diff options
Diffstat (limited to 'gcc/function.h')
| -rw-r--r-- | gcc/function.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/function.h b/gcc/function.h index bc789c8181a..912f8513c53 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -481,6 +481,19 @@ struct function /* Nonzero if code to initialize arg_pointer_save_area has been emited. */ unsigned int arg_pointer_save_area_init : 1; + + /* How commonly executed the function is. Initialized during branch + probabilities pass. */ + enum function_frequency { + /* This function most likely won't be executed at all. + (set only when profile feedback is available). */ + FUNCTION_FREQUENCY_UNLIKELY_EXECUTED, + /* The default value. */ + FUNCTION_FREQUENCY_NORMAL, + /* Optimize this function hard + (set only when profile feedback is available). */ + FUNCTION_FREQUENCY_HOT + } function_frequency; }; /* The function currently being compiled. */ |