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-rw-r--r--src/qml/jit/qv4assemblercommon_p.h3
-rw-r--r--src/qml/jit/qv4baselineassembler.cpp21
-rw-r--r--src/qml/jit/qv4baselineassembler_p.h14
-rw-r--r--src/qml/jit/qv4baselinejit.cpp20
-rw-r--r--src/qml/jit/qv4baselinejit_p.h5
5 files changed, 35 insertions, 28 deletions
diff --git a/src/qml/jit/qv4assemblercommon_p.h b/src/qml/jit/qv4assemblercommon_p.h
index 8f4d3238c4..3e70457bd8 100644
--- a/src/qml/jit/qv4assemblercommon_p.h
+++ b/src/qml/jit/qv4assemblercommon_p.h
@@ -670,7 +670,8 @@ public:
void addLabelForOffset(int offset)
{
- labelForOffset.insert(offset, label());
+ if (!labelForOffset.contains(offset))
+ labelForOffset.insert(offset, label());
}
void addJumpToOffset(const Jump &jump, int offset)
diff --git a/src/qml/jit/qv4baselineassembler.cpp b/src/qml/jit/qv4baselineassembler.cpp
index 9663754cbf..987f366256 100644
--- a/src/qml/jit/qv4baselineassembler.cpp
+++ b/src/qml/jit/qv4baselineassembler.cpp
@@ -1382,28 +1382,31 @@ void BaselineAssembler::cmpStrictNotEqual(int lhs)
pasm()->setAccumulatorTag(QV4::Value::ValueTypeInternal::Boolean);
}
-void BaselineAssembler::jump(int offset)
+int BaselineAssembler::jump(int offset)
{
pasm()->addJumpToOffset(pasm()->jump(), offset);
+ return offset;
}
-void BaselineAssembler::jumpTrue(int offset)
+int BaselineAssembler::jumpTrue(int offset)
{
pasm()->toBoolean([this, offset](PlatformAssembler::RegisterID resultReg) {
auto jump = pasm()->branch32(PlatformAssembler::NotEqual, TrustedImm32(0), resultReg);
pasm()->addJumpToOffset(jump, offset);
});
+ return offset;
}
-void BaselineAssembler::jumpFalse(int offset)
+int BaselineAssembler::jumpFalse(int offset)
{
pasm()->toBoolean([this, offset](PlatformAssembler::RegisterID resultReg) {
auto jump = pasm()->branch32(PlatformAssembler::Equal, TrustedImm32(0), resultReg);
pasm()->addJumpToOffset(jump, offset);
});
+ return offset;
}
-void BaselineAssembler::jumpNoException(int offset)
+int BaselineAssembler::jumpNoException(int offset)
{
auto jump = pasm()->branch32(
PlatformAssembler::Equal,
@@ -1411,11 +1414,13 @@ void BaselineAssembler::jumpNoException(int offset)
offsetof(EngineBase, hasException)),
TrustedImm32(0));
pasm()->addJumpToOffset(jump, offset);
+ return offset;
}
-void BaselineAssembler::jumpNotUndefined(int offset)
+int BaselineAssembler::jumpNotUndefined(int offset)
{
pasm()->jumpNotUndefined(offset);
+ return offset;
}
void BaselineAssembler::prepareCallWithArgCount(int argc)
@@ -1539,10 +1544,11 @@ void BaselineAssembler::setException()
noException.link(pasm());
}
-void BaselineAssembler::setUnwindHandler(int offset)
+int BaselineAssembler::setUnwindHandler(int offset)
{
auto l = pasm()->storePtrWithPatch(TrustedImmPtr(nullptr), pasm()->exceptionHandlerAddress());
pasm()->addEHTarget(l, offset);
+ return offset;
}
@@ -1568,12 +1574,13 @@ void JIT::BaselineAssembler::unwindDispatch()
noUnwind.link(pasm());
}
-void JIT::BaselineAssembler::unwindToLabel(int level, int offset)
+int JIT::BaselineAssembler::unwindToLabel(int level, int offset)
{
auto l = pasm()->storePtrWithPatch(TrustedImmPtr(nullptr), Address(PlatformAssembler::CppStackFrameRegister, offsetof(CppStackFrame, unwindLabel)));
pasm()->addEHTarget(l, offset);
pasm()->store32(TrustedImm32(level), Address(PlatformAssembler::CppStackFrameRegister, offsetof(CppStackFrame, unwindLevel)));
gotoCatchException();
+ return offset;
}
void BaselineAssembler::pushCatchContext(int index, int name)
diff --git a/src/qml/jit/qv4baselineassembler_p.h b/src/qml/jit/qv4baselineassembler_p.h
index dbefa42784..c39d002bf9 100644
--- a/src/qml/jit/qv4baselineassembler_p.h
+++ b/src/qml/jit/qv4baselineassembler_p.h
@@ -135,11 +135,11 @@ public:
void cmpStrictNotEqual(int lhs);
// jumps
- void jump(int offset);
- void jumpTrue(int offset);
- void jumpFalse(int offset);
- void jumpNoException(int offset);
- void jumpNotUndefined(int offset);
+ Q_REQUIRED_RESULT int jump(int offset);
+ Q_REQUIRED_RESULT int jumpTrue(int offset);
+ Q_REQUIRED_RESULT int jumpFalse(int offset);
+ Q_REQUIRED_RESULT int jumpNoException(int offset);
