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import py
from rpython.jit.backend.detect_cpu import getcpuclass
from rpython.jit.backend.test.runner_test import LLtypeBackendTest,\
boxfloat, constfloat
from rpython.jit.metainterp.history import BasicFailDescr, BasicFinalDescr
from rpython.jit.metainterp.resoperation import (ResOperation, rop,
InputArgInt)
from rpython.jit.tool.oparser import parse
from rpython.rtyper.lltypesystem import lltype, llmemory
from rpython.rtyper import rclass
from rpython.rtyper.annlowlevel import llhelper
from rpython.jit.codewriter.effectinfo import EffectInfo
from rpython.jit.metainterp.history import JitCellToken, TargetToken
from rpython.jit.backend.arm.detect import detect_arch_version
from rpython.jit.codewriter import longlong
CPU = getcpuclass()
class FakeStats(object):
pass
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
|
