+#endif /* L_gcov */
+
+#ifdef L_gcov_merge_add
+/* The profile merging function that just adds the counters. It is given
+ an array COUNTERS of N_COUNTERS old counters and it reads the same number
+ of counters from the gcov file. */
+void
+__gcov_merge_add (gcov_type *counters, unsigned n_counters)
+{
+ for (; n_counters; counters++, n_counters--)
+ *counters += gcov_read_counter ();
+}
+#endif /* L_gcov_merge_add */
+
+#ifdef L_gcov_merge_single
+/* The profile merging function for choosing the most common value.
+ It is given an array COUNTERS of N_COUNTERS old counters and it
+ reads the same number of counters from the gcov file. The counters
+ are split into 3-tuples where the members of the tuple have
+ meanings:
+
+ -- the stored candidate on the most common value of the measured entity
+ -- counter
+ -- total number of evaluations of the value */
+void
+__gcov_merge_single (gcov_type *counters, unsigned n_counters)
+{
+ unsigned i, n_measures;
+ gcov_type value, counter, all;
+
+ GCOV_CHECK (!(n_counters % 3));
+ n_measures = n_counters / 3;
+ for (i = 0; i < n_measures; i++, counters += 3)
+ {
+ value = gcov_read_counter ();
+ counter = gcov_read_counter ();
+ all = gcov_read_counter ();
+
+ if (counters[0] == value)
+ counters[1] += counter;
+ else if (counter > counters[1])
+ {
+ counters[0] = value;
+ counters[1] = counter - counters[1];
+ }
+ else
+ counters[1] -= counter;
+ counters[2] += all;
+ }
+}
+#endif /* L_gcov_merge_single */
+
+#ifdef L_gcov_merge_delta
+/* The profile merging function for choosing the most common
+ difference between two consecutive evaluations of the value. It is
+ given an array COUNTERS of N_COUNTERS old counters and it reads the
+ same number of counters from the gcov file. The counters are split
+ into 4-tuples where the members of the tuple have meanings:
+
+ -- the last value of the measured entity
+ -- the stored candidate on the most common difference
+ -- counter
+ -- total number of evaluations of the value */
+void
+__gcov_merge_delta (gcov_type *counters, unsigned n_counters)
+{
+ unsigned i, n_measures;
+ gcov_type last, value, counter, all;
+
+ GCOV_CHECK (!(n_counters % 4));
+ n_measures = n_counters / 4;
+ for (i = 0; i < n_measures; i++, counters += 4)
+ {
+ last = gcov_read_counter ();
+ value = gcov_read_counter ();
+ counter = gcov_read_counter ();
+ all = gcov_read_counter ();
+
+ if (counters[1] == value)
+ counters[2] += counter;
+ else if (counter > counters[2])
+ {
+ counters[1] = value;
+ counters[2] = counter - counters[2];
+ }
+ else
+ counters[2] -= counter;
+ counters[3] += all;
+ }
+}
+#endif /* L_gcov_merge_delta */
+