/* Definitions of target machine for GNU compiler.
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/* Definitions of target machine for GNU compiler.
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Renesas H8/300 version
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Renesas H8/300 version
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Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Contributed by Steve Chamberlain (sac@cygnus.com),
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Contributed by Steve Chamberlain (sac@cygnus.com),
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Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
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Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_H8300_PROTOS_H
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#ifndef GCC_H8300_PROTOS_H
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#define GCC_H8300_PROTOS_H
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#define GCC_H8300_PROTOS_H
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/* Declarations for functions used in insn-output.c. */
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/* Declarations for functions used in insn-output.c. */
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#ifdef RTX_CODE
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#ifdef RTX_CODE
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extern unsigned int compute_mov_length (rtx *);
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extern unsigned int compute_mov_length (rtx *);
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extern const char *output_plussi (rtx *);
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extern const char *output_plussi (rtx *);
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extern unsigned int compute_plussi_length (rtx *);
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extern unsigned int compute_plussi_length (rtx *);
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extern int compute_plussi_cc (rtx *);
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extern int compute_plussi_cc (rtx *);
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extern const char *output_a_shift (rtx *);
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extern const char *output_a_shift (rtx *);
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extern unsigned int compute_a_shift_length (rtx, rtx *);
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extern unsigned int compute_a_shift_length (rtx, rtx *);
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extern int compute_a_shift_cc (rtx, rtx *);
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extern int compute_a_shift_cc (rtx, rtx *);
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extern const char *output_a_rotate (enum rtx_code, rtx *);
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extern const char *output_a_rotate (enum rtx_code, rtx *);
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extern unsigned int compute_a_rotate_length (rtx *);
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extern unsigned int compute_a_rotate_length (rtx *);
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extern const char *output_simode_bld (int, rtx[]);
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extern const char *output_simode_bld (int, rtx[]);
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extern void print_operand_address (FILE *, rtx);
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extern void print_operand_address (FILE *, rtx);
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extern void print_operand (FILE *, rtx, int);
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extern void print_operand (FILE *, rtx, int);
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extern void final_prescan_insn (rtx, rtx *, int);
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extern void final_prescan_insn (rtx, rtx *, int);
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extern int h8300_expand_movsi (rtx[]);
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extern int h8300_expand_movsi (rtx[]);
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extern void notice_update_cc (rtx, rtx);
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extern void notice_update_cc (rtx, rtx);
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extern const char *output_logical_op (enum machine_mode, rtx *);
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extern const char *output_logical_op (enum machine_mode, rtx *);
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extern unsigned int compute_logical_op_length (enum machine_mode,
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extern unsigned int compute_logical_op_length (enum machine_mode,
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rtx *);
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rtx *);
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extern int compute_logical_op_cc (enum machine_mode, rtx *);
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extern int compute_logical_op_cc (enum machine_mode, rtx *);
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extern void h8300_expand_branch (enum rtx_code, rtx);
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extern void h8300_expand_branch (enum rtx_code, rtx);
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extern bool expand_a_shift (enum machine_mode, int, rtx[]);
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extern bool expand_a_shift (enum machine_mode, int, rtx[]);
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extern int h8300_shift_needs_scratch_p (int, enum machine_mode);
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extern int h8300_shift_needs_scratch_p (int, enum machine_mode);
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extern int expand_a_rotate (rtx[]);
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extern int expand_a_rotate (rtx[]);
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extern int fix_bit_operand (rtx *, enum rtx_code);
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extern int fix_bit_operand (rtx *, enum rtx_code);
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extern int h8300_adjust_insn_length (rtx, int);
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extern int h8300_adjust_insn_length (rtx, int);
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extern void split_adds_subs (enum machine_mode, rtx[]);
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extern void split_adds_subs (enum machine_mode, rtx[]);
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extern int h8300_eightbit_constant_address_p (rtx);
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extern int h8300_eightbit_constant_address_p (rtx);
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extern int h8300_tiny_constant_address_p (rtx);
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extern int h8300_tiny_constant_address_p (rtx);
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extern int byte_accesses_mergeable_p (rtx, rtx);
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extern int byte_accesses_mergeable_p (rtx, rtx);
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extern int same_cmp_preceding_p (rtx);
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extern int same_cmp_preceding_p (rtx);
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extern int same_cmp_following_p (rtx);
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extern int same_cmp_following_p (rtx);
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extern int h8300_legitimate_constant_p (rtx);
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extern int h8300_legitimate_constant_p (rtx);
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extern int h8300_legitimate_address_p (enum machine_mode, rtx, int);
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extern int h8300_legitimate_address_p (enum machine_mode, rtx, int);
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/* Used in builtins.c */
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/* Used in builtins.c */
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extern rtx h8300_return_addr_rtx (int, rtx);
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extern rtx h8300_return_addr_rtx (int, rtx);
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/* Classifies an h8sx shift operation.
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/* Classifies an h8sx shift operation.
