gcc-8.3/gcc/alias_set_type

参照元†

• gcc-8.3/gcc/MEM_ALIAS_SET()
• gcc-8.3/gcc/mem_attrs
• gcc-8.3/gcc/tree_type_common

説明†

• パス: gcc-8.3/gcc/coretypes.h

• FIXME: これは何？
  • 説明
  • 0 : the alias set which aliases everything
  • -1 : sometimes indicating that the alias set is unknown, sometimes indicating a memory barrier
  • -2 : indicating that the alias set should be set to a unique value but has not been set yet

参考†

実装†

/* The type of an alias set.  Code currently assumes that variables of
   this type can take the values 0 (the alias set which aliases
   everything) and -1 (sometimes indicating that the alias set is
   unknown, sometimes indicating a memory barrier) and -2 (indicating
   that the alias set should be set to a unique value but has not been
   set yet).  */
typedef int alias_set_type;

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• katsuhiro

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