xref: /src/external/gpl3/gcc.old/dist/gcc/config/sh/sh-protos.h

/* Definitions of target machine for GNU compiler for Renesas / SuperH SH.
   Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2003,
   2004, 2005, 2006, 2007, 2008, 2009
   Free Software Foundation, Inc.
   Contributed by Steve Chamberlain (sac (at) cygnus.com).
   Improved by Jim Wilson (wilson (at) 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_SH_PROTOS_H
#define GCC_SH_PROTOS_H

enum sh_function_kind {
  /* A function with normal C ABI  */
  FUNCTION_ORDINARY,
  /* A special function that guarantees that some otherwise call-clobbered
     registers are not clobbered.  These can't go through the SH5 resolver,
     because it only saves argument passing registers.  */
  SFUNC_GOT,
  /* A special function that should be linked statically.  These are typically
     smaller or not much larger than a PLT entry.
     Some also have a non-standard ABI which precludes dynamic linking.  */
  SFUNC_STATIC
};

#ifdef RTX_CODE
extern rtx sh_fsca_sf2int (void);
extern rtx sh_fsca_df2int (void);
extern rtx sh_fsca_int2sf (void);

/* Declare functions defined in sh.c and used in templates.  */

extern const char *output_branch (int, rtx, rtx *);
extern const char *output_ieee_ccmpeq (rtx, rtx *);
extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *);
extern const char *output_movedouble (rtx, rtx[], enum machine_mode);
extern const char *output_movepcrel (rtx, rtx[], enum machine_mode);
extern const char *output_far_jump (rtx, rtx);

extern struct rtx_def *sfunc_uses_reg (rtx);
extern int barrier_align (rtx);
extern int sh_loop_align (rtx);
extern int fp_zero_operand (rtx);
extern int fp_one_operand (rtx);
extern int fp_int_operand (rtx);
extern rtx get_fpscr_rtx (void);
extern bool sh_legitimate_index_p (enum machine_mode, rtx);
extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
extern int nonpic_symbol_mentioned_p (rtx);
extern void emit_sf_insn (rtx);
extern void emit_df_insn (rtx);
extern void print_operand_address (FILE *, rtx);
extern void print_operand (FILE *, rtx, int);
extern void output_pic_addr_const (FILE *, rtx);
extern int expand_block_move (rtx *);
extern int prepare_move_operands (rtx[], enum machine_mode mode);
extern enum rtx_code prepare_cbranch_operands (rtx *, enum machine_mode mode,
					       enum rtx_code comparison);
extern void expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int);
extern bool expand_cbranchdi4 (rtx *operands, enum rtx_code comparison);
extern void sh_emit_scc_to_t (enum rtx_code, rtx, rtx);
extern rtx sh_emit_cheap_store_flag (enum machine_mode, enum rtx_code, rtx, rtx);
extern void sh_emit_compare_and_branch (rtx *, enum machine_mode);
extern void sh_emit_compare_and_set (rtx *, enum machine_mode);
extern int shift_insns_rtx (rtx);
extern void gen_ashift (int, int, rtx);
extern void gen_ashift_hi (int, int, rtx);
extern void gen_shifty_op (int, rtx *);
extern void gen_shifty_hi_op (int, rtx *);
extern int expand_ashiftrt (rtx *);
extern int sh_dynamicalize_shift_p (rtx);
extern int shl_and_kind (rtx, rtx, int *);
extern int shl_and_length (rtx);
extern int shl_and_scr_length (rtx);
extern int gen_shl_and (rtx, rtx, rtx, rtx);
extern int shl_sext_kind (rtx, rtx, int *);
extern int shl_sext_length (rtx);
extern int gen_shl_sext (rtx, rtx, rtx, rtx);
extern rtx gen_datalabel_ref (rtx);
extern int regs_used (rtx, int);
extern void fixup_addr_diff_vecs (rtx);
extern int get_dest_uid (rtx, int);
extern void final_prescan_insn (rtx, rtx *, int);
extern int symbol_ref_operand (rtx, enum machine_mode);
extern enum tls_model tls_symbolic_operand (rtx, enum machine_mode);
extern int system_reg_operand (rtx, enum machine_mode);
extern int general_movsrc_operand (rtx, enum machine_mode);
extern int general_movdst_operand (rtx, enum machine_mode);
extern int arith_reg_operand (rtx, enum machine_mode);
extern int fp_arith_reg_operand (rtx, enum machine_mode);
extern int arith_operand (rtx, enum machine_mode);
extern int arith_reg_or_0_operand (rtx, enum machine_mode);
extern int logical_operand (rtx, enum machine_mode);
extern int tertiary_reload_operand (rtx, enum machine_mode);
extern int fpscr_operand (rtx, enum machine_mode);
extern int fpul_operand (rtx, enum machine_mode);
extern int commutative_float_operator (rtx, enum machine_mode);
extern int noncommutative_float_operator (rtx, enum machine_mode);
extern int reg_unused_after (rtx, rtx);
extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *);
extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *);
extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
extern void expand_fp_branch (rtx (*)(void), rtx (*)(void));
extern int sh_insn_length_adjustment (rtx);
extern int sh_can_redirect_branch (rtx, rtx);
extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx);
extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx);
extern int sh_expand_t_scc (rtx *);
extern rtx sh_gen_truncate (enum machine_mode, rtx, int);
extern bool sh_vector_mode_supported_p (enum machine_mode);
#endif /* RTX_CODE */

