BASELINE: Update Chromium to 59.0.3071.134

Change-Id: Id02ef6fb2204c5fd21668a1c3e6911c83b17585a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 395 insertions, 0 deletions

diff --git a/chromium/v8/src/interpreter/interpreter-intrinsics-generator.cc b/chromium/v8/src/interpreter/interpreter-intrinsics-generator.cc
new file mode 100644
index 00000000000..bdd079ab841
--- /dev/null
+++ b/chromium/v8/src/interpreter/interpreter-intrinsics-generator.cc
@@ -0,0 +1,395 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/interpreter/interpreter-intrinsics-generator.h"
+
+#include "src/allocation.h"
+#include "src/builtins/builtins.h"
+#include "src/code-factory.h"
+#include "src/frames.h"
+#include "src/interpreter/bytecodes.h"
+#include "src/interpreter/interpreter-assembler.h"
+#include "src/interpreter/interpreter-intrinsics.h"
+
+namespace v8 {
+namespace internal {
+namespace interpreter {
+
+using compiler::Node;
+
+class IntrinsicsGenerator {
+ public:
+  explicit IntrinsicsGenerator(InterpreterAssembler* assembler)
+      : isolate_(assembler->isolate()),
+        zone_(assembler->zone()),
+        assembler_(assembler) {}
+
+  Node* InvokeIntrinsic(Node* function_id, Node* context, Node* first_arg_reg,
+                        Node* arg_count);
+
+ private:
+  enum InstanceTypeCompareMode {
+    kInstanceTypeEqual,
+    kInstanceTypeGreaterThanOrEqual
+  };
+
+  Node* IsInstanceType(Node* input, int type);
+  Node* CompareInstanceType(Node* map, int type, InstanceTypeCompareMode mode);
+  Node* IntrinsicAsStubCall(Node* input, Node* context,
+                            Callable const& callable);
+  Node* IntrinsicAsBuiltinCall(Node* input, Node* context, Builtins::Name name);
+  void AbortIfArgCountMismatch(int expected, compiler::Node* actual);
+
+#define DECLARE_INTRINSIC_HELPER(name, lower_case, count) \
+  Node* name(Node* input, Node* arg_count, Node* context);
+  INTRINSICS_LIST(DECLARE_INTRINSIC_HELPER)
+#undef DECLARE_INTRINSIC_HELPER
+
+  Isolate* isolate() { return isolate_; }
+  Zone* zone() { return zone_; }
+
+  Isolate* isolate_;
+  Zone* zone_;
+  InterpreterAssembler* assembler_;
+
+  DISALLOW_COPY_AND_ASSIGN(IntrinsicsGenerator);
+};
+
+Node* GenerateInvokeIntrinsic(InterpreterAssembler* assembler,
+                              Node* function_id, Node* context,
+                              Node* first_arg_reg, Node* arg_count) {
+  IntrinsicsGenerator generator(assembler);
+  return generator.InvokeIntrinsic(function_id, context, first_arg_reg,
+                                   arg_count);
+}
+
+#define __ assembler_->
+
+Node* IntrinsicsGenerator::InvokeIntrinsic(Node* function_id, Node* context,
+                                           Node* first_arg_reg,
+                                           Node* arg_count) {
+  InterpreterAssembler::Label abort(assembler_), end(assembler_);
+  InterpreterAssembler::Variable result(assembler_,
+                                        MachineRepresentation::kTagged);
+
+#define MAKE_LABEL(name, lower_case, count) \
+  InterpreterAssembler::Label lower_case(assembler_);
+  INTRINSICS_LIST(MAKE_LABEL)
+#undef MAKE_LABEL
+
+#define LABEL_POINTER(name, lower_case, count) &lower_case,
+  InterpreterAssembler::Label* labels[] = {INTRINSICS_LIST(LABEL_POINTER)};
+#undef LABEL_POINTER
+
+#define CASE(name, lower_case, count) \
+  static_cast<int32_t>(IntrinsicsHelper::IntrinsicId::k##name),
+  int32_t cases[] = {INTRINSICS_LIST(CASE)};
+#undef CASE
+
+  __ Switch(function_id, &abort, cases, labels, arraysize(cases));
+#define HANDLE_CASE(name, lower_case, expected_arg_count)   \
+  __ Bind(&lower_case);                                     \