+ Q_REQUIRED_RESULT int jumpNotUndefined(int offset);
// stuff for runtime calls
void prepareCallWithArgCount(int argc);
@@ -160,10 +160,10 @@ public:
void gotoCatchException();
void getException();
void setException();
- void setUnwindHandler(int offset);
+ Q_REQUIRED_RESULT int setUnwindHandler(int offset);
void clearUnwindHandler();
void unwindDispatch();
- void unwindToLabel(int level, int offset);
+ Q_REQUIRED_RESULT int unwindToLabel(int level, int offset);
void pushCatchContext(int index, int name);
void popContext();
void deadTemporalZoneCheck(int offsetForSavedIP, int variableName);
diff --git a/src/qml/jit/qv4baselinejit.cpp b/src/qml/jit/qv4baselinejit.cpp
index ed4cdabd26..df3af1fce3 100644
--- a/src/qml/jit/qv4baselinejit.cpp
+++ b/src/qml/jit/qv4baselinejit.cpp
@@ -63,7 +63,9 @@ void BaselineJIT::generate()
// qDebug()<<"jitting" << function->name()->toQString();
const char *code = function->codeData;
uint len = function->compiledFunction->codeSize;
- labels = collectLabelsInBytecode(code, len);
+
+ for (unsigned i = 0, ei = function->compiledFunction->nLabelInfos; i != ei; ++i)
+ labels.insert(int(function->compiledFunction->labelInfoTable()[i]));
as->generatePrologue();
decode(code, len);
@@ -591,7 +593,7 @@ void BaselineJIT::generate_ConstructWithSpread(int func, int argc, int argv)
void BaselineJIT::generate_SetUnwindHandler(int offset)
{
if (offset)
- as->setUnwindHandler(absoluteOffsetForJump(offset));
+ labels.insert(as->setUnwindHandler(absoluteOffsetForJump(offset)));
else
as->clearUnwindHandler();
}
@@ -603,7 +605,7 @@ void BaselineJIT::generate_UnwindDispatch()
void BaselineJIT::generate_UnwindToLabel(int level, int offset)
{
- as->unwindToLabel(level, absoluteOffsetForJump(offset));
+ labels.insert(as->unwindToLabel(level, absoluteOffsetForJump(offset)));
}
void BaselineJIT::generate_DeadTemporalZoneCheck(int name)
@@ -870,11 +872,11 @@ void BaselineJIT::generate_ToObject()
}
-void BaselineJIT::generate_Jump(int offset) { as->jump(absoluteOffsetForJump(offset)); }
-void BaselineJIT::generate_JumpTrue(int /*traceSlot*/, int offset) { as->jumpTrue(absoluteOffsetForJump(offset)); }
-void BaselineJIT::generate_JumpFalse(int /*traceSlot*/, int offset) { as->jumpFalse(absoluteOffsetForJump(offset)); }
-void BaselineJIT::generate_JumpNoException(int offset) { as->jumpNoException(absoluteOffsetForJump(offset)); }
-void BaselineJIT::generate_JumpNotUndefined(int offset) { as->jumpNotUndefined(absoluteOffsetForJump(offset)); }
+void BaselineJIT::generate_Jump(int offset) { labels.insert(as->jump(absoluteOffsetForJump(offset))); }
+void BaselineJIT::generate_JumpTrue(int /*traceSlot*/, int offset) { labels.insert(as->jumpTrue(absoluteOffsetForJump(offset))); }
+void BaselineJIT::generate_JumpFalse(int /*traceSlot*/, int offset) { labels.insert(as->jumpFalse(absoluteOffsetForJump(offset))); }
+void BaselineJIT::generate_JumpNoException(int offset) { labels.insert(as->jumpNoException(absoluteOffsetForJump(offset))); }
+void BaselineJIT::generate_JumpNotUndefined(int offset) { labels.insert(as->jumpNotUndefined(absoluteOffsetForJump(offset))); }
void BaselineJIT::generate_CmpEqNull() { as->cmpeqNull(); }
void BaselineJIT::generate_CmpNeNull() { as->cmpneNull(); }
@@ -1004,7 +1006,7 @@ void BaselineJIT::generate_GetTemplateObject(int index)
void BaselineJIT::startInstruction(Instr::Type /*instr*/)
{
- if (hasLabel())
+ if (labels.contains(currentInstructionOffset()))
as->addLabel(currentInstructionOffset());
}
diff --git a/src/qml/jit/qv4baselinejit_p.h b/src/qml/jit/qv4baselinejit_p.h
index 9e7dd8f2ca..385fbf72f3 100644
--- a/src/qml/jit/qv4baselinejit_p.h
+++ b/src/qml/jit/qv4baselinejit_p.h
@@ -221,16 +221,13 @@ public:
void endInstruction(Moth::Instr::Type instr) override;
protected:
- bool hasLabel() const
- { return std::find(labels.cbegin(), labels.cend(), currentInstructionOffset()) != labels.cend(); }
-
int absoluteOffsetForJump(int relativeOffset) const
{ return nextInstructionOffset() + relativeOffset; }
private:
QV4::Function *function;
QScopedPointer<BaselineAssembler> as;
- std::vector<int> labels;
+ QSet<int> labels;
};
#endif // V4_ENABLE_JIT