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| author | Jan Hubicka <jh@suse.cz> | 2007-03-06 19:57:27 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2007-03-06 18:57:27 +0000 |
| commit | 52bf96d2f299e9e69db82b5d0ae7186ab949339b (patch) | |
| tree | 6db0f16a08d3e0f5d8feea8a59bd2d27420fa52d /gcc/function.h | |
| parent | 20f326d7103a4d9d821a54ad5fa030c8a9aa2478 (diff) | |
| download | gcc-52bf96d2f299e9e69db82b5d0ae7186ab949339b.zip gcc-52bf96d2f299e9e69db82b5d0ae7186ab949339b.tar.gz gcc-52bf96d2f299e9e69db82b5d0ae7186ab949339b.tar.bz2 | |
errors.h (warning, [...]): Mark as cold.
* errors.h (warning, error, fatal, internal_error): Mark as cold.
* predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
are hot.
(probably_cold_bb_p): Cold functions are cold.
(probably_never_executed_bb_p): Cold functions are cold.
(tree_bb_level_predictions): Predict calls to cold functions as not
taken.
(compute_function_frequency): Check hot/cold attributes.
* function.h (function_frequency): Update comments.
* predict.def (PRED_COLD_FUNCTION): Predict cold function.
* c-common.c (handle_hot_attribute, handle_cold_attribute): New.
(c_common_att): Add cold and hot.
* doc/extend.texi (hot,cold attributes): Document.
* ansidecl.h (ATTRIBUTE_COLD, ATTRIBUTE_HOT): New.
From-SVN: r122632
Diffstat (limited to 'gcc/function.h')
| -rw-r--r-- | gcc/function.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/function.h b/gcc/function.h index e02077f..8543194 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -168,12 +168,12 @@ DEF_VEC_ALLOC_P(temp_slot_p,gc); enum function_frequency { /* This function most likely won't be executed at all. - (set only when profile feedback is available). */ + (set only when profile feedback is available or via function attribute). */ FUNCTION_FREQUENCY_UNLIKELY_EXECUTED, /* The default value. */ FUNCTION_FREQUENCY_NORMAL, /* Optimize this function hard - (set only when profile feedback is available). */ + (set only when profile feedback is available or via function attribute). */ FUNCTION_FREQUENCY_HOT }; |