+  if (FLAG_debug_code && expected_arg_count >= 0) {         \
+    AbortIfArgCountMismatch(expected_arg_count, arg_count); \
+  }                                                         \
+  result.Bind(name(first_arg_reg, arg_count, context));     \
+  __ Goto(&end);
+  INTRINSICS_LIST(HANDLE_CASE)
+#undef HANDLE_CASE
+
+  __ Bind(&abort);
+  {
+    __ Abort(BailoutReason::kUnexpectedFunctionIDForInvokeIntrinsic);
+    result.Bind(__ UndefinedConstant());
+    __ Goto(&end);
+  }
+
+  __ Bind(&end);
+  return result.value();
+}
+
+Node* IntrinsicsGenerator::CompareInstanceType(Node* object, int type,
+                                               InstanceTypeCompareMode mode) {
+  Node* instance_type = __ LoadInstanceType(object);
+
+  if (mode == kInstanceTypeEqual) {
+    return __ Word32Equal(instance_type, __ Int32Constant(type));
+  } else {
+    DCHECK(mode == kInstanceTypeGreaterThanOrEqual);
+    return __ Int32GreaterThanOrEqual(instance_type, __ Int32Constant(type));
+  }
+}
+
+Node* IntrinsicsGenerator::IsInstanceType(Node* input, int type) {
+  InterpreterAssembler::Variable return_value(assembler_,
+                                              MachineRepresentation::kTagged);
+  // TODO(ishell): Use Select here.
+  InterpreterAssembler::Label if_not_smi(assembler_), return_true(assembler_),
+      return_false(assembler_), end(assembler_);
+  Node* arg = __ LoadRegister(input);
+  __ GotoIf(__ TaggedIsSmi(arg), &return_false);
+
+  Node* condition = CompareInstanceType(arg, type, kInstanceTypeEqual);
+  __ Branch(condition, &return_true, &return_false);
+
+  __ Bind(&return_true);
+  {
+    return_value.Bind(__ BooleanConstant(true));
+    __ Goto(&end);
+  }
+
+  __ Bind(&return_false);
+  {
+    return_value.Bind(__ BooleanConstant(false));
+    __ Goto(&end);
+  }
+
+  __ Bind(&end);
+  return return_value.value();
+}
+
+Node* IntrinsicsGenerator::IsJSReceiver(Node* input, Node* arg_count,
+                                        Node* context) {
+  // TODO(ishell): Use Select here.
+  // TODO(ishell): Use CSA::IsJSReceiverInstanceType here.
+  InterpreterAssembler::Variable return_value(assembler_,
+                                              MachineRepresentation::kTagged);
+  InterpreterAssembler::Label return_true(assembler_), return_false(assembler_),
+      end(assembler_);
+
+  Node* arg = __ LoadRegister(input);
+  __ GotoIf(__ TaggedIsSmi(arg), &return_false);
+
+  STATIC_ASSERT(LAST_TYPE == LAST_JS_RECEIVER_TYPE);
+  Node* condition = CompareInstanceType(arg, FIRST_JS_RECEIVER_TYPE,
+                                        kInstanceTypeGreaterThanOrEqual);
+  __ Branch(condition, &return_true, &return_false);
+
+  __ Bind(&return_true);
+  {
+    return_value.Bind(__ BooleanConstant(true));
+    __ Goto(&end);
+  }
+
+  __ Bind(&return_false);
+  {
+    return_value.Bind(__ BooleanConstant(false));
+    __ Goto(&end);
+  }
+
+  __ Bind(&end);
+  return return_value.value();
+}
+
+Node* IntrinsicsGenerator::IsArray(Node* input, Node* arg_count,
+                                   Node* context) {
+  return IsInstanceType(input, JS_ARRAY_TYPE);
+}
+
+Node* IntrinsicsGenerator::IsJSProxy(Node* input, Node* arg_count,
+                                     Node* context) {
+  return IsInstanceType(input, JS_PROXY_TYPE);
+}
+
+Node* IntrinsicsGenerator::IsTypedArray(Node* input, Node* arg_count,
+                                        Node* context) {
+  return IsInstanceType(input, JS_TYPED_ARRAY_TYPE);
+}
+
+Node* IntrinsicsGenerator::IsSmi(Node* input, Node* arg_count, Node* context) {
+  // TODO(ishell): Use SelectBooleanConstant here.
