Subversion Repositories openrisc_2011-10-31

/* score7.h for Sunplus S+CORE processor

   Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.

   Contributed by Sunnorth

   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_SCORE7_H

#define GCC_SCORE7_H

enum score7_address_type

{

  SCORE7_ADD_REG,

  SCORE7_ADD_CONST_INT,

  SCORE7_ADD_SYMBOLIC

};

struct score7_frame_info

{

  HOST_WIDE_INT total_size;       /* bytes that the entire frame takes up  */

  HOST_WIDE_INT var_size;         /* bytes that variables take up  */

  HOST_WIDE_INT args_size;        /* bytes that outgoing arguments take up  */

  HOST_WIDE_INT gp_reg_size;      /* bytes needed to store gp regs  */

  HOST_WIDE_INT gp_sp_offset;     /* offset from new sp to store gp registers  */

  HOST_WIDE_INT cprestore_size;   /* # bytes that the .cprestore slot takes up  */

  unsigned int  mask;             /* mask of saved gp registers  */

  int num_gp;                     /* number of gp registers saved  */

};

struct score7_arg_info

{

  unsigned int num_bytes;     /* The argument's size in bytes  */

  unsigned int reg_words;     /* The number of words passed in registers  */

  unsigned int reg_offset;    /* The offset of the first register from  */

                              /* GP_ARG_FIRST or FP_ARG_FIRST etc  */

  unsigned int stack_words;   /* The number of words that must be passed  */

                              /* on the stack  */

  unsigned int stack_offset;  /* The offset from the start of the stack  */

                              /* overflow area  */

};

#ifdef RTX_CODE

struct score7_address_info

{

  enum score7_address_type type;

  rtx reg;

  rtx offset;

  enum rtx_code code;

  enum score_symbol_type symbol_type;

};

#endif

#define SCORE7_SDATA_MAX                score7_sdata_max

#define SCORE7_STACK_ALIGN(LOC)         (((LOC) + 3) & ~3)

#define SCORE7_PROLOGUE_TEMP_REGNUM     (GP_REG_FIRST + 8)

#define SCORE7_EPILOGUE_TEMP_REGNUM     (GP_REG_FIRST + 8)

#define SCORE7_DEFAULT_SDATA_MAX        8

extern int score7_symbolic_constant_p (rtx x,

                                       enum score_symbol_type *symbol_type);

extern bool score7_return_in_memory (tree type,

                                     tree fndecl ATTRIBUTE_UNUSED);

extern void score7_output_mi_thunk (FILE *file,

                                    tree thunk_fndecl ATTRIBUTE_UNUSED,

                                    HOST_WIDE_INT delta,

                                    HOST_WIDE_INT vcall_offset,

                                    tree function);

extern rtx score7_legitimize_address (rtx x);

extern void

score7_function_prologue (FILE *file,

                          HOST_WIDE_INT size ATTRIBUTE_UNUSED);

extern void

score7_function_epilogue (FILE *file,

                          HOST_WIDE_INT size ATTRIBUTE_UNUSED);

extern section *score7_select_rtx_section (enum machine_mode mode, rtx x,

                                           unsigned HOST_WIDE_INT align);

extern bool score7_in_small_data_p (tree decl);

extern void score7_asm_file_start (void);

extern void score7_asm_file_end (void);

extern void score7_override_options (void);

extern int score7_reg_class (int regno);

extern enum reg_class score7_preferred_reload_class (rtx x ATTRIBUTE_UNUSED,

                                                     enum reg_class rclass);

extern enum

reg_class score7_secondary_reload_class (enum reg_class rclass,

                                         enum machine_mode mode ATTRIBUTE_UNUSED,

                                         rtx x);

extern int score7_const_ok_for_letter_p (HOST_WIDE_INT value, char c);

extern int score7_extra_constraint (rtx op, char c);

extern int score7_hard_regno_mode_ok (unsigned int regno,

                                      enum machine_mode mode);

extern HOST_WIDE_INT

score7_initial_elimination_offset (int from,

                                   int to ATTRIBUTE_UNUSED);

extern void score7_function_arg_advance (CUMULATIVE_ARGS *cum,

                                         enum machine_mode mode,

                                         tree type,

                                         int named);

extern int score7_arg_partial_bytes (CUMULATIVE_ARGS *cum,

                                     enum machine_mode mode,

                                     tree type,

                                     bool named);

extern rtx score7_function_arg (const CUMULATIVE_ARGS *cum,

                                enum machine_mode mode,

                                tree type,

                                int named);

extern rtx score7_function_value (tree valtype,

                                  tree func ATTRIBUTE_UNUSED,

                                  enum machine_mode mode);

extern void score7_asm_trampoline_template (FILE *);

extern void score7_trampoline_init (rtx, tree, rtx);

extern int score7_regno_mode_ok_for_base_p (int regno, int strict);

extern bool score7_legitimate_address_p (enum machine_mode mode, rtx x,

                                         bool strict);

extern int score7_register_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,

                                      enum reg_class from,

                                      enum reg_class to);

extern bool score7_rtx_costs (rtx x, int code, int outer_code, int *total, bool speed);

extern int score7_address_cost (rtx addr);

extern int score7_output_external (FILE *file ATTRIBUTE_UNUSED,

                                   tree decl,

                                   const char *name);

extern rtx score7_return_addr (int count, rtx frame ATTRIBUTE_UNUSED);

extern void score7_print_operand (FILE *file, rtx op, int c);

extern void score7_print_operand_address (FILE *file, rtx x);

extern enum machine_mode score7_select_cc_mode (enum rtx_code op,

                                                rtx x,

                                                rtx y);

extern void score7_prologue (void);

extern void score7_epilogue (int sibcall_p);

extern void score7_call (rtx *ops, bool sib);

extern void score7_call_value (rtx *ops, bool sib);

extern void score7_movsicc (rtx *ops);

extern void score7_movdi (rtx *ops);

extern void score7_zero_extract_andi (rtx *ops);

extern const char * score7_select_add_imm (rtx *ops, bool set_cc);

extern const char * score7_select (rtx *ops, const char *inst_pre, bool commu,

                                   const char *letter, bool set_cc);

extern const char * score7_move (rtx *ops);

extern const char * score7_limm (rtx *ops);

extern const char *

score7_linsn (rtx *ops, enum score_mem_unit unit, bool sign);

extern const char *

score7_sinsn (rtx *ops, enum score_mem_unit unit);

#endif