GCC Middle and Back End API Reference
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Data Fields | |
HARD_REG_SET | set |
int64_t | cost |
The structure contains information about hard registers can be assigned to allocnos. Usually it is allocno profitable hard registers but in some cases this set can be a bit different. Major reason of the difference is a requirement to use hard register sets that form a tree or a forest (set of trees), i.e. hard register set of a node should contain hard register sets of its subnodes.
int64_t allocno_hard_regs::cost |
Referenced by add_allocno_hard_regs(), and print_hard_regs_subforest().
HARD_REG_SET allocno_hard_regs::set |