Author: Lars Wassermann <[email protected]>
Branch:
Changeset: r253:26ab2618ed58
Date: 2013-04-10 21:30 +0200
http://bitbucket.org/pypy/lang-smalltalk/changeset/26ab2618ed58/
Log: (cfbolz, lwassermann): refactored wrap_uint to enable inlining the
general case added hint to unwrap_array to enable unrolling for
common case of constant array
diff --git a/spyvm/objspace.py b/spyvm/objspace.py
--- a/spyvm/objspace.py
+++ b/spyvm/objspace.py
@@ -193,11 +193,14 @@
if bytes_len <= 4:
return self.wrap_positive_32bit_int(intmask(val))
else:
- w_result = model.W_BytesObject(self,
- self.classtable['w_LargePositiveInteger'], bytes_len)
- for i in range(bytes_len):
- w_result.setchar(i, chr(intmask((val >> i*8) & 255)))
- return w_result
+ return self._wrap_uint_loop(val, bytes_len)
+
+ def _wrap_uint_loop(self, val, bytes_len):
+ w_result = model.W_BytesObject(self,
+ self.classtable['w_LargePositiveInteger'], bytes_len)
+ for i in range(bytes_len):
+ w_result.setchar(i, chr(intmask((val >> i*8) & 255)))
+ return w_result
def wrap_positive_32bit_int(self, val):
# This will always return a positive value.
@@ -298,6 +301,8 @@
if not isinstance(w_v, model.W_PointersObject):
raise UnwrappingError()
return w_v
+
+ @jit.look_inside_iff(lambda self, w_array: jit.isconstant(w_array.size()))
def unwrap_array(self, w_array):
# Check that our argument has pointers format and the class:
if not w_array.getclass(self).is_same_object(self.w_Array):
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