Remove support for "loads and stores to global vars through property cell shortcuts inst…

src/crankshaft/arm64/lithium-arm64.h

 // Copyright 2013 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.
 
 #ifndef V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 #define V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/crankshaft/lithium-allocator.h"
@@ skipping 84 matching lines @@
   V(IsConstructCallAndBranch)                \
   V(IsSmiAndBranch)                          \
   V(IsStringAndBranch)                       \
   V(IsUndetectableAndBranch)                 \
   V(Label)                                   \
   V(LazyBailout)                             \
   V(LoadContextSlot)                         \
   V(LoadFieldByIndex)                        \
   V(LoadFunctionPrototype)                   \
   V(LoadGlobalGeneric)                       \
-  V(LoadGlobalViaContext)                    \
   V(LoadKeyedExternal)                       \
   V(LoadKeyedFixed)                          \
   V(LoadKeyedFixedDouble)                    \
   V(LoadKeyedGeneric)                        \
   V(LoadNamedField)                          \
   V(LoadNamedGeneric)                        \
   V(LoadRoot)                                \
   V(MapEnumLength)                           \
   V(MathAbs)                                 \
   V(MathAbsTagged)                           \
@@ skipping 29 matching lines @@
   V(SeqStringGetChar)                        \
   V(SeqStringSetChar)                        \
   V(ShiftI)                                  \
   V(ShiftS)                                  \
   V(SmiTag)                                  \
   V(SmiUntag)                                \
   V(StackCheck)                              \
   V(StoreCodeEntry)                          \
   V(StoreContextSlot)                        \
   V(StoreFrameContext)                       \
-  V(StoreGlobalViaContext)                   \
   V(StoreKeyedExternal)                      \
   V(StoreKeyedFixed)                         \
   V(StoreKeyedFixedDouble)                   \
   V(StoreKeyedGeneric)                       \
   V(StoreNamedField)                         \
   V(StoreNamedGeneric)                       \
   V(StringAdd)                               \
   V(StringCharCodeAt)                        \
   V(StringCharFromCode)                      \
   V(StringCompareAndBranch)                  \
@@ skipping 1477 matching lines @@
   LOperand* temp() { return temps_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
                                "is-undetectable-and-branch")
   DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
 
   void PrintDataTo(StringStream* stream) override;
 };
 
 
-class LLoadGlobalViaContext final : public LTemplateInstruction<1, 1, 1> {
- public:
-  explicit LLoadGlobalViaContext(LOperand* context) { inputs_[0] = context; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalViaContext, "load-global-via-context")
-  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalViaContext)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  LOperand* context() { return inputs_[0]; }
-
-  int depth() const { return hydrogen()->depth(); }
-  int slot_index() const { return hydrogen()->slot_index(); }
-};
-
-
 class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LLoadContextSlot(LOperand* context) {
     inputs_[0] = context;
   }
 
   LOperand* context() { return inputs_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
   DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
@@ skipping 749 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
   DECLARE_HYDROGEN_ACCESSOR(StackCheck)
 
   Label* done_label() { return &done_label_; }
 
  private:
   Label done_label_;
 };
 
 
-class LStoreGlobalViaContext final : public LTemplateInstruction<0, 2, 0> {
- public:
-  LStoreGlobalViaContext(LOperand* context, LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalViaContext,
-                               "store-global-via-context")
-  DECLARE_HYDROGEN_ACCESSOR(StoreGlobalViaContext)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int depth() { return hydrogen()->depth(); }
-  int slot_index() { return hydrogen()->slot_index(); }
-  LanguageMode language_mode() { return hydrogen()->language_mode(); }
-};
-
-
 template<int T>
 class LStoreKeyed : public LTemplateInstruction<0, 3, T> {
  public:
   LStoreKeyed(LOperand* elements, LOperand* key, LOperand* value) {
     this->inputs_[0] = elements;
     this->inputs_[1] = key;
     this->inputs_[2] = value;
   }
 
   bool is_external() const { return this->hydrogen()->is_external(); }
@@ skipping 781 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_