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H8SX_SHIFT_NONE
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H8SX_SHIFT_NONE
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The shift cannot be done in a single instruction.
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The shift cannot be done in a single instruction.
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H8SX_SHIFT_UNARY
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H8SX_SHIFT_UNARY
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The shift is effectively a unary operation. The instruction will
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The shift is effectively a unary operation. The instruction will
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allow any sort of destination operand and have a format similar
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allow any sort of destination operand and have a format similar
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to neg and not. This is true of certain power-of-2 shifts.
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to neg and not. This is true of certain power-of-2 shifts.
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H8SX_SHIFT_BINARY
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H8SX_SHIFT_BINARY
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The shift is a binary operation. The destination must be a
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The shift is a binary operation. The destination must be a
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register and the source can be a register or a constant. */
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register and the source can be a register or a constant. */
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enum h8sx_shift_type {
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enum h8sx_shift_type {
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H8SX_SHIFT_NONE,
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H8SX_SHIFT_NONE,
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H8SX_SHIFT_UNARY,
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H8SX_SHIFT_UNARY,
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H8SX_SHIFT_BINARY
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H8SX_SHIFT_BINARY
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};
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};
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extern enum h8sx_shift_type h8sx_classify_shift (enum machine_mode, enum rtx_code, rtx);
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extern enum h8sx_shift_type h8sx_classify_shift (enum machine_mode, enum rtx_code, rtx);
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extern int h8300_ldm_stm_parallel (rtvec, int, int);
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extern int h8300_ldm_stm_parallel (rtvec, int, int);
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#endif /* RTX_CODE */
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#endif /* RTX_CODE */
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#ifdef TREE_CODE
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#ifdef TREE_CODE
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extern struct rtx_def *function_arg (CUMULATIVE_ARGS *,
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extern struct rtx_def *function_arg (CUMULATIVE_ARGS *,
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enum machine_mode, tree, int);
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enum machine_mode, tree, int);
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extern int h8300_funcvec_function_p (tree);
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extern int h8300_funcvec_function_p (tree);
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extern int h8300_eightbit_data_p (tree);
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extern int h8300_eightbit_data_p (tree);
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extern int h8300_tiny_data_p (tree);
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extern int h8300_tiny_data_p (tree);
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#endif /* TREE_CODE */
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#endif /* TREE_CODE */
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extern void h8300_init_once (void);
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extern void h8300_init_once (void);
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extern int h8300_can_use_return_insn_p (void);
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extern int h8300_can_use_return_insn_p (void);
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extern void h8300_expand_prologue (void);
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extern void h8300_expand_prologue (void);
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extern void h8300_expand_epilogue (void);
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extern void h8300_expand_epilogue (void);
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extern int h8300_current_function_interrupt_function_p (void);
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extern int h8300_current_function_interrupt_function_p (void);
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extern int h8300_initial_elimination_offset (int, int);
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extern int h8300_initial_elimination_offset (int, int);
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extern int h8300_regs_ok_for_stm (int, rtx[]);
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extern int h8300_regs_ok_for_stm (int, rtx[]);
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extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
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extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
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extern int h8300_hard_regno_nregs (int, enum machine_mode);
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extern int h8300_hard_regno_nregs (int, enum machine_mode);
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extern int h8300_hard_regno_mode_ok (int, enum machine_mode);
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extern int h8300_hard_regno_mode_ok (int, enum machine_mode);
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struct cpp_reader;
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struct cpp_reader;
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extern void h8300_pr_interrupt (struct cpp_reader *);
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extern void h8300_pr_interrupt (struct cpp_reader *);
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extern void h8300_pr_saveall (struct cpp_reader *);
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extern void h8300_pr_saveall (struct cpp_reader *);
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extern enum reg_class h8300_reg_class_from_letter (int);
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extern enum reg_class h8300_reg_class_from_letter (int);
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extern rtx h8300_get_index (rtx, enum machine_mode mode, int *);
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extern rtx h8300_get_index (rtx, enum machine_mode mode, int *);
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extern unsigned int h8300_insn_length_from_table (rtx, rtx *);
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extern unsigned int h8300_insn_length_from_table (rtx, rtx *);
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extern const char * output_h8sx_shift (rtx *, int, int);
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extern const char * output_h8sx_shift (rtx *, int, int);
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extern bool h8300_operands_match_p (rtx *);
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extern bool h8300_operands_match_p (rtx *);
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extern bool h8sx_mergeable_memrefs_p (rtx, rtx);
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extern bool h8sx_mergeable_memrefs_p (rtx, rtx);
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extern bool h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT);
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extern bool h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT);
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extern void h8300_swap_into_er6 (rtx);
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extern void h8300_swap_into_er6 (rtx);
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extern void h8300_swap_out_of_er6 (rtx);
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extern void h8300_swap_out_of_er6 (rtx);
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#endif /* ! GCC_H8300_PROTOS_H */
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#endif /* ! GCC_H8300_PROTOS_H */
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