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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [cr16/] [cr16-protos.h] - Rev 748
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/* Prototypes for exported functions defined in cr16.c Copyright (C) 2012 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 #include "target.h" /* Register usage. */ extern enum reg_class cr16_regno_reg_class (int); extern int cr16_hard_regno_mode_ok (int regno, enum 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 PARAMS ((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, enum machine_mode, rtx); #endif /* RTX_CODE. */ /* 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); /* 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. */
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