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/* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu.
Copyright (C) 2000-2013 Free Software Foundation, Inc.
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/>. */
#ifdef RTX_CODE
extern enum machine_mode arc_select_cc_mode (enum rtx_code, rtx, rtx);
/* Define the function that build the compare insn for scc, bcc and mov*cc. */
extern struct rtx_def *gen_compare_reg (rtx, enum machine_mode);
/* Declarations for various fns used in the .md file. */
extern void arc_output_function_epilogue (FILE *, HOST_WIDE_INT, int);
extern const char *output_shift (rtx *);
extern bool compact_sda_memory_operand (rtx op,enum machine_mode mode);
extern bool arc_double_limm_p (rtx);
extern void arc_print_operand (FILE *, rtx, int);
extern void arc_print_operand_address (FILE *, rtx);
extern void arc_final_prescan_insn (rtx, rtx *, int);
extern void arc_set_default_type_attributes(tree type);
extern const char *arc_output_libcall (const char *);
extern bool prepare_extend_operands (rtx *operands, enum rtx_code code,
enum machine_mode omode);
extern int arc_output_addsi (rtx *operands, bool, bool);
extern int arc_output_commutative_cond_exec (rtx *operands, bool);
extern bool arc_expand_movmem (rtx *operands);
extern bool prepare_move_operands (rtx *operands, enum machine_mode mode);
extern void emit_shift (enum rtx_code, rtx, rtx, rtx);
#endif /* RTX_CODE */
#ifdef TREE_CODE
extern enum arc_function_type arc_compute_function_type (struct function *);
#endif /* TREE_CODE */
extern void arc_init (void);
extern unsigned int arc_compute_frame_size (int);
extern bool arc_ccfsm_branch_deleted_p (void);
extern void arc_ccfsm_record_branch_deleted (void);
extern rtx arc_legitimize_pic_address (rtx, rtx);
void arc_asm_output_aligned_decl_local (FILE *, tree, const char *,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT);
extern rtx arc_return_addr_rtx (int , rtx);
extern bool check_if_valid_regno_const (rtx *, int);
extern bool check_if_valid_sleep_operand (rtx *, int);
extern bool arc_legitimate_constant_p (enum machine_mode, rtx);
extern bool arc_legitimate_pc_offset_p (rtx);
extern bool arc_legitimate_pic_addr_p (rtx);
extern void emit_pic_move (rtx *, enum machine_mode);
extern bool arc_raw_symbolic_reference_mentioned_p (rtx, bool);
extern bool arc_legitimate_pic_operand_p (rtx);
extern bool arc_is_longcall_p (rtx);
extern bool arc_is_shortcall_p (rtx);
extern bool arc_profile_call (rtx callee);
extern bool valid_brcc_with_delay_p (rtx *);
extern bool small_data_pattern (rtx , enum machine_mode);
extern rtx arc_rewrite_small_data (rtx);
extern bool arc_ccfsm_cond_exec_p (void);
struct secondary_reload_info;
extern int arc_register_move_cost (enum machine_mode, enum reg_class,
enum reg_class);
extern rtx disi_highpart (rtx);
extern int arc_adjust_insn_length (rtx, int, bool);
extern int arc_corereg_hazard (rtx, rtx);
extern int arc_hazard (rtx, rtx);
extern int arc_write_ext_corereg (rtx);
extern rtx gen_acc1 (void);
extern rtx gen_acc2 (void);
extern rtx gen_mlo (void);
extern rtx gen_mhi (void);
extern bool arc_branch_size_unknown_p (void);
struct arc_ccfsm;
extern void arc_ccfsm_record_condition (rtx, bool, rtx, struct arc_ccfsm *);
extern void arc_expand_prologue (void);
extern void arc_expand_epilogue (int);
extern void arc_init_expanders (void);
extern int arc_check_millicode (rtx op, int offset, int load_p);
extern int arc_get_unalign (void);
extern void arc_clear_unalign (void);
extern void arc_toggle_unalign (void);
extern void split_addsi (rtx *);
extern void split_subsi (rtx *);
extern void arc_pad_return (void);
extern rtx arc_split_move (rtx *);
extern int arc_verify_short (rtx insn, int unalign, int);
extern const char *arc_short_long (rtx insn, const char *, const char *);
extern rtx arc_regno_use_in (unsigned int, rtx);
extern int arc_attr_type (rtx);
extern bool arc_scheduling_not_expected (void);
extern bool arc_sets_cc_p (rtx insn);
extern int arc_label_align (rtx label);
extern bool arc_need_delay (rtx insn);
extern bool arc_text_label (rtx);
extern int arc_decl_pretend_args (tree decl);
extern bool arc_short_comparison_p (rtx, int);
extern bool arc_epilogue_uses (int regno);
/* insn-attrtab.c doesn't include reload.h, which declares regno_clobbered_p. */
extern int regno_clobbered_p (unsigned int, rtx, enum machine_mode, int);
extern int arc_return_slot_offset (void);
extern bool arc_legitimize_reload_address (rtx *, enum machine_mode, int, int);
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