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| author | Erik Verbruggen <erik.verbruggen@theqtcompany.com> | 2016-04-21 14:08:06 +0200 |
|---|---|---|
| committer | Erik Verbruggen <erik.verbruggen@qt.io> | 2016-05-12 14:08:37 +0000 |
| commit | a7b383ab989e74ef552c2ef9c38377e065f1ab0e (patch) | |
| tree | a278dba709e1133e805d8d64cf3facb5d716ea89 /src/qml/jsruntime/qv4identifier.cpp | |
| parent | 32897258b4b9309cae9562a61fea280acd954aa5 (diff) | |
V4: calculate the hash only once when inserting a string.
Reduces the number of instructions of IdentifierTable::identifier by ~15%.
Change-Id: I5a234fa96a6ee3e7202150ded512d1be0b36560d
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
Diffstat (limited to 'src/qml/jsruntime/qv4identifier.cpp')
| -rw-r--r-- | src/qml/jsruntime/qv4identifier.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/qml/jsruntime/qv4identifier.cpp b/src/qml/jsruntime/qv4identifier.cpp index c8d66b1254..626648067f 100644 --- a/src/qml/jsruntime/qv4identifier.cpp +++ b/src/qml/jsruntime/qv4identifier.cpp @@ -131,7 +131,7 @@ const IdentifierHashEntry *IdentifierHashBase::lookup(const QString &str) const return 0; Q_ASSERT(d->entries); - uint hash = String::createHashValue(str.constData(), str.length()); + uint hash = String::createHashValue(str.constData(), str.length(), Q_NULLPTR); uint idx = hash % d->alloc; while (1) { if (!d->entries[idx].identifier) |