def __init__(self, ir_arch, bs=None):
super(JitCore_Python, self).__init__(ir_arch, bs)
self.ir_arch = ir_arch
# CPU & VM (None for now) will be set later
expr_simp = ExpressionSimplifier()
expr_simp.enable_passes(ExpressionSimplifier.PASS_COMMONS)
self.symbexec = self.SymbExecClass(None, None, self.ir_arch, {},
sb_expr_simp=expr_simp)
self.symbexec.enable_emulated_simplifications()
def __init__(self, ir_arch, bs=None):
super(JitCore_Python, self).__init__(ir_arch, bs)
self.ir_arch = ir_arch
# CPU & VM (None for now) will be set later
expr_simp = ExpressionSimplifier()
expr_simp.enable_passes(ExpressionSimplifier.PASS_COMMONS)
self.symbexec = self.SymbExecClass(None, None, self.ir_arch, {},
sb_expr_simp=expr_simp)
self.symbexec.enable_emulated_simplifications()
(ExprOp_inf_unsigned(a, b) ^ (a ^ b).msb(), ExprOp_inf_signed(a, b)),
(ExprOp_inf_signed(a, b) ^ (a ^ b).msb(), ExprOp_inf_unsigned(a, b)),
(ExprOp_equal(ExprInt(12, 32), ExprInt(10, 32)), ExprInt(0, 1)),
(ExprOp_equal(ExprInt(12, 32), ExprInt(12, 32)), ExprInt(1, 1)),
(ExprOp_equal(ExprInt(12, 32), ExprInt(-12, 32)), ExprInt(0, 1)),
(ExprCond(a - b, ExprInt(0, 1), ExprInt(1, 1)), ExprOp_equal(a, b)),
(ExprCond(a + b, ExprInt(0, 1), ExprInt(1, 1)), ExprOp_equal(a, -b)),
(ExprOp_inf_signed(ExprInt(-2, 32), ExprInt(3, 32)), ExprInt(1, 1)),
(ExprOp_inf_signed(ExprInt(3, 32), ExprInt(-3, 32)), ExprInt(0, 1)),
(ExprOp_inf_signed(ExprInt(2, 32), ExprInt(3, 32)), ExprInt(1, 1)),
(ExprOp_inf_signed(ExprInt(-3, 32), ExprInt(-2, 32)), ExprInt(1, 1)),
(ExprOp_inf_signed(ExprInt(0, 32), ExprInt(2, 32)), ExprInt(1, 1)),
(ExprOp_inf_signed(ExprInt(-3, 32), ExprInt(0, 32)), ExprInt(1, 1)),
]
expr_simp_cond = ExpressionSimplifier()
expr_simp.enable_passes(ExpressionSimplifier.PASS_COND)
for e, e_check in to_test[:]:
#
print "#" * 80
e_check = expr_simp(e_check)
# print str(e), str(e_check)
e_new = expr_simp(e)
print "original: ", str(e), "new: ", str(e_new)
rez = e_new == e_check
if not rez:
raise ValueError(
'bug in expr_simp simp(%s) is %s and should be %s' % (e, e_new, e_check))