300_funcvec_function_p PARAMS ((tree));
-extern int h8300_eightbit_data_p PARAMS ((tree));
-extern int h8300_tiny_data_p PARAMS ((tree));
+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 PARAMS ((void));
-extern void asm_file_start PARAMS ((FILE *));
-extern void asm_file_end PARAMS ((FILE *));
-extern int h8300_initial_elimination_offset PARAMS ((int, int));
+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);
-#ifdef GCC_C_PRAGMA_H
-extern void h8300_pr_interrupt PARAMS ((cpp_reader *));
-extern void h8300_pr_saveall PARAMS ((cpp_reader *));
-#endif
+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 */