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/* Prototypes for exported functions defined in arm.c and pe.c
   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   2009 Free Software Foundation, Inc.
   Contributed by Richard Earnshaw (rearnsha@arm.com)
   Minor hacks by Nick Clifton (nickc@cygnus.com)
 
   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_ARM_PROTOS_H
#define GCC_ARM_PROTOS_H
 
extern void arm_override_options (void);
extern void arm_optimization_options (int, int);
extern int use_return_insn (int, rtx);
extern enum reg_class arm_regno_class (int);
extern void arm_load_pic_register (unsigned long);
extern int arm_volatile_func (void);
extern const char *arm_output_epilogue (rtx);
extern void arm_expand_prologue (void);
extern const char *arm_strip_name_encoding (const char *);
extern void arm_asm_output_labelref (FILE *, const char *);
extern void thumb2_asm_output_opcode (FILE *);
extern unsigned long arm_current_func_type (void);
extern HOST_WIDE_INT arm_compute_initial_elimination_offset (unsigned int,
							     unsigned int);
extern HOST_WIDE_INT thumb_compute_initial_elimination_offset (unsigned int,
							       unsigned int);
extern unsigned int arm_dbx_register_number (unsigned int);
extern void arm_output_fn_unwind (FILE *, bool);
 
 
#ifdef RTX_CODE
extern bool arm_vector_mode_supported_p (enum machine_mode);
extern int arm_hard_regno_mode_ok (unsigned int, enum machine_mode);
extern int const_ok_for_arm (HOST_WIDE_INT);
extern int arm_split_constant (RTX_CODE, enum machine_mode, rtx,
			       HOST_WIDE_INT, rtx, rtx, int);
extern RTX_CODE arm_canonicalize_comparison (RTX_CODE, enum machine_mode,
					     rtx *);
extern int legitimate_pic_operand_p (rtx);
extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
extern rtx legitimize_tls_address (rtx, rtx);
extern int arm_legitimate_address_outer_p (enum machine_mode, rtx, RTX_CODE, int);
extern int thumb_legitimate_offset_p (enum machine_mode, HOST_WIDE_INT);
extern rtx thumb_legitimize_reload_address (rtx *, enum machine_mode, int, int,
					    int);
extern int arm_const_double_rtx (rtx);
extern int neg_const_double_rtx_ok_for_fpa (rtx);
extern int vfp3_const_double_rtx (rtx);
extern int neon_immediate_valid_for_move (rtx, enum machine_mode, rtx *, int *);
extern int neon_immediate_valid_for_logic (rtx, enum machine_mode, int, rtx *,
					   int *);
extern char *neon_output_logic_immediate (const char *, rtx *,
					  enum machine_mode, int, int);
extern void neon_pairwise_reduce (rtx, rtx, enum machine_mode,
				  rtx (*) (rtx, rtx, rtx));
extern rtx neon_make_constant (rtx);
extern void neon_expand_vector_init (rtx, rtx);
extern void neon_lane_bounds (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
extern void neon_const_bounds (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
extern HOST_WIDE_INT neon_element_bits (enum machine_mode);
extern void neon_reinterpret (rtx, rtx);
extern void neon_emit_pair_result_insn (enum machine_mode,
					rtx (*) (rtx, rtx, rtx, rtx),
					rtx, rtx, rtx);
extern void neon_disambiguate_copy (rtx *, rtx *, rtx *, unsigned int);
extern enum reg_class coproc_secondary_reload_class (enum machine_mode, rtx,
						     bool);
extern bool arm_tls_referenced_p (rtx);
extern bool arm_cannot_force_const_mem (rtx);
 
extern int cirrus_memory_offset (rtx);
extern int arm_coproc_mem_operand (rtx, bool);
extern int neon_vector_mem_operand (rtx, int);
extern int neon_struct_mem_operand (rtx);
extern int arm_no_early_store_addr_dep (rtx, rtx);
extern int arm_no_early_alu_shift_dep (rtx, rtx);
extern int arm_no_early_alu_shift_value_dep (rtx, rtx);
extern int arm_no_early_mul_dep (rtx, rtx);
extern int arm_mac_accumulator_is_mul_result (rtx, rtx);
 
