def test_detect_arch_version():
# currently supported cases
for i in (6, 7, ):
filepath = write_cpuinfo(cpuinfo % i)
assert detect_arch_version(filepath) == i
# unsupported cases
assert detect_arch_version(write_cpuinfo(cpuinfo % 8)) == 7
py.test.raises(ValueError,
'detect_arch_version(write_cpuinfo(cpuinfo % 5))')
assert detect_arch_version(write_cpuinfo(cpuinfo2)) == 6
def test_detect_arch_version():
# currently supported cases
for i in (6, 7, ):
filepath = write_cpuinfo(cpuinfo % i)
assert detect_arch_version(filepath) == i
# unsupported cases
assert detect_arch_version(write_cpuinfo(cpuinfo % 8)) == 7
py.test.raises(ValueError,
'detect_arch_version(write_cpuinfo(cpuinfo % 5))')
assert detect_arch_version(write_cpuinfo(cpuinfo2)) == 6
def setup_once(self):
self.cpuinfo.arch_version = detect_arch_version()
self.cpuinfo.hf_abi = detect_hardfloat()
#self.codemap.setup()
self.assembler.setup_once()
class TestARM(LLtypeBackendTest):
# for the individual tests see
# ====> ../../test/runner_test.py
add_loop_instructions = 'ldr; adds; cmp; beq; b;'
arch_version = detect_arch_version()
if arch_version == 7:
bridge_loop_instructions = ('ldr; movw; nop; cmp; bge; '
'push; movw; movt; push; movw; movt; '
'blx; movw; movt; bx;')
else:
bridge_loop_instructions = (
'ldr; mov; nop; nop; nop; cmp; bge; '
'push; ldr; mov; '
'[^;]+; ' # inline constant
'push; ldr; mov; '
'[^;]+; ' # inline constant
'blx; ldr; mov; '
'[^;]+; ' # inline constant
'bx;')
def get_cpu(self):
cpu = CPU(rtyper=None, stats=FakeStats())
cpu.setup_once()
return cpu
def test_result_is_spilled(self):
cpu = self.cpu
inp = [InputArgInt(i) for i in range(1, 15)]
looptoken = JitCellToken()
targettoken = TargetToken()
operations = [
ResOperation(rop.LABEL, inp, descr=targettoken),
ResOperation(rop.INT_ADD, [inp[0], inp[1]]),
ResOperation(rop.INT_ADD, [inp[2], inp[3]]),
ResOperation(rop.INT_ADD, [inp[4], inp[5]]),
ResOperation(rop.INT_ADD, [inp[6], inp[7]]),
ResOperation(rop.INT_ADD, [inp[8], inp[9]]),
ResOperation(rop.INT_ADD, [inp[10], inp[11]]),
ResOperation(rop.INT_ADD, [inp[12], inp[13]]),
ResOperation(rop.INT_ADD, [inp[0], inp[1]]),
ResOperation(rop.INT_ADD, [inp[2], inp[3]]),
ResOperation(rop.INT_ADD, [inp[4], inp[5]]),
ResOperation(rop.INT_ADD, [inp[6], inp[7]]),
ResOperation(rop.INT_ADD, [inp[8], inp[9]]),
ResOperation(rop.INT_ADD, [inp[10], inp[11]]),
ResOperation(rop.INT_ADD, [inp[12], inp[13]]),
ResOperation(rop.GUARD_FALSE, [inp[1]], descr=BasicFailDescr(1)),
ResOperation(rop.FINISH, [inp[1]], descr=BasicFinalDescr(1)),
]
operations[-2].setfailargs(operations[1:15])
cpu.compile_loop(inp, operations, looptoken)
args = [i for i in range(1, 15)]
deadframe = self.cpu.execute_token(looptoken, *args)
output = [
self.cpu.get_int_value(deadframe, i - 1) for i in range(1, 15)
]
expected = [3, 7, 11, 15, 19, 23, 27, 3, 7, 11, 15, 19, 23, 27]
assert output == expected
def test_redirect_call_assembler2(self):
def assembler_helper(deadframe, virtualizable):
x = self.cpu.get_int_value(deadframe, 0)
assert x == 11
return 7
FUNCPTR = lltype.Ptr(
lltype.FuncType([llmemory.GCREF, llmemory.GCREF], lltype.Signed))
class FakeJitDriverSD:
index_of_virtualizable = -1
_assembler_helper_ptr = llhelper(FUNCPTR, assembler_helper)
assembler_helper_adr = llmemory.cast_ptr_to_adr(
_assembler_helper_ptr)
FakeJitDriverSD.portal_calldescr = self.cpu.calldescrof(
lltype.Ptr(lltype.FuncType([lltype.Signed], lltype.Signed)),