+  InterpreterAssembler::Variable return_value(assembler_,
+                                              MachineRepresentation::kTagged);
+  InterpreterAssembler::Label if_smi(assembler_), if_not_smi(assembler_),
+      end(assembler_);
+
+  Node* arg = __ LoadRegister(input);
+
+  __ Branch(__ TaggedIsSmi(arg), &if_smi, &if_not_smi);
+  __ Bind(&if_smi);
+  {
+    return_value.Bind(__ BooleanConstant(true));
+    __ Goto(&end);
+  }
+
+  __ Bind(&if_not_smi);
+  {
+    return_value.Bind(__ BooleanConstant(false));
+    __ Goto(&end);
+  }
+
+  __ Bind(&end);
+  return return_value.value();
+}
+
+Node* IntrinsicsGenerator::IntrinsicAsStubCall(Node* args_reg, Node* context,
+                                               Callable const& callable) {
+  int param_count = callable.descriptor().GetParameterCount();
+  int input_count = param_count + 2;  // +2 for target and context
+  Node** args = zone()->NewArray<Node*>(input_count);
+  int index = 0;
+  args[index++] = __ HeapConstant(callable.code());
+  for (int i = 0; i < param_count; i++) {
+    args[index++] = __ LoadRegister(args_reg);
+    args_reg = __ NextRegister(args_reg);
+  }
+  args[index++] = context;
+  return __ CallStubN(callable.descriptor(), 1, input_count, args);
+}
+
+Node* IntrinsicsGenerator::IntrinsicAsBuiltinCall(Node* input, Node* context,
+                                                  Builtins::Name name) {
+  Callable callable = Builtins::CallableFor(isolate_, name);
+  return IntrinsicAsStubCall(input, context, callable);
+}
+
+Node* IntrinsicsGenerator::CreateIterResultObject(Node* input, Node* arg_count,
+                                                  Node* context) {
+  return IntrinsicAsStubCall(input, context,
+                             CodeFactory::CreateIterResultObject(isolate()));
+}
+
+Node* IntrinsicsGenerator::HasProperty(Node* input, Node* arg_count,
+                                       Node* context) {
+  return IntrinsicAsStubCall(input, context,
+                             CodeFactory::HasProperty(isolate()));
+}
+
+Node* IntrinsicsGenerator::SubString(Node* input, Node* arg_count,
+                                     Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::SubString(isolate()));
+}
+
+Node* IntrinsicsGenerator::ToString(Node* input, Node* arg_count,
+                                    Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::ToString(isolate()));
+}
+
+Node* IntrinsicsGenerator::ToLength(Node* input, Node* arg_count,
+                                    Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::ToLength(isolate()));
+}
+
+Node* IntrinsicsGenerator::ToInteger(Node* input, Node* arg_count,
+                                     Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::ToInteger(isolate()));
+}
+
+Node* IntrinsicsGenerator::ToNumber(Node* input, Node* arg_count,
+                                    Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::ToNumber(isolate()));
+}
+
+Node* IntrinsicsGenerator::ToObject(Node* input, Node* arg_count,
+                                    Node* context) {
+  return IntrinsicAsStubCall(input, context, CodeFactory::ToObject(isolate()));
+}
+
+Node* IntrinsicsGenerator::Call(Node* args_reg, Node* arg_count,
+                                Node* context) {
+  // First argument register contains the function target.
+  Node* function = __ LoadRegister(args_reg);
+
+  // Receiver is the second runtime call argument.
+  Node* receiver_reg = __ NextRegister(args_reg);
+  Node* receiver_arg = __ RegisterLocation(receiver_reg);
+
+  // Subtract function and receiver from arg count.
