df_mw_hardreg Struct Reference
#include <df.h>
Collaboration diagram for df_mw_hardreg:
Data Fields | |
| rtx | mw_reg |
| ENUM_BITFIELD(df_ref_type) type int | flags: 16 |
| unsigned int | start_regno |
| unsigned int | end_regno |
| unsigned int | mw_order |
Detailed Description
The set of multiword hardregs used as operands to this instruction. These are factored into individual uses and defs but the aggregate is still needed to service the REG_DEAD and REG_UNUSED notes.
Field Documentation
| unsigned int df_mw_hardreg::end_regno |
Referenced by df_ignore_stack_reg(), and df_remove_dead_eq_notes().
| ENUM_BITFIELD (df_ref_type) type int df_mw_hardreg::flags |
These two bitfields are intentionally oversized, in the hope that accesses to 16-bit fields will usually be quicker. Used to see if the ref is read or write.
Referenced by df_note_alloc().
| unsigned int df_mw_hardreg::mw_order |
| rtx df_mw_hardreg::mw_reg |
Referenced by df_ignore_stack_reg(), and df_remove_dead_eq_notes().
| unsigned int df_mw_hardreg::start_regno |
Referenced by df_ignore_stack_reg(), df_remove_dead_eq_notes(), and df_whole_mw_reg_dead_p().
The documentation for this struct was generated from the following file:
