GCC Middle and Back End API Reference
df_word_lr_bb_info Struct Reference

#include <df.h>

Collaboration diagram for df_word_lr_bb_info:

Data Fields

bitmap_head def
bitmap_head use
bitmap_head in
bitmap_head out

Detailed Description

Live registers, a backwards dataflow problem. These bitmaps are indexed by 2 * regno for each pseudo and have two entries for each pseudo. Only pseudos that have a size of 2 * UNITS_PER_WORD are meaningfully tracked.


Field Documentation

bitmap_head df_word_lr_bb_info::def

Local sets to describe the basic blocks.

Referenced by df_chain_bottom_dump(), df_chain_insn_bottom_dump(), and df_word_lr_alloc().

bitmap_head df_word_lr_bb_info::in

The results of the dataflow problem.

bitmap_head df_word_lr_bb_info::out

The documentation for this struct was generated from the following file: