aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/compiler/qv4isel_masm.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@digia.com>2014-01-17 12:19:34 +0100
committerThe Qt Project <gerrit-noreply@qt-project.org>2014-01-20 21:14:35 +0100
commit393108500832dcefa4c4def442a08f20d3fbc4cd (patch)
tree64676214630008b9f5434c933590d9adf9baf094 /src/qml/compiler/qv4isel_masm.cpp
parentbf6191f090b326eb0776cd4e921ddb56c8daa8a9 (diff)
Use lookups for indexed accesses
This speeds up reading array data from objects significantly. Change-Id: I5d17a7b3e7583a16dc76d1ee6cbc1d7134e4c2fa Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/compiler/qv4isel_masm.cpp')
-rw-r--r--src/qml/compiler/qv4isel_masm.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4isel_masm.cpp b/src/qml/compiler/qv4isel_masm.cpp
index 415fdad8e9..6df94e713d 100644
--- a/src/qml/compiler/qv4isel_masm.cpp
+++ b/src/qml/compiler/qv4isel_masm.cpp
@@ -1015,6 +1015,14 @@ void InstructionSelection::setQObjectProperty(V4IR::Expr *source, V4IR::Expr *ta
void InstructionSelection::getElement(V4IR::Expr *base, V4IR::Expr *index, V4IR::Temp *target)
{
+ if (useFastLookups) {
+ uint lookup = registerIndexedGetterLookup();
+ generateLookupCall(target, lookup, qOffsetOf(QV4::Lookup, indexedGetter),
+ Assembler::PointerToValue(base),
+ Assembler::PointerToValue(index));
+ return;
+ }
+
#if 0 // QT_POINTER_SIZE == 8
V4IR::Temp *tbase = base->asTemp();
V4IR::Temp *tindex = index->asTemp();