contrib/gcc/genrecog.c

25    contain a decision tree that recognizes whether an rtx, the
64 /* A listhead of decision trees.  The alternatives to a node are kept
70   struct decision *first;
71   struct decision *last;
122 /* Data structure for decision tree for recognizing legitimate insns.  */
124 struct decision
127   struct decision *next;	/* Node to test on failure.  */
128   struct decision *prev;	/* Node whose failure tests us.  */
129   struct decision *afterward;	/* Node to test on success,
411 static struct decision *new_decision
421 static struct decision *add_to_sequence
429   (struct decision *, struct decision *, int);
434   (struct decision *, struct decision *);
436   (struct decision *, struct decision *);
447   (struct decision_head *, struct decision *);
454   (struct decision *, struct decision *, const char *);
455 static struct decision *write_switch
456   (struct decision *, int);
460   (struct decision *, struct decision_test *, int, int,
461    struct decision *, enum routine_type);
465   (struct decision *, int, enum routine_type);
483   (struct decision *, int, int);
485   (struct decision *, int);
489   (struct decision *);
491   (struct decision *);
496 static struct decision *
499   struct decision *new = xcalloc (1, sizeof (struct decision));
897 static struct decision *
902   struct decision *this, *sub;
1331 maybe_both_true (struct decision *d1, struct decision *d2,
1334   struct decision *p1, *p2;
1448 nodes_identical (struct decision *d1, struct decision *d2)
1484 merge_accept_insn (struct decision *oldd, struct decision *addd)
1525 /* Merge two decision trees OLDH and ADDH, modifying OLDH destructively.  */
1530   struct decision *next, *add;
1545       struct decision *old, *insert_before = NULL;
1614   struct decision *first, *next;
1619       struct decision *new, *old_last;
1699   struct decision *tree;
1737   struct decision *sub;
1754 find_afterward (struct decision_head *head, struct decision *real_afterward)
1756   struct decision *p, *q, *afterward;
1856 write_afterward (struct decision *start, struct decision *afterward,
1885 static struct decision *
1886 write_switch (struct decision *start, int depth)
1888   struct decision *p = start;
1890   struct decision *needs_label = NULL;
1907       struct decision *ret;
2034 	  struct decision *q;
2157 write_action (struct decision *p, struct decision_test *test,
2158 	      int depth, int uncond, struct decision *success,
2272 write_node (struct decision *p, int depth,
2326   struct decision *p, *next;
2353 /* Write out the decision tree starting at HEAD.  PREVPOS is the
2360   struct decision *p = head->first;
2471   struct decision *p;
2510 /* `recog' contains a decision tree that recognizes whether the rtx\n\
2553   struct decision *last;
2872 debug_decision_1 (struct decision *d, int indent)
2905 debug_decision_0 (struct decision *d, int indent, int maxdepth)
2907   struct decision *n;
2926 debug_decision (struct decision *d)
2932 debug_decision_list (struct decision *d)