From 173d1bfbfb4a5821e965725af37c8079d3d65c22 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Thu, 19 Jan 2023 21:04:21 +0000
Subject: Suggest hot path to make it easier on the compiler to do the right
 thing.

---
 vespalib/src/vespa/vespalib/stllike/hashtable.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'vespalib')

diff --git a/vespalib/src/vespa/vespalib/stllike/hashtable.hpp b/vespalib/src/vespa/vespalib/stllike/hashtable.hpp
index 8289b5a5fd4..cd0a4fbee80 100644
--- a/vespalib/src/vespa/vespalib/stllike/hashtable.hpp
+++ b/vespalib/src/vespa/vespalib/stllike/hashtable.hpp
@@ -188,7 +188,7 @@ void
 hashtable<Key, Value, Hash, Equal, KeyExtract, Modulator>::force_insert(Value && value)
 {
     const next_t h = hash(_keyExtractor(value));
-    if ( ! _nodes[h].valid() ) {
+    if ( ! _nodes[h].valid() ) [[likely]] {
         _nodes[h] = std::move(value);
         _count++;
     } else {
-- 
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