Hello,
I did a quick search on "gcc internal" document and cannot find any
explanation about the field meaning of struct tree_type. I am trying to use
typedef to introduce some new aggregrate types that my gcc can handle. And I
want to mark these types so that I can handle these types specifically. I
might have to differenciate my own types into several categories, therefore I
need several marking bits. My application will be in C/C++. Is there any fields
that I can recycle? Or it is better to introduce some new fields.
Can somebody quickly explain what the bit fields are for? thanks
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;
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;
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