Stackless issue #133: reduce differences to C-Python

- Remove a byte-code specific optimization. The next merge from master
will switch to word-code.
- #define PY_LOCAL_AGGRESSIVE, it was undefined by accident in commit
1c7ff3e.

Author: Anselm Kruis

Python/ceval.c

@@ -7,7 +7,7 @@
    */
 
 /* enable more aggressive intra-module optimizations, where available */
-#undef PY_LOCAL_AGGRESSIVE
+#define PY_LOCAL_AGGRESSIVE
 
 #include "Python.h"
 
@@ -1048,18 +1048,6 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
 #endif
 
 
-#ifdef STACKLESS
-#ifdef STACKLESS_USE_ENDIAN
-
-#undef NEXTARG
-#define NEXTARG()    (next_instr += 2, ((unsigned short *)next_instr)[-1])
-#undef PREDICTED_WITH_ARG
-#define PREDICTED_WITH_ARG(op)    PRED_##op: next_instr += 3;  \
-                oparg = ((unsigned short *)next_instr)[-1]
-
-#endif
-#endif
-
 /* Stack manipulation macros */
 
 /* The stack can grow at most MAXINT deep, as co_nlocals and

Stackless/platf/switch_x86_msvc.h

@@ -39,9 +39,6 @@
 
 #define STACK_REFPLUS 1
 
-/* use faster oparg fetch */
-#define STACKLESS_USE_ENDIAN
-
 /* switching related stuff */
 #ifdef SLP_EVAL