d2c14ca44f
eviction; this prevents us from having to worry about moving values from stack slot to stack slot, which is hard.
44 lines
864 B
C
44 lines
864 B
C
#ifndef REG_H
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#define REG_H
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#define WITH_ATTR(a) (1<<(a))
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struct phicongruence
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{
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int id;
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ARRAYOF(struct vreg) vregs;
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ARRAYOF(struct hop) definitions;
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uint32_t type;
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struct hreg* evicted; /* stack slot to evict to */
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};
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struct hreg
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{
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const char* id;
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const struct burm_register_data* brd;
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uint32_t attrs;
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bool is_stacked;
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int offset;
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ARRAYOF(struct hreg) aliases;
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};
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struct vreg
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{
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int id;
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uint32_t type;
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struct phicongruence* congruence;
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struct hop* defined;
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ARRAYOF(struct hop) used;
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struct hreg* evicted; /* stack slot to evict to */
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};
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typedef PMAPOF(struct hreg, struct vreg) register_assignment_t;
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extern struct vreg* new_vreg(void);
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extern struct hreg* new_hreg(const struct burm_register_data* brd);
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extern struct hreg* new_stacked_hreg(uint32_t type);
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#endif
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/* vim: set sw=4 ts=4 expandtab : */
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