deps: update V8 to 5.8.283.38

PR-URL: https://github.com/nodejs/node/pull/12784
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

1 files changed, 20 insertions, 7 deletions

diff --git a/deps/v8/src/compiler/instruction.h b/deps/v8/src/compiler/instruction.h
index d62ffc43bd..ee7865dec0 100644
--- a/deps/v8/src/compiler/instruction.h
+++ b/deps/v8/src/compiler/instruction.h
@@ -484,6 +484,9 @@ class LocationOperand : public InstructionOperand {
       case MachineRepresentation::kFloat32:
       case MachineRepresentation::kFloat64:
       case MachineRepresentation::kSimd128:
+      case MachineRepresentation::kSimd1x4:
+      case MachineRepresentation::kSimd1x8:
+      case MachineRepresentation::kSimd1x16:
       case MachineRepresentation::kTaggedSigned:
       case MachineRepresentation::kTaggedPointer:
       case MachineRepresentation::kTagged:
@@ -1122,6 +1125,7 @@ std::ostream& operator<<(std::ostream& os, const Constant& constant);
 class FrameStateDescriptor;
 
 enum class StateValueKind : uint8_t {
+  kArguments,
   kPlain,
   kOptimizedOut,
   kNested,
@@ -1135,6 +1139,10 @@ class StateValueDescriptor {
         type_(MachineType::AnyTagged()),
         id_(0) {}
 
+  static StateValueDescriptor Arguments() {
+    return StateValueDescriptor(StateValueKind::kArguments,
+                                MachineType::AnyTagged(), 0);
+  }
   static StateValueDescriptor Plain(MachineType type) {
     return StateValueDescriptor(StateValueKind::kPlain, type, 0);
   }
@@ -1151,10 +1159,11 @@ class StateValueDescriptor {
                                 MachineType::AnyTagged(), id);
   }
 
-  int IsPlain() { return kind_ == StateValueKind::kPlain; }
-  int IsOptimizedOut() { return kind_ == StateValueKind::kOptimizedOut; }
-  int IsNested() { return kind_ == StateValueKind::kNested; }
-  int IsDuplicate() { return kind_ == StateValueKind::kDuplicate; }
+  bool IsArguments() const { return kind_ == StateValueKind::kArguments; }
+  bool IsPlain() const { return kind_ == StateValueKind::kPlain; }
+  bool IsOptimizedOut() const { return kind_ == StateValueKind::kOptimizedOut; }
+  bool IsNested() const { return kind_ == StateValueKind::kNested; }
+  bool IsDuplicate() const { return kind_ == StateValueKind::kDuplicate; }
   MachineType type() const { return type_; }
   size_t id() const { return id_; }
 
@@ -1223,6 +1232,7 @@ class StateValueList {
     nested_.push_back(nested);
     return nested;
   }
+  void PushArguments() { fields_.push_back(StateValueDescriptor::Arguments()); }
   void PushDuplicate(size_t id) {
     fields_.push_back(StateValueDescriptor::Duplicate(id));
   }
@@ -1289,14 +1299,17 @@ class FrameStateDescriptor : public ZoneObject {
 class DeoptimizationEntry final {
  public:
   DeoptimizationEntry() {}
-  DeoptimizationEntry(FrameStateDescriptor* descriptor, DeoptimizeReason reason)
-      : descriptor_(descriptor), reason_(reason) {}
+  DeoptimizationEntry(FrameStateDescriptor* descriptor, DeoptimizeKind kind,
+                      DeoptimizeReason reason)
+      : descriptor_(descriptor), kind_(kind), reason_(reason) {}
 
   FrameStateDescriptor* descriptor() const { return descriptor_; }
+  DeoptimizeKind kind() const { return kind_; }
   DeoptimizeReason reason() const { return reason_; }
 
  private:
   FrameStateDescriptor* descriptor_ = nullptr;
+  DeoptimizeKind kind_ = DeoptimizeKind::kEager;
   DeoptimizeReason reason_ = DeoptimizeReason::kNoReason;
 };
 
@@ -1556,7 +1569,7 @@ class V8_EXPORT_PRIVATE InstructionSequence final
   }
 
   int AddDeoptimizationEntry(FrameStateDescriptor* descriptor,
-                             DeoptimizeReason reason);
+                             DeoptimizeKind kind, DeoptimizeReason reason);
   DeoptimizationEntry const& GetDeoptimizationEntry(int deoptimization_id);
   int GetDeoptimizationEntryCount() const {
     return static_cast<int>(deoptimization_entries_.size());