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

src/wasm/wasm-interpreter.cc

Index: src/wasm/wasm-interpreter.cc
diff --git a/src/wasm/wasm-interpreter.cc b/src/wasm/wasm-interpreter.cc
index f80e5947acca7c41fcb0473fcca748971ad77fc6..ed6b87059185bd5bfdc82c9a44766a97ef852ec7 100644
--- a/src/wasm/wasm-interpreter.cc
+++ b/src/wasm/wasm-interpreter.cc
@@ -1592,13 +1592,17 @@ class ThreadImpl : public WasmInterpreter::Thread {
           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)             \