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    GCC Middle and Back End API Reference
    
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Data Fields | |
| struct attrs_def * | next | 
| rtx | loc | 
| decl_or_value | dv | 
| HOST_WIDE_INT | offset | 
Description of location of a part of a variable. The content of a physical register is described by a chain of these structures. The chains are pretty short (usually 1 or 2 elements) and thus chain is the best data structure.
| decl_or_value attrs_def::dv | 
The declaration corresponding to LOC.
Referenced by canonicalize_values_star(), dataflow_set_equiv_regs(), debug_dv(), dv_from_value(), and val_bind().
| rtx attrs_def::loc | 
The rtx of register.
Referenced by canonicalize_values_star(), debug_dv(), and dv_from_value().
| struct attrs_def* attrs_def::next | 
Pointer to next member of the list.
Referenced by canonicalize_values_star(), dv_as_value(), dv_from_value(), dv_onepart_p(), and val_bind().
| HOST_WIDE_INT attrs_def::offset | 
Offset from start of DECL.
Referenced by debug_dv(), dv_from_value(), and val_bind().