def get_float_tests(cpu):
if not cpu.supports_floats:
py.test.skip("requires float support from the backend")
for opnum, args, rettype, retvalue in (
list(_float_binary_operations()) +
list(_float_comparison_operations()) +
list(_float_unary_operations())):
boxargs = []
for x in args:
if isinstance(x, float):
boxargs.append(boxfloat(x))
else:
boxargs.append(InputArgInt(x))
yield opnum, boxargs, rettype, retvalue
if len(args) > 1:
assert len(args) == 2
yield opnum, [boxargs[0],
wrap_constant(boxargs[1].getvalue())
], rettype, retvalue
yield opnum, [wrap_constant(boxargs[0].getvalue()),
boxargs[1]], rettype, retvalue
if (isinstance(args[0], float) and isinstance(args[1], float)
and args[0] == args[1]):
commonbox = boxfloat(args[0])
yield opnum, [commonbox, commonbox], rettype, retvalue
def do(self, opnum, argboxes, descr=None):
self.fakemetainterp._got_exc = None
op = ResOperation(opnum, argboxes, descr)
result = _execute_arglist(self.cpu, self.fakemetainterp,
opnum, argboxes, descr)
if result is not None:
c_result = wrap_constant(result)
op.copy_value_from(c_result)
self.loop.operations.append(op)
return op
def get_float_tests(cpu):
if not cpu.supports_floats:
py.test.skip("requires float support from the backend")
for opnum, args, rettype, retvalue in (
list(_float_binary_operations()) +
list(_float_comparison_operations()) +
list(_float_unary_operations())):
boxargs = []
for x in args:
if isinstance(x, float):
boxargs.append(boxfloat(x))
else:
boxargs.append(InputArgInt(x))
yield opnum, boxargs, rettype, retvalue
if len(args) > 1:
assert len(args) == 2
yield opnum, [boxargs[0], wrap_constant(boxargs[1].getvalue())], rettype, retvalue
yield opnum, [wrap_constant(boxargs[0].getvalue()), boxargs[1]], rettype, retvalue
if (isinstance(args[0], float) and
isinstance(args[1], float) and
args[0] == args[1]):
commonbox = boxfloat(args[0])
yield opnum, [commonbox, commonbox], rettype, retvalue
def do(self, opnum, argboxes, descr=None):
self.fakemetainterp._got_exc = None
op = ResOperation(opnum, argboxes, descr)
if opnum != rop.ZERO_PTR_FIELD:
result = _execute_arglist(self.cpu, self.fakemetainterp,
opnum, argboxes, descr)
if result is not None:
c_result = wrap_constant(result)
op.copy_value_from(c_result)
else:
import ctypes
addr = self.cpu.cast_gcref_to_int(argboxes[0].getref_base())
offset = argboxes[1].getint()
assert (offset % ctypes.sizeof(ctypes.c_long)) == 0
ptr = ctypes.cast(addr, ctypes.POINTER(ctypes.c_long))
ptr[offset / ctypes.sizeof(ctypes.c_long)] = 0
self.loop.operations.append(op)
return op