| /* Prototypes for exported functions defined in cr16.c |
| Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| Contributed by KPIT Cummins Infosystems Limited. |
| |
| 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_CR16_PROTOS_H |
| #define GCC_CR16_PROTOS_H |
| |
| /* Register usage. */ |
| extern enum reg_class cr16_regno_reg_class (int); |
| extern int cr16_hard_regno_mode_ok (int regno, machine_mode); |
| |
| /* Passing function arguments. */ |
| extern int cr16_function_arg_regno_p (int); |
| |
| #ifdef TREE_CODE |
| #ifdef RTX_CODE |
| |
| extern void cr16_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx); |
| |
| #endif /* RTX_CODE. */ |
| #endif /* TREE_CODE. */ |
| |
| /* Enumeration giving the various data models we support. */ |
| enum data_model_type |
| { |
| DM_DEFAULT, /* Default data model (in CR16C/C+ - up to 16M). */ |
| DM_NEAR, /* Near data model (in CR16C/C+ - up to 1M). */ |
| DM_FAR, /* Far data model (in CR16C+ - up to 4G) |
| (in CR16C - up to 16M). */ |
| ILLEGAL_DM /* Illegal data model. */ |
| }; |
| |
| #ifdef RTX_CODE |
| |
| /* Addressing Modes. */ |
| struct cr16_address |
| { |
| rtx base; /* Base register: Any register or register pair. */ |
| rtx index; /* Index register: If one is present. */ |
| rtx disp; /* Displacement or Absolute address. */ |
| enum data_model_type data; /* data ref type. */ |
| int code; /* Whether the address is code address. |
| 0 - data, 1 - code label, 2 - function label. */ |
| }; |
| |
| enum cr16_addrtype |
| { |
| CR16_INVALID, |
| CR16_REG_REL, |
| CR16_REGP_REL, |
| CR16_INDEX_REGP_REL, |
| CR16_ABSOLUTE |
| }; |
| |
| extern void notice_update_cc (rtx); |
| extern int cr16_operand_bit_pos (int val, int bitval); |
| extern void cr16_decompose_const (rtx x, int *code, |
| enum data_model_type *data, |
| bool treat_as_const); |
| extern enum cr16_addrtype cr16_decompose_address (rtx addr, |
| struct cr16_address *out, |
| bool debug_print, |
| bool treat_as_const); |
| extern int cr16_const_double_ok (rtx op); |
| extern int legitimate_pic_operand_p (rtx); |
| extern rtx legitimize_pic_address (rtx, machine_mode, rtx); |
| |
| |
| /* Prologue/Epilogue functions. */ |
| extern int cr16_initial_elimination_offset (int, int); |
| extern char *cr16_prepare_push_pop_string (int); |
| extern void cr16_expand_prologue (void); |
| extern void cr16_expand_epilogue (void); |
| extern const char *cr16_emit_add_sub_di (rtx *, enum rtx_code); |
| extern const char *cr16_emit_logical_di (rtx *, enum rtx_code); |
| |
| #endif /* RTX_CODE. */ |
| |
| /* Handling the "interrupt" attribute. */ |
| extern int cr16_interrupt_function_p (void); |
| extern bool cr16_is_data_model (enum data_model_type); |
| |
| #endif /* Not GCC_CR16_PROTOS_H. */ |