since we are given that instruction's pattern as x0. */
static struct position *peep2_insn_pos_list = &root_pos;
\f
-static struct decision *new_decision
- (struct position *, struct decision_head *);
-static struct decision_test *new_decision_test
- (enum decision_type, struct decision_test ***);
-static rtx find_operand
- (rtx, int, rtx);
-static rtx find_matching_operand
- (rtx, int);
-static void validate_pattern
- (rtx, rtx, rtx, int);
-static struct decision *add_to_sequence
- (rtx, struct decision_head *, struct position *, enum routine_type, int);
-
-static int maybe_both_true_2
- (struct decision_test *, struct decision_test *);
-static int maybe_both_true_1
- (struct decision_test *, struct decision_test *);
-static int maybe_both_true
- (struct decision *, struct decision *, int);
-
-static int nodes_identical_1
- (struct decision_test *, struct decision_test *);
-static int nodes_identical
- (struct decision *, struct decision *);
-static void merge_accept_insn
- (struct decision *, struct decision *);
-static void merge_trees
- (struct decision_head *, struct decision_head *);
-
-static void factor_tests
- (struct decision_head *);
-static void simplify_tests
- (struct decision_head *);
-static int break_out_subroutines
- (struct decision_head *, int);
-static void find_afterward
- (struct decision_head *, struct decision *);
-
-static void change_state
- (struct position *, struct position *, const char *);
-static void print_code
- (enum rtx_code);
-static void write_afterward
- (struct decision *, struct decision *, const char *);
-static struct decision *write_switch
- (struct decision *, int);
-static void write_cond
- (struct decision_test *, int, enum routine_type);
-static void write_action
- (struct decision *, struct decision_test *, int, int,
- struct decision *, enum routine_type);
-static int is_unconditional
- (struct decision_test *, enum routine_type);
-static int write_node
- (struct decision *, int, enum routine_type);
-static void write_tree_1
- (struct decision_head *, int, enum routine_type);
-static void write_tree
- (struct decision_head *, struct position *, enum routine_type, int);
-static void write_subroutine
- (struct decision_head *, enum routine_type);
-static void write_subroutines
- (struct decision_head *, enum routine_type);
-static void write_header
- (void);
-
-static struct decision_head make_insn_sequence
- (rtx, enum routine_type);
-static void process_tree
- (struct decision_head *, enum routine_type);
-
-static void debug_decision_0
- (struct decision *, int, int);
-static void debug_decision_1
- (struct decision *, int);
-static void debug_decision_2
- (struct decision_test *);
extern void debug_decision
(struct decision *);
extern void debug_decision_list