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/* Prototypes for exported functions defined in crx.c
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Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
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2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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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_CRX_PROTOS_H
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#define GCC_CRX_PROTOS_H
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/* Register usage. */
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extern enum reg_class crx_regno_reg_class (int);
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extern int crx_hard_regno_mode_ok (int regno, enum machine_mode);
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#ifdef RTX_CODE
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extern enum reg_class crx_secondary_reload_class (enum reg_class, enum machine_mode, rtx);
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#endif /* RTX_CODE */
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/* Passing function arguments. */
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extern int crx_function_arg_regno_p (int);
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#ifdef TREE_CODE
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extern void crx_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
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#ifdef RTX_CODE
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extern void crx_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
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extern rtx crx_function_arg (struct cumulative_args *, enum machine_mode, tree, int);
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#endif /* RTX_CODE */
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#endif /* TREE_CODE */
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#ifdef RTX_CODE
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/* Addressing Modes. */
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struct crx_address
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{
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rtx base, index, disp, side_effect;
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int scale;
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};
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enum crx_addrtype
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{
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CRX_INVALID, CRX_REG_REL, CRX_POST_INC, CRX_SCALED_INDX, CRX_ABSOLUTE
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};
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extern enum crx_addrtype crx_decompose_address (rtx addr, struct crx_address *out);
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extern int crx_legitimate_address_p (enum machine_mode, rtx, int);
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extern int crx_const_double_ok (rtx op);
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/* Instruction output. */
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extern void crx_print_operand (FILE *, rtx, int);
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extern void crx_print_operand_address (FILE *, rtx);
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/* Misc functions called from crx.md. */
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extern rtx crx_expand_compare (enum rtx_code, enum machine_mode);
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extern void crx_expand_branch (enum rtx_code, rtx);
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extern void crx_expand_scond (enum rtx_code, rtx);
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extern void crx_expand_movmem_single (rtx, rtx, rtx, rtx, rtx, unsigned HOST_WIDE_INT *);
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extern int crx_expand_movmem (rtx, rtx, rtx, rtx);
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#endif /* RTX_CODE */
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/* Routines to compute costs. */
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extern int crx_memory_move_cost (enum machine_mode, enum reg_class, int);
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/* Prologue/Epilogue functions. */
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extern int crx_initial_elimination_offset (int, int);
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extern char *crx_prepare_push_pop_string (int);
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extern void crx_expand_prologue (void);
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extern void crx_expand_epilogue (void);
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/* Handling the "interrupt" attribute */
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extern int crx_interrupt_function_p (void);
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#endif /* GCC_CRX_PROTOS_H */
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