diff options
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index 57975d1..5394ef5 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -128,25 +128,42 @@ maybe_hot_frequency_p (struct function *fun, int freq) return true; } +static gcov_type min_count = -1; + +/* Determine the threshold for hot BB counts. */ + +gcov_type +get_hot_bb_threshold () +{ + gcov_working_set_t *ws; + if (min_count == -1) + { + ws = find_working_set (PARAM_VALUE (HOT_BB_COUNT_WS_PERMILLE)); + gcc_assert (ws); + min_count = ws->min_counter; + } + return min_count; +} + +/* Set the threshold for hot BB counts. */ + +void +set_hot_bb_threshold (gcov_type min) +{ + min_count = min; +} + /* Return TRUE if frequency FREQ is considered to be hot. */ static inline bool maybe_hot_count_p (struct function *fun, gcov_type count) { - gcov_working_set_t *ws; - static gcov_type min_count = -1; if (fun && profile_status_for_function (fun) != PROFILE_READ) return true; /* Code executed at most once is not hot. */ if (profile_info->runs >= count) return false; - if (min_count == -1) - { - ws = find_working_set (PARAM_VALUE (HOT_BB_COUNT_WS_PERMILLE)); - gcc_assert (ws); - min_count = ws->min_counter; - } - return (count >= min_count); + return (count >= get_hot_bb_threshold ()); } /* Return true in case BB can be CPU intensive and should be optimized |