[wasm] Binary 0xD: update encoding of opcodes, types, and add immediates.

src/wasm/wasm-interpreter.cc

 // Copyright 2016 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/wasm/wasm-interpreter.h"
 
 #include "src/utils.h"
 #include "src/wasm/ast-decoder.h"
 #include "src/wasm/decoder.h"
 #include "src/wasm/wasm-external-refs.h"
@@ skipping 1574 matching lines @@
     break;                                                                     \
   }
 
           ASMJS_STORE_CASE(I32AsmjsStoreMem8, int32_t, int8_t);
           ASMJS_STORE_CASE(I32AsmjsStoreMem16, int32_t, int16_t);
           ASMJS_STORE_CASE(I32AsmjsStoreMem, int32_t, int32_t);
           ASMJS_STORE_CASE(F32AsmjsStoreMem, float, float);
           ASMJS_STORE_CASE(F64AsmjsStoreMem, double, double);
 #undef ASMJS_STORE_CASE
         case kExprGrowMemory: {
+          MemoryIndexOperand operand(&decoder, code->at(pc));
           uint32_t delta_pages = Pop().to<uint32_t>();
           Push(pc, WasmVal(ExecuteGrowMemory(delta_pages, instance())));
+          len = 1 + operand.length;
           break;
         }
         case kExprMemorySize: {
+          MemoryIndexOperand operand(&decoder, code->at(pc));
           Push(pc, WasmVal(static_cast<uint32_t>(instance()->mem_size /
                                                  WasmModule::kPageSize)));
+          len = 1 + operand.length;
           break;
         }
 #define EXECUTE_SIMPLE_BINOP(name, ctype, op)             \
   case kExpr##name: {                                     \
     WasmVal rval = Pop();                                 \
     WasmVal lval = Pop();                                 \
     WasmVal result(lval.to<ctype>() op rval.to<ctype>()); \
     Push(pc, result);                                     \
     break;                                                \
   }
@@ skipping 269 matching lines @@
 
 ControlTransferMap WasmInterpreter::ComputeControlTransfersForTesting(
     Zone* zone, const byte* start, const byte* end) {
   ControlTransfers targets(zone, nullptr, nullptr, start, end);
   return targets.map_;
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8