deps: update V8 to 5.7.492.69

PR-URL: https://github.com/nodejs/node/pull/11752
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>

1 files changed, 100 insertions, 10 deletions

diff --git a/deps/v8/src/interface-descriptors.cc b/deps/v8/src/interface-descriptors.cc
index d14b1a1011..26b6422f6b 100644
--- a/deps/v8/src/interface-descriptors.cc
+++ b/deps/v8/src/interface-descriptors.cc
@@ -74,6 +74,20 @@ void FastNewFunctionContextDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void FastNewObjectDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {TargetRegister(), NewTargetRegister()};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+const Register FastNewObjectDescriptor::TargetRegister() {
+  return kJSFunctionRegister;
+}
+
+const Register FastNewObjectDescriptor::NewTargetRegister() {
+  return kJavaScriptCallNewTargetRegister;
+}
+
 void LoadDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kReceiver, kName, kSlot
@@ -90,24 +104,41 @@ void LoadDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void LoadFieldDescriptor::InitializePlatformIndependent(
+    CallInterfaceDescriptorData* data) {
+  // kReceiver, kSmiHandler
+  MachineType machine_types[] = {MachineType::AnyTagged(),
+                                 MachineType::AnyTagged()};
+  data->InitializePlatformIndependent(arraysize(machine_types), 0,
+                                      machine_types);
+}
+
+void LoadFieldDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {ReceiverRegister(), SmiHandlerRegister()};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
 void LoadGlobalDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
-  // kSlot
-  MachineType machine_types[] = {MachineType::TaggedSigned()};
+  // kName, kSlot
+  MachineType machine_types[] = {MachineType::AnyTagged(),
+                                 MachineType::TaggedSigned()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 void LoadGlobalDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {LoadWithVectorDescriptor::SlotRegister()};
+  Register registers[] = {NameRegister(), SlotRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void LoadGlobalWithVectorDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
-  // kSlot, kVector
-  MachineType machine_types[] = {MachineType::TaggedSigned(),
+  // kName, kSlot, kVector
+  MachineType machine_types[] = {MachineType::AnyTagged(),
+                                 MachineType::TaggedSigned(),
                                  MachineType::AnyTagged()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
@@ -115,8 +146,7 @@ void LoadGlobalWithVectorDescriptor::InitializePlatformIndependent(
 
 void LoadGlobalWithVectorDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {LoadWithVectorDescriptor::SlotRegister(),
-                          LoadWithVectorDescriptor::VectorRegister()};
+  Register registers[] = {NameRegister(), SlotRegister(), VectorRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
@@ -183,6 +213,35 @@ void StoreNamedTransitionDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(len, registers);
 }
 
+void StringCharAtDescriptor::InitializePlatformIndependent(
+    CallInterfaceDescriptorData* data) {
+  // kReceiver, kPosition
+  MachineType machine_types[] = {MachineType::AnyTagged(),
+                                 MachineType::IntPtr()};
+  data->InitializePlatformIndependent(arraysize(machine_types), 0,
+                                      machine_types);
+}
+
+void StringCharAtDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  DefaultInitializePlatformSpecific(data, kParameterCount);
+}
+
+void StringCharCodeAtDescriptor::InitializePlatformIndependent(
+    CallInterfaceDescriptorData* data) {
+  // kReceiver, kPosition
+  // TODO(turbofan): Allow builtins to return untagged values.
+  MachineType machine_types[] = {MachineType::AnyTagged(),
+                                 MachineType::IntPtr()};
+  data->InitializePlatformIndependent(arraysize(machine_types), 0,
+                                      machine_types);
+}
+
+void StringCharCodeAtDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  DefaultInitializePlatformSpecific(data, kParameterCount);
+}
+
 void StringCompareDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {LeftRegister(), RightRegister()};
@@ -207,6 +266,19 @@ void MathPowIntegerDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+const Register LoadFieldDescriptor::ReceiverRegister() {
+  // Reuse the register from the LoadDescriptor, since given the
+  // LoadFieldDescriptor's usage, it doesn't matter exactly which registers are
+  // used to pass parameters in.
+  return LoadDescriptor::ReceiverRegister();
+}
+const Register LoadFieldDescriptor::SmiHandlerRegister() {
+  // Reuse the register from the LoadDescriptor, since given the
+  // LoadFieldDescriptor's usage, it doesn't matter exactly which registers are
+  // used to pass parameters in.
+  return LoadDescriptor::NameRegister();
+}
+
 void LoadWithVectorDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kReceiver, kName, kSlot, kVector
@@ -293,6 +365,18 @@ void GrowArrayElementsDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void NewArgumentsElementsDescriptor::InitializePlatformIndependent(
+    CallInterfaceDescriptorData* data) {
+  MachineType const kMachineTypes[] = {MachineType::IntPtr()};
+  data->InitializePlatformIndependent(arraysize(kMachineTypes), 0,
+                                      kMachineTypes);
+}
+
+void NewArgumentsElementsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  DefaultInitializePlatformSpecific(data, 1);
+}
+
 void VarArgFunctionDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kActualArgumentsCount
@@ -389,15 +473,17 @@ void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformIndependent(
 
 void BuiltinDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
-  MachineType machine_types[] = {MachineType::AnyTagged(),
-                                 MachineType::Int32()};
+  // kTarget, kNewTarget, kArgumentsCount
+  MachineType machine_types[] = {
+      MachineType::AnyTagged(), MachineType::AnyTagged(), MachineType::Int32()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 void BuiltinDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {NewTargetRegister(), ArgumentsCountRegister()};
+  Register registers[] = {TargetRegister(), NewTargetRegister(),
+                          ArgumentsCountRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
@@ -408,6 +494,10 @@ const Register BuiltinDescriptor::NewTargetRegister() {
   return kJavaScriptCallNewTargetRegister;
 }
 
+const Register BuiltinDescriptor::TargetRegister() {
+  return kJSFunctionRegister;
+}
+
 void ArrayNoArgumentConstructorDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kFunction, kAllocationSite, kActualArgumentsCount, kFunctionParameter