Update V8 to r5214 as required by WebKit r65072.
Change-Id: I387277a00cc0949597c0f69a8e4f2da60213c8f2
diff --git a/src/ia32/codegen-ia32.cc b/src/ia32/codegen-ia32.cc
index 9a11075..ba7785b 100644
--- a/src/ia32/codegen-ia32.cc
+++ b/src/ia32/codegen-ia32.cc
@@ -138,7 +138,6 @@
owner_->set_state(previous_);
}
-
// -------------------------------------------------------------------------
// CodeGenerator implementation.
@@ -5309,6 +5308,30 @@
}
+class DeferredAllocateInNewSpace: public DeferredCode {
+ public:
+ DeferredAllocateInNewSpace(int size, Register target)
+ : size_(size), target_(target) {
+ ASSERT(size >= kPointerSize && size <= Heap::MaxObjectSizeInNewSpace());
+ set_comment("[ DeferredAllocateInNewSpace");
+ }
+ void Generate();
+
+ private:
+ int size_;
+ Register target_;
+};
+
+
+void DeferredAllocateInNewSpace::Generate() {
+ __ push(Immediate(Smi::FromInt(size_)));
+ __ CallRuntime(Runtime::kAllocateInNewSpace, 1);
+ if (!target_.is(eax)) {
+ __ mov(target_, eax);
+ }
+}
+
+
void CodeGenerator::VisitRegExpLiteral(RegExpLiteral* node) {
ASSERT(!in_safe_int32_mode());
Comment cmnt(masm_, "[ RegExp Literal");
@@ -5339,10 +5362,33 @@
__ cmp(boilerplate.reg(), Factory::undefined_value());
deferred->Branch(equal);
deferred->BindExit();
- literals.Unuse();
- // Push the boilerplate object.
+ // Register of boilerplate contains RegExp object.
+
+ Result tmp = allocator()->Allocate();
+ ASSERT(tmp.is_valid());
+
+ int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize;
+
+ DeferredAllocateInNewSpace* allocate_fallback =
+ new DeferredAllocateInNewSpace(size, literals.reg());
frame_->Push(&boilerplate);
+ frame_->SpillTop();
+ __ AllocateInNewSpace(size,
+ literals.reg(),
+ tmp.reg(),
+ no_reg,
+ allocate_fallback->entry_label(),
+ TAG_OBJECT);
+ allocate_fallback->BindExit();
+ boilerplate = frame_->Pop();
+ // Copy from boilerplate to clone and return clone.
+
+ for (int i = 0; i < size; i += kPointerSize) {
+ __ mov(tmp.reg(), FieldOperand(boilerplate.reg(), i));
+ __ mov(FieldOperand(literals.reg(), i), tmp.reg());
+ }
+ frame_->Push(&literals);
}
@@ -7525,6 +7571,39 @@
}
+void CodeGenerator::GenerateIsRegExpEquivalent(ZoneList<Expression*>* args) {
+ ASSERT_EQ(2, args->length());
+ Load(args->at(0));
+ Load(args->at(1));
+ Result right_res = frame_->Pop();
+ Result left_res = frame_->Pop();
+ right_res.ToRegister();
+ left_res.ToRegister();
+ Result tmp_res = allocator()->Allocate();
+ ASSERT(tmp_res.is_valid());
+ Register right = right_res.reg();
+ Register left = left_res.reg();
+ Register tmp = tmp_res.reg();
+ right_res.Unuse();
+ left_res.Unuse();
+ tmp_res.Unuse();
+ __ cmp(left, Operand(right));
+ destination()->true_target()->Branch(equal);
+ // Fail if either is a non-HeapObject.
+ __ mov(tmp, left);
+ __ and_(Operand(tmp), right);
+ __ test(Operand(tmp), Immediate(kSmiTagMask));
+ destination()->false_target()->Branch(equal);
+ __ CmpObjectType(left, JS_REGEXP_TYPE, tmp);
+ destination()->false_target()->Branch(not_equal);
+ __ cmp(tmp, FieldOperand(right, HeapObject::kMapOffset));
+ destination()->false_target()->Branch(not_equal);
+ __ mov(tmp, FieldOperand(left, JSRegExp::kDataOffset));
+ __ cmp(tmp, FieldOperand(right, JSRegExp::kDataOffset));
+ destination()->Split(equal);
+}
+
+
void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
ASSERT(!in_safe_int32_mode());
if (CheckForInlineRuntimeCall(node)) {
@@ -12275,7 +12354,7 @@
void ApiGetterEntryStub::Generate(MacroAssembler* masm) {
- Label get_result;
+ Label empty_handle;
Label prologue;
Label promote_scheduled_exception;
__ EnterApiExitFrame(ExitFrame::MODE_NORMAL, kStackSpace, kArgc);
@@ -12318,20 +12397,20 @@
// Dereference this to get to the location.
__ mov(eax, Operand(eax, 0));
}
- // Check if the result handle holds 0
+ // Check if the result handle holds 0.
__ test(eax, Operand(eax));
- __ j(not_zero, &get_result, taken);
- // It was zero; the result is undefined.
- __ mov(eax, Factory::undefined_value());
- __ jmp(&prologue);
+ __ j(zero, &empty_handle, not_taken);
// It was non-zero. Dereference to get the result value.
- __ bind(&get_result);
__ mov(eax, Operand(eax, 0));
__ bind(&prologue);
__ LeaveExitFrame(ExitFrame::MODE_NORMAL);
__ ret(0);
__ bind(&promote_scheduled_exception);
__ TailCallRuntime(Runtime::kPromoteScheduledException, 0, 1);
+ __ bind(&empty_handle);
+ // It was zero; the result is undefined.
+ __ mov(eax, Factory::undefined_value());
+ __ jmp(&prologue);
}