add emplace

.github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
       run: |
         python amalgamate.py
         cd amalgamated
-        cl.exe /std:c++17 /EHsc /utf-8 /O2 /I. /DPK_ENABLE_OS=1 main.cpp /link /out:pkpy.exe
+        cl.exe /std:c++17 /EHsc /utf-8 /Ox /I. /DPK_ENABLE_OS=1 main.cpp /link /out:pkpy.exe
     - uses: actions/upload-artifact@v3
       with:
         path: amalgamated/pkpy.exe

CMakeLists.txt

@@ -6,7 +6,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 if(MSVC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /utf-8 /O2")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc /utf-8 /Ox /jumptablerdata /GS-")
 else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions -frtti -O2")
 

include/pocketpy/frame.h

@@ -59,6 +59,12 @@ struct ValueStack {
     void clear() { _sp = _begin; }
     bool is_overflow() const { return _sp >= _max_end; }
 
+    template<typename... Args>
+    void emplace(Args&&... args){
+        new(_sp) PyVar(std::forward<Args>(args)...);
+        ++_sp;
+    }
+
     PyVar operator[](int i) const { return _begin[i]; }
     PyVar& operator[](int i) { return _begin[i]; }
     

src/ceval.cpp

@@ -157,7 +157,9 @@ __NEXT_STEP:
     case OP_LOAD_TRUE:       PUSH(True); DISPATCH()
     case OP_LOAD_FALSE:      PUSH(False); DISPATCH()
     /*****************************************/
-    case OP_LOAD_SMALL_INT:  PUSH(VAR((int16_t)byte.arg)); DISPATCH()
+    case OP_LOAD_SMALL_INT:
+        s_data.emplace(tp_int, (i64)(int16_t)byte.arg);
+        DISPATCH()
     /*****************************************/
     case OP_LOAD_ELLIPSIS:   PUSH(Ellipsis); DISPATCH()
     case OP_LOAD_FUNCTION: {