h8300-protos.h revision 1.1
1 /* Definitions of target machine for GNU compiler. 2 Renesas H8/300 version 3 Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. 4 Contributed by Steve Chamberlain (sac (at) cygnus.com), 5 Jim Wilson (wilson (at) cygnus.com), and Doug Evans (dje (at) cygnus.com). 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3, or (at your option) 12 any later version. 13 14 GCC is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 #ifndef GCC_H8300_PROTOS_H 24 #define GCC_H8300_PROTOS_H 25 26 /* Declarations for functions used in insn-output.c. */ 27 #ifdef RTX_CODE 28 extern unsigned int compute_mov_length (rtx *); 29 extern const char *output_plussi (rtx *); 30 extern unsigned int compute_plussi_length (rtx *); 31 extern int compute_plussi_cc (rtx *); 32 extern const char *output_a_shift (rtx *); 33 extern unsigned int compute_a_shift_length (rtx, rtx *); 34 extern int compute_a_shift_cc (rtx, rtx *); 35 extern const char *output_a_rotate (enum rtx_code, rtx *); 36 extern unsigned int compute_a_rotate_length (rtx *); 37 extern const char *output_simode_bld (int, rtx[]); 38 extern void print_operand_address (FILE *, rtx); 39 extern void print_operand (FILE *, rtx, int); 40 extern void final_prescan_insn (rtx, rtx *, int); 41 extern int h8300_expand_movsi (rtx[]); 42 extern void notice_update_cc (rtx, rtx); 43 extern const char *output_logical_op (enum machine_mode, rtx *); 44 extern unsigned int compute_logical_op_length (enum machine_mode, 45 rtx *); 46 extern int compute_logical_op_cc (enum machine_mode, rtx *); 47 extern void h8300_expand_branch (rtx[]); 48 extern void h8300_expand_store (rtx[]); 49 extern bool expand_a_shift (enum machine_mode, int, rtx[]); 50 extern int h8300_shift_needs_scratch_p (int, enum machine_mode); 51 extern int expand_a_rotate (rtx[]); 52 extern int fix_bit_operand (rtx *, enum rtx_code); 53 extern int h8300_adjust_insn_length (rtx, int); 54 extern void split_adds_subs (enum machine_mode, rtx[]); 55 56 extern int h8300_eightbit_constant_address_p (rtx); 57 extern int h8300_tiny_constant_address_p (rtx); 58 extern int byte_accesses_mergeable_p (rtx, rtx); 59 extern int same_cmp_preceding_p (rtx); 60 extern int same_cmp_following_p (rtx); 61 62 extern int h8300_legitimate_constant_p (rtx); 63 64 /* Used in builtins.c */ 65 extern rtx h8300_return_addr_rtx (int, rtx); 66 67 /* Classifies an h8sx shift operation. 68 69 H8SX_SHIFT_NONE 70 The shift cannot be done in a single instruction. 71 72 H8SX_SHIFT_UNARY 73 The shift is effectively a unary operation. The instruction will 74 allow any sort of destination operand and have a format similar 75 to neg and not. This is true of certain power-of-2 shifts. 76 77 H8SX_SHIFT_BINARY 78 The shift is a binary operation. The destination must be a 79 register and the source can be a register or a constant. */ 80 enum h8sx_shift_type { 81 H8SX_SHIFT_NONE, 82 H8SX_SHIFT_UNARY, 83 H8SX_SHIFT_BINARY 84 }; 85 86 extern enum h8sx_shift_type h8sx_classify_shift (enum machine_mode, enum rtx_code, rtx); 87 extern int h8300_ldm_stm_parallel (rtvec, int, int); 88 #endif /* RTX_CODE */ 89 90 #ifdef TREE_CODE 91 extern struct rtx_def *function_arg (CUMULATIVE_ARGS *, 92 enum machine_mode, tree, int); 93 extern int h8300_funcvec_function_p (tree); 94 extern int h8300_eightbit_data_p (tree); 95 extern int h8300_tiny_data_p (tree); 96 #endif /* TREE_CODE */ 97 98 extern void h8300_init_once (void); 99 extern int h8300_can_use_return_insn_p (void); 100 extern void h8300_expand_prologue (void); 101 extern void h8300_expand_epilogue (void); 102 extern int h8300_current_function_interrupt_function_p (void); 103 extern int h8300_initial_elimination_offset (int, int); 104 extern int h8300_regs_ok_for_stm (int, rtx[]); 105 extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int); 106 extern int h8300_hard_regno_nregs (int, enum machine_mode); 107 extern int h8300_hard_regno_mode_ok (int, enum machine_mode); 108 109 struct cpp_reader; 110 extern void h8300_pr_interrupt (struct cpp_reader *); 111 extern void h8300_pr_saveall (struct cpp_reader *); 112 extern enum reg_class h8300_reg_class_from_letter (int); 113 extern rtx h8300_get_index (rtx, enum machine_mode mode, int *); 114 extern unsigned int h8300_insn_length_from_table (rtx, rtx *); 115 extern const char * output_h8sx_shift (rtx *, int, int); 116 extern bool h8300_operands_match_p (rtx *); 117 extern bool h8sx_mergeable_memrefs_p (rtx, rtx); 118 extern bool h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT); 119 extern void h8300_swap_into_er6 (rtx); 120 extern void h8300_swap_out_of_er6 (rtx); 121 122 #endif /* ! GCC_H8300_PROTOS_H */ 123
Indexes created Sat Mar 28 00:23:22 UTC 2026