[pypy-svn] r35093 - pypy/branch/builtin-call-speedup/pypy/interpreter

[cfbolz at codespeak.net]

Author: cfbolz
Date: Tue Nov 28 18:44:19 2006
New Revision: 35093

Added:
   pypy/branch/builtin-call-speedup/pypy/interpreter/specialcode.py
Log:
slightly embarassing: of course this file is need to make anything actually
work


Added: pypy/branch/builtin-call-speedup/pypy/interpreter/specialcode.py
==============================================================================
--- (empty file)
+++ pypy/branch/builtin-call-speedup/pypy/interpreter/specialcode.py	Tue Nov 28 18:44:19 2006
@@ -0,0 +1,34 @@
+class CallLikelyBuiltinMixin(object):
+    _mixin_ = True
+
+    def CALL_LIKELY_BUILTIN(f, oparg):
+        from pypy.module.__builtin__ import OPTIMIZED_BUILTINS, Module
+        from pypy.objspace.std.warydictobject import W_WaryDictObject
+        w_globals = f.w_globals
+        num = oparg >> 8
+        if (isinstance(w_globals, W_WaryDictObject) and
+            not w_globals.shadowed[num]):
+            w_builtins = f.builtin
+            assert isinstance(w_builtins, Module)
+            print "fast CALL_LIKELY_BUILTIN"
+            w_value = w_builtins.builtins_by_index[num]
+        else:
+            w_varname = f.space.wrap(OPTIMIZED_BUILTINS[num])
+            w_value = f.space.finditem(f.w_globals, w_varname)
+            if w_value is None:
+                # not in the globals, now look in the built-ins
+                w_value = f.builtin.getdictvalue(f.space, w_varname)
+                if w_value is None:
+                    varname = f.getname_u(nameindex)
+                    message = "global name '%s' is not defined" % varname
+                    raise OperationError(f.space.w_NameError,
+                                         f.space.wrap(message))
+        nargs = oparg & 0xff
+        w_function = w_value
+        try:
+            w_result = f.space.call_valuestack(w_function, nargs, f.valuestack)
+            # XXX XXX fix the problem of resume points!
+            #rstack.resume_point("CALL_FUNCTION", f, nargs, returns=w_result)
+        finally:
+            f.valuestack.drop(nargs)
+        f.valuestack.push(w_result)