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GCC Middle and Back End API Reference
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#include <df.h>

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 |
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.
| unsigned int df_mw_hardreg::end_regno |
| ENUM_BITFIELD (df_ref_type) type int df_mw_hardreg::flags |
| unsigned int df_mw_hardreg::mw_order |
Referenced by df_mw_compare(), and df_ref_record().
| rtx df_mw_hardreg::mw_reg |
| unsigned int df_mw_hardreg::start_regno |