[wasm] Make LoadGlobal/StoreGlobal opcodes match what is coming in binary 0xC.

src/compiler/wasm-compiler.h

 // Copyright 2015 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_COMPILER_WASM_COMPILER_H_
 #define V8_COMPILER_WASM_COMPILER_H_
 
 #include <memory>
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
@@ skipping 158 matching lines @@
   Node* FromJS(Node* node, Node* context, wasm::LocalType type);
   Node* Invert(Node* node);
   Node* FunctionTable(uint32_t index);
   Node* ChangeToRuntimeCall(Node* node, Runtime::FunctionId function_id,
                             Signature<Conversion>* signature);
 
   //-----------------------------------------------------------------------
   // Operations that concern the linear memory.
   //-----------------------------------------------------------------------
   Node* MemSize(uint32_t offset);
-  Node* LoadGlobal(uint32_t index);
-  Node* StoreGlobal(uint32_t index, Node* val);
+  Node* GetGlobal(uint32_t index);
+  Node* SetGlobal(uint32_t index, Node* val);
   Node* LoadMem(wasm::LocalType type, MachineType memtype, Node* index,
                 uint32_t offset, uint32_t alignment,
                 wasm::WasmCodePosition position);
   Node* StoreMem(MachineType type, Node* index, uint32_t offset,
                  uint32_t alignment, Node* val,
                  wasm::WasmCodePosition position);
 
   static void PrintDebugName(Node* node);
 
   Node* Control() { return *control_; }
@@ skipping 163 matching lines @@
   }
 
   // Simd helper functions
   MachineOperatorBuilder* simd();
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_WASM_COMPILER_H_