Author: ldiekmann
Branch: list-strategies
Changeset: r47508:8eff389e3bcd
Date: 2011-04-27 13:26 +0000
http://bitbucket.org/pypy/pypy/changeset/8eff389e3bcd/
Log: merged default into list-strategies
diff --git a/pypy/jit/metainterp/optimizeopt/intutils.py
b/pypy/jit/metainterp/optimizeopt/intutils.py
--- a/pypy/jit/metainterp/optimizeopt/intutils.py
+++ b/pypy/jit/metainterp/optimizeopt/intutils.py
@@ -1,4 +1,4 @@
-from pypy.rlib.rarithmetic import ovfcheck, ovfcheck_lshift
+from pypy.rlib.rarithmetic import ovfcheck, ovfcheck_lshift, LONG_BIT
class IntBound(object):
_attrs_ = ('has_upper', 'has_lower', 'upper', 'lower')
@@ -20,7 +20,7 @@
def make_lt(self, other):
return self.make_le(other.add(-1))
-
+
def make_ge(self, other):
if other.has_lower:
if not self.has_lower or other.lower > self.lower:
@@ -161,7 +161,8 @@
def lshift_bound(self, other):
if self.has_upper and self.has_lower and \
other.has_upper and other.has_lower and \
- other.known_ge(IntBound(0, 0)):
+ other.known_ge(IntBound(0, 0)) and \
+ other.known_lt(IntBound(LONG_BIT, LONG_BIT)):
try:
vals = (ovfcheck_lshift(self.upper, other.upper),
ovfcheck_lshift(self.upper, other.lower),
@@ -176,7 +177,8 @@
def rshift_bound(self, other):
if self.has_upper and self.has_lower and \
other.has_upper and other.has_lower and \
- other.known_ge(IntBound(0, 0)):
+ other.known_ge(IntBound(0, 0)) and \
+ other.known_lt(IntBound(LONG_BIT, LONG_BIT)):
vals = (self.upper >> other.upper,
self.upper >> other.lower,
self.lower >> other.upper,
diff --git a/pypy/jit/metainterp/test/test_intbound.py
b/pypy/jit/metainterp/test/test_intbound.py
--- a/pypy/jit/metainterp/test/test_intbound.py
+++ b/pypy/jit/metainterp/test/test_intbound.py
@@ -2,6 +2,7 @@
IntLowerBound, IntUnbounded
from copy import copy
import sys
+from pypy.rlib.rarithmetic import LONG_BIT
def bound(a,b):
if a is None and b is None:
@@ -229,6 +230,12 @@
assert not b10.lshift_bound(b100).has_upper
assert not bmax.lshift_bound(b10).has_upper
assert b10.lshift_bound(b10).has_upper
+
+ for b in (b10, b100, bmax, IntBound(0, 0)):
+ for shift_count_bound in (IntBound(7, LONG_BIT), IntBound(-7, 7)):
+ #assert not b.lshift_bound(shift_count_bound).has_upper
+ assert not b.rshift_bound(shift_count_bound).has_upper
+
def test_div_bound():
for _, _, b1 in some_bounds():
diff --git a/pypy/module/pypyjit/test_pypy_c/test_pypy_c_new.py
b/pypy/module/pypyjit/test_pypy_c/test_pypy_c_new.py
--- a/pypy/module/pypyjit/test_pypy_c/test_pypy_c_new.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_pypy_c_new.py
@@ -164,9 +164,7 @@
#
assert entry_bridge.match_by_id('call', """
p29 = getfield_gc(ConstPtr(ptr28), descr=<GcPtrFieldDescr
pypy.objspace.std.celldict.ModuleCell.inst_w_value .*>)
- guard_nonnull_class(p29, ConstClass(Function), descr=<Guard17>)
- i32 = getfield_gc(p0, descr=<BoolFieldDescr
pypy.interpreter.pyframe.PyFrame.inst_is_being_profiled .*>)
- guard_false(i32, descr=<Guard18>)
+ guard_nonnull_class(p29, ConstClass(Function), descr=<Guard18>)
p33 = getfield_gc(p29, descr=<GcPtrFieldDescr
pypy.interpreter.function.Function.inst_code .*>)
guard_value(p33, ConstPtr(ptr34), descr=<Guard19>)
p35 = getfield_gc(p29, descr=<GcPtrFieldDescr
pypy.interpreter.function.Function.inst_w_func_globals .*>)
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