[Interpreter] Add an unsigned immediate operand type

src/compiler/bytecode-graph-builder.cc

 // 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.
 
 #include "src/compiler/bytecode-graph-builder.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler/bytecode-branch-analysis.h"
@@ skipping 826 matching lines @@
 }
 
 void BytecodeGraphBuilder::VisitStaGlobalStrict() {
   BuildStoreGlobal(LanguageMode::STRICT);
 }
 
 Node* BytecodeGraphBuilder::BuildLoadContextSlot() {
   // TODO(mythria): immutable flag is also set to false. This information is not
   // available in bytecode array. update this code when the implementation
   // changes.
-  const Operator* op =
-      javascript()->LoadContext(bytecode_iterator().GetIndexOperand(2),
-                                bytecode_iterator().GetIndexOperand(1), false);
+  const Operator* op = javascript()->LoadContext(
+      bytecode_iterator().GetUnsignedImmediateOperand(2),
+      bytecode_iterator().GetIndexOperand(1), false);
   Node* context =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   return NewNode(op, context);
 }
 
 void BytecodeGraphBuilder::VisitLdaContextSlot() {
   Node* node = BuildLoadContextSlot();
   environment()->BindAccumulator(node);
 }
 
 void BytecodeGraphBuilder::VisitLdrContextSlot() {
   Node* node = BuildLoadContextSlot();
   environment()->BindRegister(bytecode_iterator().GetRegisterOperand(3), node);
 }
 
 void BytecodeGraphBuilder::VisitStaContextSlot() {
-  const Operator* op =
-      javascript()->StoreContext(bytecode_iterator().GetIndexOperand(2),
-                                 bytecode_iterator().GetIndexOperand(1));
+  const Operator* op = javascript()->StoreContext(
+      bytecode_iterator().GetUnsignedImmediateOperand(2),
+      bytecode_iterator().GetIndexOperand(1));
   Node* context =
       environment()->LookupRegister(bytecode_iterator().GetRegisterOperand(0));
   Node* value = environment()->LookupAccumulator();
   NewNode(op, context, value);
 }
 
 void BytecodeGraphBuilder::BuildLdaLookupSlot(TypeofMode typeof_mode) {
   FrameStateBeforeAndAfter states(this);
   Node* name =
       jsgraph()->Constant(bytecode_iterator().GetConstantForIndexOperand(0));
@@ skipping 157 matching lines @@
 void BytecodeGraphBuilder::VisitCreateBlockContext() {
   Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(
       bytecode_iterator().GetConstantForIndexOperand(0));
 
   const Operator* op = javascript()->CreateBlockContext(scope_info);
   Node* context = NewNode(op, environment()->LookupAccumulator());
   environment()->BindAccumulator(context);
 }
 
 void BytecodeGraphBuilder::VisitCreateFunctionContext() {
-  uint32_t slots = bytecode_iterator().GetIndexOperand(0);
+  uint32_t slots = bytecode_iterator().GetUnsignedImmediateOperand(0);
   const Operator* op = javascript()->CreateFunctionContext(slots);
   Node* context = NewNode(op, GetFunctionClosure());
   environment()->BindAccumulator(context);
 }
 
 void BytecodeGraphBuilder::VisitCreateCatchContext() {
   interpreter::Register reg = bytecode_iterator().GetRegisterOperand(0);
   Node* exception = environment()->LookupRegister(reg);
   Handle<String> name =
       Handle<String>::cast(bytecode_iterator().GetConstantForIndexOperand(1));
@@ skipping 1015 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8