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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [h8300/] [h8300-protos.h] - Rev 282
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/* 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 (rtx[]); extern void h8300_expand_store (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); /* 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 */