[lltype.Signed], lltype.Signed, EffectInfo.MOST_GENERAL)
lt1, lt2, lt3 = [JitCellToken() for x in range(3)]
lt2.outermost_jitdriver_sd = FakeJitDriverSD()
loop1 = parse('''
[i0]
i1 = call_assembler_i(i0, descr=lt2)
guard_not_forced()[]
finish(i1)
''',
namespace=locals())
loop2 = parse('''
[i0]
i1 = int_add(i0, 1)
finish(i1)
''')
loop3 = parse('''
[i0]
i1 = int_sub(i0, 1)
finish(i1)
''')
self.cpu.compile_loop(loop2.inputargs, loop2.operations, lt2)
self.cpu.compile_loop(loop3.inputargs, loop3.operations, lt3)
self.cpu.compile_loop(loop1.inputargs, loop1.operations, lt1)
df = self.cpu.execute_token(lt1, 10)
assert self.cpu.get_int_value(df, 0) == 7
self.cpu.redirect_call_assembler(lt2, lt3)
df = self.cpu.execute_token(lt1, 12)
assert self.cpu.get_int_value(df, 0) == 7
SFloat = lltype.GcForwardReference()
SFloat.become(
lltype.GcStruct('SFloat', ('parent', rclass.OBJECT),
('v1', lltype.Signed), ('v2', lltype.Signed),
('v3', lltype.Signed), ('v4', lltype.Signed),
('v5', lltype.Signed), ('v6', lltype.Signed),
('v7', lltype.Signed), ('v8', lltype.Signed),
('v9', lltype.Signed), ('v10', lltype.Signed),
('v11', lltype.Signed), ('v12', lltype.Signed),
('v13', lltype.Signed), ('v14', lltype.Signed),
('v15', lltype.Signed), ('v16', lltype.Signed),
('v17', lltype.Signed), ('v18', lltype.Signed),
('v19', lltype.Signed), ('v20', lltype.Signed),
('w1', lltype.Signed), ('w2', lltype.Signed),
('w3', lltype.Signed), ('w4', lltype.Signed),
('w5', lltype.Signed), ('w6', lltype.Signed),
('w7', lltype.Signed), ('w8', lltype.Signed),
('w9', lltype.Signed), ('w10', lltype.Signed),
('w11', lltype.Signed), ('w12', lltype.Signed),
('w13', lltype.Signed), ('w14', lltype.Signed),
('w15', lltype.Signed), ('w16', lltype.Signed),
('w17', lltype.Signed), ('w18', lltype.Signed),
('w19', lltype.Signed), ('w20', lltype.Signed),
('x1', lltype.Signed), ('x2', lltype.Signed),
('x3', lltype.Signed), ('x4', lltype.Signed),
('x5', lltype.Signed), ('x6', lltype.Signed),
('x7', lltype.Signed), ('x8', lltype.Signed),
('x9', lltype.Signed), ('x10', lltype.Signed),
('x11', lltype.Signed), ('x12', lltype.Signed),
('x13', lltype.Signed), ('x14', lltype.Signed),
('x15', lltype.Signed), ('x16', lltype.Signed),
('x17', lltype.Signed), ('x18', lltype.Signed),
('x19', lltype.Signed), ('x20', lltype.Signed),
('y1', lltype.Signed), ('y2', lltype.Signed),
('y3', lltype.Signed), ('y4', lltype.Signed),
('y5', lltype.Signed), ('y6', lltype.Signed),
('y7', lltype.Signed), ('y8', lltype.Signed),
('y9', lltype.Signed), ('y10', lltype.Signed),
('y11', lltype.Signed), ('y12', lltype.Signed),
('y13', lltype.Signed), ('y14', lltype.Signed),
('y15', lltype.Signed), ('y16', lltype.Signed),
('y17', lltype.Signed), ('y18', lltype.Signed),
('y19', lltype.Signed), ('y20', lltype.Signed),
('float', lltype.Float)))
TFloat = lltype.GcStruct('TFloat', ('parent', SFloat),
('next', lltype.Ptr(SFloat)))
def test_float_field(self):
if not self.cpu.supports_floats:
py.test.skip('requires floats')
t_box, T_box, _ = self.alloc_instance(self.TFloat)
floatdescr = self.cpu.fielddescrof(self.SFloat, 'float')
self.execute_operation(rop.SETFIELD_GC, [t_box, boxfloat(3.4)],
'void',
descr=floatdescr)
res = self.execute_operation(rop.GETFIELD_GC_F, [t_box],
'float',
descr=floatdescr)
assert longlong.getrealfloat(res) == 3.4
#
self.execute_operation(rop.SETFIELD_GC,
[t_box, constfloat(-3.6)],
'void',
descr=floatdescr)