extern void sh_optimization_options (int, int);
extern void sh_override_options (void);
extern const char *output_jump_label_table (void);
extern int sh_handle_pragma (int (*)(void), void (*)(int), const char *);
extern struct rtx_def *get_fpscr_rtx (void);
extern int sh_media_register_for_return (void);
extern void sh_expand_prologue (void);
extern void sh_expand_epilogue (bool);
extern int sh_need_epilogue (void);
extern void sh_set_return_address (rtx, rtx);
extern int initial_elimination_offset (int, int);
extern int fldi_ok (void);
extern int sh_hard_regno_rename_ok (unsigned int, unsigned int);
extern int sh_cfun_interrupt_handler_p (void);
extern int sh_cfun_resbank_handler_p (void);
extern int sh_attr_renesas_p (const_tree);
extern int sh_cfun_attr_renesas_p (void);
extern bool sh_cannot_change_mode_class
	      (enum machine_mode, enum machine_mode, enum reg_class);
extern void sh_mark_label (rtx, int);
extern int sh_register_move_cost
  (enum machine_mode mode, enum reg_class, enum reg_class);
extern int check_use_sfunc_addr (rtx, rtx);

#ifdef HARD_CONST
extern void fpscr_set_from_mem (int, HARD_REG_SET);
#endif

extern void sh_pr_interrupt (struct cpp_reader *);
extern void sh_pr_trapa (struct cpp_reader *);
extern void sh_pr_nosave_low_regs (struct cpp_reader *);
extern rtx function_symbol (rtx, const char *, enum sh_function_kind);
extern rtx sh_get_pr_initial_val (void);

extern rtx sh_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
extern void sh_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree);
extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
extern bool sh_function_value_regno_p (const unsigned int);
extern rtx sh_dwarf_register_span (rtx);

extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
extern int shmedia_cleanup_truncate (rtx *, void *);

extern int sh_contains_memref_p (rtx);
extern int sh_loads_bankedreg_p (rtx);
extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall);
struct secondary_reload_info;
extern enum reg_class sh_secondary_reload (bool, rtx, enum reg_class,
					   enum machine_mode,
					   struct secondary_reload_info *);
extern int sh2a_get_function_vector_number (rtx);
extern int sh2a_is_function_vector_call (rtx);
extern void sh_fix_range (const char *);
extern bool sh_hard_regno_mode_ok (unsigned int, enum machine_mode);
#endif /* ! GCC_SH_PROTOS_H */

#ifdef SYMBIAN
extern const char * sh_symbian_strip_name_encoding    (const char *);
extern bool         sh_symbian_is_dllexported_name    (const char *);
#ifdef TREE_CODE
extern bool         sh_symbian_is_dllexported         (tree);
extern int          sh_symbian_import_export_class    (tree, int);
extern tree         sh_symbian_handle_dll_attribute   (tree *, tree, tree, int, bool *);
#ifdef RTX_CODE
extern void         sh_symbian_encode_section_info    (tree, rtx, int);
#endif
#endif
#endif /* SYMBIAN */