+  Node* function_and_receiver_count = __ Int32Constant(2);
+  Node* target_args_count = __ Int32Sub(arg_count, function_and_receiver_count);
+
+  if (FLAG_debug_code) {
+    InterpreterAssembler::Label arg_count_positive(assembler_);
+    Node* comparison = __ Int32LessThan(target_args_count, __ Int32Constant(0));
+    __ GotoIfNot(comparison, &arg_count_positive);
+    __ Abort(kWrongArgumentCountForInvokeIntrinsic);
+    __ Goto(&arg_count_positive);
+    __ Bind(&arg_count_positive);
+  }
+
+  Node* result = __ CallJS(function, context, receiver_arg, target_args_count,
+                           ConvertReceiverMode::kAny, TailCallMode::kDisallow);
+  return result;
+}
+
+Node* IntrinsicsGenerator::ClassOf(Node* args_reg, Node* arg_count,
+                                   Node* context) {
+  Node* value = __ LoadRegister(args_reg);
+  return __ ClassOf(value);
+}
+
+Node* IntrinsicsGenerator::CreateAsyncFromSyncIterator(Node* args_reg,
+                                                       Node* arg_count,
+                                                       Node* context) {
+  InterpreterAssembler::Label not_receiver(
+      assembler_, InterpreterAssembler::Label::kDeferred);
+  InterpreterAssembler::Label done(assembler_);
+  InterpreterAssembler::Variable return_value(assembler_,
+                                              MachineRepresentation::kTagged);
+
+  Node* sync_iterator = __ LoadRegister(args_reg);
+
+  __ GotoIf(__ TaggedIsSmi(sync_iterator), &not_receiver);
+  __ GotoIfNot(__ IsJSReceiver(sync_iterator), &not_receiver);
+
+  Node* const native_context = __ LoadNativeContext(context);
+  Node* const map = __ LoadContextElement(
+      native_context, Context::ASYNC_FROM_SYNC_ITERATOR_MAP_INDEX);
+  Node* const iterator = __ AllocateJSObjectFromMap(map);
+
+  __ StoreObjectFieldNoWriteBarrier(
+      iterator, JSAsyncFromSyncIterator::kSyncIteratorOffset, sync_iterator);
+
+  return_value.Bind(iterator);
+  __ Goto(&done);
+
+  __ Bind(&not_receiver);
+  {
+    return_value.Bind(
+        __ CallRuntime(Runtime::kThrowSymbolIteratorInvalid, context));
+
+    // Unreachable due to the Throw in runtime call.
+    __ Goto(&done);
+  }
+
+  __ Bind(&done);
+  return return_value.value();
+}
+
+Node* IntrinsicsGenerator::AsyncGeneratorGetAwaitInputOrDebugPos(
+    Node* args_reg, Node* arg_count, Node* context) {
+  Node* generator = __ LoadRegister(args_reg);
+  CSA_SLOW_ASSERT(assembler_, __ HasInstanceType(
+                                  generator, JS_ASYNC_GENERATOR_OBJECT_TYPE));
+
+  Node* const value = __ LoadObjectField(
+      generator, JSAsyncGeneratorObject::kAwaitInputOrDebugPosOffset);
+
+  return value;
+}
+
+Node* IntrinsicsGenerator::AsyncGeneratorReject(Node* input, Node* arg_count,
+                                                Node* context) {
+  return IntrinsicAsBuiltinCall(input, context,
+                                Builtins::kAsyncGeneratorReject);
+}
+
+Node* IntrinsicsGenerator::AsyncGeneratorResolve(Node* input, Node* arg_count,
+                                                 Node* context) {
+  return IntrinsicAsBuiltinCall(input, context,
+                                Builtins::kAsyncGeneratorResolve);
+}
+
+void IntrinsicsGenerator::AbortIfArgCountMismatch(int expected, Node* actual) {
+  InterpreterAssembler::Label match(assembler_);
+  Node* comparison = __ Word32Equal(actual, __ Int32Constant(expected));
+  __ GotoIf(comparison, &match);
+  __ Abort(kWrongArgumentCountForInvokeIntrinsic);
+  __ Goto(&match);
+  __ Bind(&match);
+}
+
+}  // namespace interpreter
+}  // namespace internal
+}  // namespace v8