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| author | Jan Hubicka <hubicka@ucw.cz> | 2019-11-10 19:10:51 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-11-10 18:10:51 +0000 |
| commit | d07f74faa60a3604b14e1ad7c25ac983731f0394 (patch) | |
| tree | 74341a584cf3a0993cf76bdbd761394bdc84523a /gcc/cgraph.c | |
| parent | d40e2362bb6dcff1ec3905cd8db1ad7e5ee4a1dd (diff) | |
| download | gcc-d07f74faa60a3604b14e1ad7c25ac983731f0394.zip gcc-d07f74faa60a3604b14e1ad7c25ac983731f0394.tar.gz gcc-d07f74faa60a3604b14e1ad7c25ac983731f0394.tar.bz2 | |
* cgraph.c (cgraph_edge::maybe_hot_p): Do not use sreal_frequency.
From-SVN: r278021
Diffstat (limited to 'gcc/cgraph.c')
| -rw-r--r-- | gcc/cgraph.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/gcc/cgraph.c b/gcc/cgraph.c index 96f1261..aa54e95 100644 --- a/gcc/cgraph.c +++ b/gcc/cgraph.c @@ -2697,14 +2697,18 @@ cgraph_edge::maybe_hot_p (void) return false; if (caller->frequency == NODE_FREQUENCY_HOT) return true; - /* If profile is now known yet, be conservative. - FIXME: this predicate is used by early inliner and can do better there. */ - if (symtab->state < IPA_SSA) + if (!count.initialized_p ()) return true; - if (caller->frequency == NODE_FREQUENCY_EXECUTED_ONCE - && sreal_frequency () * 2 < 3) + cgraph_node *where = caller->inlined_to ? caller->inlined_to : caller; + if (!where->count.initialized_p ()) return false; - if (sreal_frequency () * PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION) <= 1) + if (caller->frequency == NODE_FREQUENCY_EXECUTED_ONCE) + { + if (count.apply_scale (2, 1) < where->count.apply_scale (3, 1)) + return false; + } + else if (count.apply_scale (PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION), 1) + < where->count) return false; return true; } |