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jeremybenn |
/* Prototypes for exported functions defined in cr16.c
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Copyright (C) 2012 Free Software Foundation, Inc.
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Contributed by KPIT Cummins Infosystems Limited.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_CR16_PROTOS_H
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#define GCC_CR16_PROTOS_H
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#include "target.h"
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/* Register usage. */
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extern enum reg_class cr16_regno_reg_class (int);
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extern int cr16_hard_regno_mode_ok (int regno, enum machine_mode);
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/* Passing function arguments. */
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extern int cr16_function_arg_regno_p (int);
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#ifdef TREE_CODE
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#ifdef RTX_CODE
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extern void cr16_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
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#endif /* RTX_CODE. */
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#endif /* TREE_CODE. */
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/* Enumeration giving the various data models we support. */
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enum data_model_type
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{
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DM_DEFAULT, /* Default data model (in CR16C/C+ - up to 16M). */
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DM_NEAR, /* Near data model (in CR16C/C+ - up to 1M). */
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DM_FAR, /* Far data model (in CR16C+ - up to 4G)
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(in CR16C - up to 16M). */
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ILLEGAL_DM /* Illegal data model. */
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};
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#ifdef RTX_CODE
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/* Addressing Modes. */
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struct cr16_address
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{
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rtx base; /* Base register: Any register or register pair. */
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rtx index; /* Index register: If one is present. */
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rtx disp; /* Displacement or Absolute address. */
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enum data_model_type data; /* data ref type. */
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int code; /* Whether the address is code address.
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};
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enum cr16_addrtype
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{
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CR16_INVALID,
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CR16_REG_REL,
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CR16_REGP_REL,
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CR16_INDEX_REGP_REL,
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CR16_ABSOLUTE
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};
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extern void notice_update_cc PARAMS ((rtx));
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extern int cr16_operand_bit_pos (int val, int bitval);
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extern void cr16_decompose_const (rtx x, int *code,
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enum data_model_type *data,
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bool treat_as_const);
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extern enum cr16_addrtype cr16_decompose_address (rtx addr,
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struct cr16_address *out,
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bool debug_print,
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bool treat_as_const);
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extern int cr16_const_double_ok (rtx op);
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extern int legitimate_pic_operand_p (rtx);
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extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
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#endif /* RTX_CODE. */
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/* Prologue/Epilogue functions. */
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extern int cr16_initial_elimination_offset (int, int);
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extern char *cr16_prepare_push_pop_string (int);
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extern void cr16_expand_prologue (void);
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extern void cr16_expand_epilogue (void);
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extern const char *cr16_emit_add_sub_di (rtx *, enum rtx_code);
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extern const char *cr16_emit_logical_di (rtx *, enum rtx_code);
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/* Handling the "interrupt" attribute. */
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extern int cr16_interrupt_function_p (void);
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extern bool cr16_is_data_model (enum data_model_type);
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#endif /* Not GCC_CR16_PROTOS_H. */
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