gcc/config/score/score7.h

   1 /* score7.h for Sunplus S+CORE processor
   2    Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   3    Contributed by Sunnorth
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 3, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_SCORE7_H
  22 #define GCC_SCORE7_H
  23
  24 enum score7_address_type
  25 {
  26   SCORE7_ADD_REG,
  27   SCORE7_ADD_CONST_INT,
  28   SCORE7_ADD_SYMBOLIC
  29 };
  30
  31 struct score7_frame_info
  32 {
  33   HOST_WIDE_INT total_size;       /* bytes that the entire frame takes up  */
  34   HOST_WIDE_INT var_size;         /* bytes that variables take up  */
  35   HOST_WIDE_INT args_size;        /* bytes that outgoing arguments take up  */
  36   HOST_WIDE_INT gp_reg_size;      /* bytes needed to store gp regs  */
  37   HOST_WIDE_INT gp_sp_offset;     /* offset from new sp to store gp registers  */
  38   HOST_WIDE_INT cprestore_size;   /* # bytes that the .cprestore slot takes up  */
  39   unsigned int  mask;             /* mask of saved gp registers  */
  40   int num_gp;                     /* number of gp registers saved  */
  41 };
  42
  43 struct score7_arg_info
  44 {
  45   unsigned int num_bytes;     /* The argument's size in bytes  */
  46   unsigned int reg_words;     /* The number of words passed in registers  */
  47   unsigned int reg_offset;    /* The offset of the first register from  */
  48                               /* GP_ARG_FIRST or FP_ARG_FIRST etc  */
  49   unsigned int stack_words;   /* The number of words that must be passed  */
  50                               /* on the stack  */
  51   unsigned int stack_offset;  /* The offset from the start of the stack  */
  52                               /* overflow area  */
  53 };
  54
  55 #ifdef RTX_CODE
  56 struct score7_address_info
  57 {
  58   enum score7_address_type type;
  59   rtx reg;
  60   rtx offset;
  61   enum rtx_code code;
  62   enum score_symbol_type symbol_type;
  63 };
  64 #endif
  65
  66 #define SCORE7_SDATA_MAX                score7_sdata_max
  67 #define SCORE7_STACK_ALIGN(LOC)         (((LOC) + 3) & ~3)
  68 #define SCORE7_PROLOGUE_TEMP_REGNUM     (GP_REG_FIRST + 8)
  69 #define SCORE7_EPILOGUE_TEMP_REGNUM     (GP_REG_FIRST + 8)
  70 #define SCORE7_DEFAULT_SDATA_MAX        8
  71
  72 extern int score7_symbolic_constant_p (rtx x,
  73                                        enum score_symbol_type *symbol_type);
  74 extern bool score7_return_in_memory (const_tree type,
  75                                      const_tree fndecl ATTRIBUTE_UNUSED);
  76 extern void score7_output_mi_thunk (FILE *file,
  77                                     tree thunk_fndecl ATTRIBUTE_UNUSED,
  78                                     HOST_WIDE_INT delta,
  79                                     HOST_WIDE_INT vcall_offset,
  80                                     tree function);
  81 extern rtx score7_legitimize_address (rtx x);
  82 extern void
  83 score7_function_prologue (FILE *file,
  84                           HOST_WIDE_INT size ATTRIBUTE_UNUSED);
  85 extern void
  86 score7_function_epilogue (FILE *file,
  87                           HOST_WIDE_INT size ATTRIBUTE_UNUSED);
  88 extern section *score7_select_rtx_section (enum machine_mode mode, rtx x,
  89                                            unsigned HOST_WIDE_INT align);
  90 extern bool score7_in_small_data_p (const_tree decl);
  91 extern void score7_asm_file_start (void);
  92 extern void score7_asm_file_end (void);
  93 extern void score7_option_override (void);
  94 extern int score7_reg_class (int regno);
  95 extern enum reg_class score7_preferred_reload_class (rtx x ATTRIBUTE_UNUSED,
  96                                                      enum reg_class rclass);
  97 extern enum
  98 reg_class score7_secondary_reload_class (enum reg_class rclass,
  99                                          enum machine_mode mode ATTRIBUTE_UNUSED,
 100                                          rtx x);
 101 extern int score7_const_ok_for_letter_p (HOST_WIDE_INT value, char c);
 102 extern int score7_extra_constraint (rtx op, char c);
 103 extern int score7_hard_regno_mode_ok (unsigned int regno,
 104                                       enum machine_mode mode);
 105 extern HOST_WIDE_INT
 106 score7_initial_elimination_offset (int from,
 107                                    int to ATTRIBUTE_UNUSED);
 108 extern void score7_function_arg_advance (CUMULATIVE_ARGS *cum,
 109                                          enum machine_mode mode,
 110                                          const_tree type,
 111                                          bool named);
 112 extern int score7_arg_partial_bytes (CUMULATIVE_ARGS *cum,
 113                                      enum machine_mode mode,
 114                                      tree type,
 115                                      bool named);
 116 extern rtx score7_function_arg (const CUMULATIVE_ARGS *cum,
 117                                 enum machine_mode mode,
 118                                 const_tree type,
 119                                 bool named);
 120 extern rtx score7_function_value (const_tree valtype,
 121                                   const_tree func ATTRIBUTE_UNUSED,
 122                                   enum machine_mode mode);
 123 extern void score7_asm_trampoline_template (FILE *);
 124 extern void score7_trampoline_init (rtx, tree, rtx);
 125 extern int score7_regno_mode_ok_for_base_p (int regno, int strict);
 126 extern bool score7_legitimate_address_p (enum machine_mode mode, rtx x,
 127                                          bool strict);
 128 extern int score7_register_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
 129                                       enum reg_class from,
 130                                       enum reg_class to);
 131 extern bool score7_rtx_costs (rtx x, int code, int outer_code, int *total, bool speed);
 132 extern int score7_address_cost (rtx addr);
 133 extern int score7_output_external (FILE *file ATTRIBUTE_UNUSED,
 134                                    tree decl,
 135                                    const char *name);
 136 extern rtx score7_return_addr (int count, rtx frame ATTRIBUTE_UNUSED);
 137 extern void score7_print_operand (FILE *file, rtx op, int c);
 138 extern void score7_print_operand_address (FILE *file, rtx x);
 139 extern enum machine_mode score7_select_cc_mode (enum rtx_code op,
 140                                                 rtx x,
 141                                                 rtx y);
 142 extern void score7_prologue (void);
 143 extern void score7_epilogue (int sibcall_p);
 144 extern void score7_call (rtx *ops, bool sib);
 145 extern void score7_call_value (rtx *ops, bool sib);
 146 extern void score7_movsicc (rtx *ops);
 147 extern void score7_movdi (rtx *ops);
 148 extern void score7_zero_extract_andi (rtx *ops);
 149 extern const char * score7_select_add_imm (rtx *ops, bool set_cc);
 150 extern const char * score7_select (rtx *ops, const char *inst_pre, bool commu,
 151                                    const char *letter, bool set_cc);
 152 extern const char * score7_move (rtx *ops);
 153 extern const char * score7_limm (rtx *ops);
 154 extern const char *
 155 score7_linsn (rtx *ops, enum score_mem_unit unit, bool sign);
 156 extern const char *
 157 score7_sinsn (rtx *ops, enum score_mem_unit unit);
 158 #endif