extern int tls_mentioned_p (rtx);
extern int symbol_mentioned_p (rtx);
extern int label_mentioned_p (rtx);
extern RTX_CODE minmax_code (rtx);
extern int adjacent_mem_locations (rtx, rtx);
extern int load_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
extern const char *emit_ldm_seq (rtx *, int);
extern int store_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
extern const char * emit_stm_seq (rtx *, int);
extern rtx arm_gen_load_multiple (int, int, rtx, int, int,
				  rtx, HOST_WIDE_INT *);
extern rtx arm_gen_store_multiple (int, int, rtx, int, int,
				   rtx, HOST_WIDE_INT *);
extern int arm_gen_movmemqi (rtx *);
extern enum machine_mode arm_select_cc_mode (RTX_CODE, rtx, rtx);
extern enum machine_mode arm_select_dominance_cc_mode (rtx, rtx,
						       HOST_WIDE_INT);
extern rtx arm_gen_compare_reg (RTX_CODE, rtx, rtx);
extern rtx arm_gen_return_addr_mask (void);
extern void arm_reload_in_hi (rtx *);
extern void arm_reload_out_hi (rtx *);
extern int arm_const_double_inline_cost (rtx);
extern bool arm_const_double_by_parts (rtx);
extern const char *fp_immediate_constant (rtx);
extern void arm_emit_call_insn (rtx, rtx);
extern const char *output_call (rtx *);
extern const char *output_call_mem (rtx *);
void arm_emit_movpair (rtx, rtx);
extern const char *output_mov_long_double_fpa_from_arm (rtx *);
extern const char *output_mov_long_double_arm_from_fpa (rtx *);
extern const char *output_mov_long_double_arm_from_arm (rtx *);
extern const char *output_mov_double_fpa_from_arm (rtx *);
extern const char *output_mov_double_arm_from_fpa (rtx *);
extern const char *output_move_double (rtx *);
extern const char *output_move_quad (rtx *);
extern const char *output_move_vfp (rtx *operands);
extern const char *output_move_neon (rtx *operands);
extern int arm_attr_length_move_neon (rtx);
extern const char *output_add_immediate (rtx *);
extern const char *arithmetic_instr (rtx, int);
extern void output_ascii_pseudo_op (FILE *, const unsigned char *, int);
extern const char *output_return_instruction (rtx, int, int);
extern void arm_poke_function_name (FILE *, const char *);
extern void arm_print_operand (FILE *, rtx, int);
extern void arm_print_operand_address (FILE *, rtx);
extern void arm_final_prescan_insn (rtx);
extern int arm_debugger_arg_offset (int, rtx);
extern bool arm_is_long_call_p (tree);
extern int    arm_emit_vector_const (FILE *, rtx);
extern void arm_emit_fp16_const (rtx c);
extern const char * arm_output_load_gr (rtx *);
extern const char *vfp_output_fstmd (rtx *);
extern void arm_set_return_address (rtx, rtx);
extern int arm_eliminable_register (rtx);
extern const char *arm_output_shift(rtx *, int);
 
extern bool arm_output_addr_const_extra (FILE *, rtx);
 
#if defined TREE_CODE
extern rtx arm_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
extern void arm_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
				      tree, bool);
extern void arm_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
extern bool arm_pad_arg_upward (enum machine_mode, const_tree);
extern bool arm_pad_reg_upward (enum machine_mode, tree, int);
extern bool arm_needs_doubleword_align (enum machine_mode, tree);
#endif
extern int arm_apply_result_size (void);
extern rtx aapcs_libcall_value (enum machine_mode);
 
#endif /* RTX_CODE */
 
extern int arm_float_words_big_endian (void);
 
/* Thumb functions.  */
extern void arm_init_expanders (void);
extern const char *thumb_unexpanded_epilogue (void);
extern void thumb1_expand_prologue (void);
extern void thumb1_expand_epilogue (void);
#ifdef TREE_CODE
extern int is_called_in_ARM_mode (tree);
#endif
extern int thumb_shiftable_const (unsigned HOST_WIDE_INT);
#ifdef RTX_CODE
extern void thumb1_final_prescan_insn (rtx);
extern void thumb2_final_prescan_insn (rtx);
extern const char *thumb_load_double_from_address (rtx *);
extern const char *thumb_output_move_mem_multiple (int, rtx *);
extern const char *thumb_call_via_reg (rtx);
extern void thumb_expand_movmemqi (rtx *);
extern rtx arm_return_addr (int, rtx);
extern void thumb_reload_out_hi (rtx *);
extern void thumb_reload_in_hi (rtx *);
extern void thumb_set_return_address (rtx, rtx);
extern const char *thumb1_output_casesi (rtx *);
extern const char *thumb2_output_casesi (rtx *);
#endif
 
/* Defined in pe.c.  */
extern int arm_dllexport_name_p (const char *);
extern int arm_dllimport_name_p (const char *);
 
#ifdef TREE_CODE
extern void arm_pe_unique_section (tree, int);
extern void arm_pe_encode_section_info (tree, rtx, int);
extern int arm_dllexport_p (tree);
extern int arm_dllimport_p (tree);
extern void arm_mark_dllexport (tree);
extern void arm_mark_dllimport (tree);
#endif
 
extern void arm_pr_long_calls (struct cpp_reader *);
extern void arm_pr_no_long_calls (struct cpp_reader *);
extern void arm_pr_long_calls_off (struct cpp_reader *);
 
extern void arm_lang_object_attributes_init(void);
 
extern const char *arm_mangle_type (const_tree);
 
extern void arm_order_regs_for_local_alloc (void);
 
#endif /* ! GCC_ARM_PROTOS_H */