参照元

説明

  • パス: gcc-8.3/gcc/tree-core.h?
  • FIXME: これは何?
    • 説明

参考

実装

/* Immediate use linking structure.  This structure is used for maintaining
   a doubly linked list of uses of an SSA_NAME.  */
struct GTY(()) ssa_use_operand_t {
  struct ssa_use_operand_t* GTY((skip(""))) prev;
  struct ssa_use_operand_t* GTY((skip(""))) next;
  /* Immediate uses for a given SSA name are maintained as a cyclic
     list.  To recognize the root of this list, the location field
     needs to point to the original SSA name.  Since statements and
     SSA names are of different data types, we need this union.  See
     the explanation in struct imm_use_iterator.  */
  union { gimple *stmt; tree ssa_name; } GTY((skip(""))) loc;
  tree *GTY((skip(""))) use;
};

コメント


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Last-modified: 2021-03-22 (月) 17:34:06 (187d)