res = self.execute_operation(rop.GETFIELD_GC_F, [t_box],
'float',
descr=floatdescr)
assert longlong.getrealfloat(res) == -3.6
def test_compile_loop_many_int_args(self):
for numargs in range(2, 30):
ops = []
arglist = "[%s]\n" % ", ".join(["i%d" % i for i in range(numargs)])
ops.append(arglist)
arg1 = 0
arg2 = 1
res = numargs
for i in range(numargs - 1):
op = "i%d = int_add(i%d, i%d)\n" % (res, arg1, arg2)
arg1 = res
res += 1
arg2 += 1
ops.append(op)
ops.append("finish(i%d)" % (res - 1))
ops = "".join(ops)
loop = parse(ops)
looptoken = JitCellToken()
self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
ARGS = [lltype.Signed] * numargs
RES = lltype.Signed
args = [i + 1 for i in range(numargs)]
deadframe = self.cpu.execute_token(looptoken, *args)
assert self.cpu.get_int_value(deadframe, 0) == sum(args)
def test_debugger_on(self):
py.test.skip("I don't care for now")
from rpython.rlib import debug
targettoken, preambletoken = TargetToken(), TargetToken()
loop = """
[i0]
label(i0, descr=preambletoken)
debug_merge_point('xyz', 0)
i1 = int_add(i0, 1)
i2 = int_ge(i1, 10)
guard_false(i2) []
label(i1, descr=targettoken)
debug_merge_point('xyz', 0)
i11 = int_add(i1, 1)
i12 = int_ge(i11, 10)
guard_false(i12) []
jump(i11, descr=targettoken)
"""
ops = parse(loop,
namespace={
'targettoken': targettoken,
'preambletoken': preambletoken
})
debug._log = dlog = debug.DebugLog()
try:
self.cpu.assembler.set_debug(True)
looptoken = JitCellToken()
self.cpu.compile_loop(ops.inputargs, ops.operations, looptoken)
self.cpu.execute_token(looptoken, 0)
# check debugging info
struct = self.cpu.assembler.loop_run_counters[0]
assert struct.i == 1
struct = self.cpu.assembler.loop_run_counters[1]
assert struct.i == 1
struct = self.cpu.assembler.loop_run_counters[2]
assert struct.i == 9
self.cpu.finish_once()
finally:
debug._log = None
l0 = ('debug_print', 'entry -1:1')
l1 = ('debug_print', preambletoken.repr_of_descr() + ':1')
l2 = ('debug_print', targettoken.repr_of_descr() + ':9')
assert ('jit-backend-counts', [l0, l1, l2]) in dlog
def test_label_float_in_reg_and_on_stack(self):
targettoken = TargetToken()
ops = """
[i0, f3]
i2 = same_as_i(i0) # but forced to be in a register
force_spill(i2)
force_spill(f3)
f4 = float_add(f3, 5.0)
label(f3, f4, descr=targettoken)
force_spill(f3)
f5 = same_as_f(f3) # but forced to be in a register
finish(f5)
"""
faildescr = BasicFailDescr(2)
loop = parse(ops, self.cpu, namespace=locals())
looptoken = JitCellToken()
info = self.cpu.compile_loop(loop.inputargs, loop.operations,
looptoken)
ops2 = """
[i0, f1]
i1 = same_as_i(i0)
f2 = same_as_f(f1)
f3 = float_add(f1, 10.0)
force_spill(f3)
force_spill(i1)
f4 = float_add(f3, f1)
jump(f3, f4, descr=targettoken)
"""
loop2 = parse(ops2, self.cpu, namespace=locals())
looptoken2 = JitCellToken()
info = self.cpu.compile_loop(loop2.inputargs, loop2.operations,
looptoken2)
deadframe = self.cpu.execute_token(looptoken, -9,
longlong.getfloatstorage(-13.5))
res = longlong.getrealfloat(self.cpu.get_float_value(deadframe, 0))
assert res == -13.5
#
deadframe = self.cpu.execute_token(looptoken2, -9,
longlong.getfloatstorage(-13.5))
res = longlong.getrealfloat(self.cpu.get_float_value(deadframe, 0))
assert res == -3.5
def setup_once(self):
self.cpuinfo.arch_version = detect_arch_version()
self.cpuinfo.hf_abi = detect_hardfloat()
self.cpuinfo.neon = detect_neon()
#self.codemap.setup()
self.assembler.setup_once()
