| /* Definitions of target machine for GNU compiler. |
| Renesas H8/300 version |
| Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007 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.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 *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 h8300_expand_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, |
| rtx *); |
| extern int compute_logical_op_cc (enum machine_mode, rtx *); |
| extern void h8300_expand_branch (enum rtx_code, rtx); |
| extern bool expand_a_shift (enum machine_mode, int, rtx[]); |
| extern int h8300_shift_needs_scratch_p (int, enum 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 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_following_p (rtx); |
| |
| extern int h8300_legitimate_constant_p (rtx); |
| extern int h8300_legitimate_address_p (enum machine_mode, rtx, int); |
| |
| /* 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 (enum 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_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 int h8300_hard_regno_nregs (int, enum machine_mode); |
| extern int h8300_hard_regno_mode_ok (int, enum machine_mode); |
| |
| 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 rtx h8300_get_index (rtx, enum machine_mode mode, int *); |
| extern unsigned int h8300_insn_length_from_table (rtx, 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); |
| |
| #endif /* ! GCC_H8300_PROTOS_H */ |