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authorJan Hubicka <hubicka@ucw.cz>2019-11-10 19:15:34 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2019-11-10 18:15:34 +0000
commit65eaab18b100ab83f1a05501e10b21875c72c299 (patch)
tree2fc3b47decdd1cbc3b1a95fc70be9d2fcfe63830
parentd07f74faa60a3604b14e1ad7c25ac983731f0394 (diff)
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Short circuit case where profiles are same.
* profile-count.c (profile_count::to_sreal_scale): Short circuit case where profiles are same. From-SVN: r278022
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/profile-count.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bdc3067..d2c7242 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2019-11-10 Jan Hubicka <hubicka@ucw.cz>
+ * profile-count.c (profile_count::to_sreal_scale): Short circuit
+ case where profiles are same.
+
+2019-11-10 Jan Hubicka <hubicka@ucw.cz>
+
* cgraph.c (cgraph_edge::maybe_hot_p): Do not use sreal_frequency.
2019-11-10 Jan Hubicka <hubicka@ucw.cz>
diff --git a/gcc/profile-count.c b/gcc/profile-count.c
index 6198675..6f6c0a9 100644
--- a/gcc/profile-count.c
+++ b/gcc/profile-count.c
@@ -312,6 +312,8 @@ profile_count::to_sreal_scale (profile_count in, bool *known) const
*known = true;
if (*this == zero ())
return 0;
+ if (m_val == in.m_val)
+ return 1;
if (!in.m_val)
{