gcc/libgcc/libgcov-merge.c

32 void __gcov_merge_add (gcov_type *counters  __attribute__ ((unused)),
37 void __gcov_merge_single (gcov_type *counters  __attribute__ ((unused)),
42 void __gcov_merge_delta (gcov_type *counters  __attribute__ ((unused)),
49 /* The profile merging function that just adds the counters.  It is given
50    an array COUNTERS of N_COUNTERS old counters and it reads the same number
51    of counters from the gcov file.  */
53 __gcov_merge_add (gcov_type *counters, unsigned n_counters)
55   for (; n_counters; counters++, n_counters--)
56     *counters += gcov_get_counter ();
61 /* The profile merging function that just adds the counters.  It is given
62    an array COUNTERS of N_COUNTERS old counters and it reads the same number
63    of counters from the gcov file.  */
65 __gcov_merge_ior (gcov_type *counters, unsigned n_counters)
67   for (; n_counters; counters++, n_counters--)
68     *counters |= gcov_get_counter_target ();
74    is stored. There could be a fork that creates new counters. To have
77 __gcov_merge_time_profile (gcov_type *counters, unsigned n_counters)
86       if (value && (!counters[i] || value < counters[i]))
87         counters[i] = value;
94    It is given an array COUNTERS of N_COUNTERS old counters and it
95    reads the same number of counters from the gcov file.  The counters
103 __gcov_merge_single (gcov_type *counters, unsigned n_counters)
110   for (i = 0; i < n_measures; i++, counters += 3)
116       if (counters[0] == value)
117         counters[1] += counter;
118       else if (counter > counters[1])
120           counters[0] = value;
121           counters[1] = counter - counters[1];
124         counters[1] -= counter;
125       counters[2] += all;
133    given an array COUNTERS of N_COUNTERS old counters and it reads the
134    same number of counters from the gcov file.  The counters are split
142 __gcov_merge_delta (gcov_type *counters, unsigned n_counters)
149   for (i = 0; i < n_measures; i++, counters += 4)
156       if (counters[1] == value)
157         counters[2] += counter;
158       else if (counter > counters[2])
160           counters[1] = value;
161           counters[2] = counter - counters[2];
164         counters[2] -= counter;
165       counters[3] += all;
172    This function is given array COUNTERS of N_COUNTERS old counters and it
173    reads the same number of counters from the gcov file.  */
176 __gcov_merge_icall_topn (gcov_type *counters, unsigned n_counters)
183       gcov_type *value_array = &counters[i + 1];