[pypy-svn] r62191 - pypy/branch/pyjitpl5/pypy/jit/metainterp

[arigo at codespeak.net]

Author: arigo
Date: Thu Feb 26 16:18:30 2009
New Revision: 62191

Modified:
   pypy/branch/pyjitpl5/pypy/jit/metainterp/support.py
Log:
Add caching to avoid repeated construction of
the MixLevelHelperAnnotator.


Modified: pypy/branch/pyjitpl5/pypy/jit/metainterp/support.py
==============================================================================
--- pypy/branch/pyjitpl5/pypy/jit/metainterp/support.py	(original)
+++ pypy/branch/pyjitpl5/pypy/jit/metainterp/support.py	Thu Feb 26 16:18:30 2009
@@ -191,6 +191,11 @@
         raise ValueError(op.opname)
 
 def builtin_func_for_spec(rtyper, oopspec_name, ll_args, ll_res):
+    key = (oopspec_name, tuple(ll_args), ll_res)
+    try:
+        return rtyper._builtin_func_for_spec_cache[key]
+    except (KeyError, AttributeError):
+        pass
     args_s = [annmodel.lltype_to_annotation(v) for v in ll_args]
     if '.' not in oopspec_name:    # 'newxxx' operations
         LIST_OR_DICT = ll_res
@@ -206,4 +211,8 @@
     c_func = mixlevelann.constfunc(impl, args_s, s_result)
     mixlevelann.finish()
     #
+    if not hasattr(rtyper, '_builtin_func_for_spec_cache'):
+        rtyper._builtin_func_for_spec_cache = {}
+    rtyper._builtin_func_for_spec_cache[key] = (c_func, LIST_OR_DICT)
+    #
     return c_func, LIST_OR_DICT