gcc-8.3/gcc/tree_type_common

参照元†

• gcc-8.3/gcc/TYPE_MAIN_VARIANT()
• gcc-8.3/gcc/TYPE_MODE()
• gcc-8.3/gcc/tree_node(gen)

説明†

• パス: gcc-8.3/gcc/tree-core.h

• FIXME: これは何？
  • 説明

参考†

実装†

struct GTY(()) tree_type_common {
  struct tree_common common;
  tree size;
  tree size_unit;
  tree attributes;
  unsigned int uid;

• • gcc-8.3/gcc/GTY()
  • gcc-8.3/gcc/tree_common

  unsigned int precision : 10;
  unsigned no_force_blk_flag : 1;
  unsigned needs_constructing_flag : 1;
  unsigned transparent_aggr_flag : 1;
  unsigned restrict_flag : 1;
  unsigned contains_placeholder_bits : 2;

  ENUM_BITFIELD(machine_mode) mode : 8;

• • gcc-8.3/gcc/ENUM_BITFIELD()

  unsigned string_flag : 1;
  unsigned lang_flag_0 : 1;
  unsigned lang_flag_1 : 1;
  unsigned lang_flag_2 : 1;
  unsigned lang_flag_3 : 1;
  unsigned lang_flag_4 : 1;
  unsigned lang_flag_5 : 1;
  unsigned lang_flag_6 : 1;
  unsigned lang_flag_7 : 1;

  /* TYPE_ALIGN in log2; this has to be large enough to hold values
     of the maximum of BIGGEST_ALIGNMENT and MAX_OFILE_ALIGNMENT,
     the latter being usually the larger.  For ELF it is 8<<28,
     so we need to store the value 32 (not 31, as we need the zero
     as well), hence six bits.  */
  unsigned align : 6;
  unsigned warn_if_not_align : 6;
  unsigned typeless_storage : 1;
  unsigned empty_flag : 1;
  unsigned spare : 17;

  alias_set_type alias_set;
  tree pointer_to;
  tree reference_to;
  union tree_type_symtab {
    int GTY ((tag ("TYPE_SYMTAB_IS_ADDRESS"))) address;
    struct die_struct * GTY ((tag ("TYPE_SYMTAB_IS_DIE"))) die;
  } GTY ((desc ("debug_hooks->tree_type_symtab_field"))) symtab;
  tree canonical;
  tree next_variant;
  tree main_variant;
  tree context;
  tree name;
};

• • gcc-8.3/gcc/alias_set_type
  • gcc-8.3/gcc/tree
  • gcc-8.3/gcc/die_struct
  • gcc-8.3/gcc/tag()
  • gcc-8.3/gcc/desc()

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• katsuhiro

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