示例#1
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 def produce_into(self, builder, r):
     if r.random() < 0.4:
         UnaryOperation.produce_into(self, builder, r)
     elif r.random() < 0.75 or not builder.cpu.supports_floats:
         self.put(builder, [ConstInt(r.random_integer())])
     else:
         self.put(builder, [ConstFloat(r.random_float())])
示例#2
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def test_ResumeDataLoopMemo_other():
    memo = ResumeDataLoopMemo(FakeMetaInterpStaticData())
    const = ConstFloat(-1.0)
    tagged = memo.getconst(const)
    index, tagbits = untag(tagged)
    assert tagbits == TAGCONST
    assert memo.consts[index] is const
示例#3
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def test_make_jitdriver_callbacks_2():
    def can_inline(x, y):
        assert x == 5
        assert y == 42.5
        return False

    CAN_INLINE = lltype.Ptr(
        lltype.FuncType([lltype.Signed, lltype.Float], lltype.Bool))

    class FakeCell:
        dont_trace_here = False

    class FakeWarmRunnerDesc:
        rtyper = None
        green_args_spec = [lltype.Signed, lltype.Float]
        can_inline_ptr = llhelper(CAN_INLINE, can_inline)
        get_printable_location_ptr = None
        confirm_enter_jit_ptr = None

    state = WarmEnterState(FakeWarmRunnerDesc())

    def jit_getter(*args):
        return FakeCell()

    state.jit_getter = jit_getter
    state.make_jitdriver_callbacks()
    res = state.can_inline_callable([ConstInt(5), ConstFloat(42.5)])
    assert res is False
示例#4
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 def getvar(self, arg):
     if not arg:
         return ConstInt(0)
     try:
         return ConstInt(int(arg))
     except ValueError:
         if self.is_float(arg):
             return ConstFloat(float(arg))
         if arg.startswith('"') or arg.startswith("'"):
             # XXX ootype
             info = arg.strip("'\"")
             return ConstPtr(
                 lltype.cast_opaque_ptr(llmemory.GCREF, llstr(info)))
         if arg.startswith('ConstClass('):
             name = arg[len('ConstClass('):-1]
             return self.get_const(name, 'class')
         elif arg == 'None':
             return None
         elif arg == 'NULL':
             if self.type_system == 'lltype':
                 return ConstPtr(ConstPtr.value)
             else:
                 return ConstObj(ConstObj.value)
         elif arg.startswith('ConstPtr('):
             name = arg[len('ConstPtr('):-1]
             return self.get_const(name, 'ptr')
         return self.vars[arg]
示例#5
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def test_ResumeDataLoopMemo_other():
    memo = ResumeDataLoopMemo(LLtypeMixin.cpu)
    const = ConstFloat(-1.0)
    tagged = memo.getconst(const)
    index, tagbits = untag(tagged)
    assert tagbits == TAGCONST
    assert memo.consts[index] is const
示例#6
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 def callback(asm):
     c = ConstFloat(longlong.getfloatstorage(-42.5))
     loc = self.xrm.convert_to_imm(c)
     asm.mov(loc, xmm5)
     asm.regalloc_push(xmm5)
     asm.regalloc_pop(xmm0)
     asm.mc.CVTTSD2SI(eax, xmm0)
示例#7
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 def produce_into(self, builder, r):
     if not builder.floatvars:
         raise CannotProduceOperation
     k = r.random()
     if k < 0.18:
         v_first = ConstFloat(r.random_float())
     else:
         v_first = r.choice(builder.floatvars)
     if k > 0.82:
         v_second = ConstFloat(r.random_float())
     else:
         v_second = r.choice(builder.floatvars)
     if abs(v_first.value) > 1E100 or abs(v_second.value) > 1E100:
         raise CannotProduceOperation  # avoid infinities
     if abs(v_second.value) < 1E-100:
         raise CannotProduceOperation  # e.g. division by zero error
     self.put(builder, [v_first, v_second])
示例#8
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 def produce_into(self, builder, r):
     if not builder.floatvars:
         raise CannotProduceOperation
     k = r.random()
     if k < 0.18:
         v_first = ConstFloat(r.random_float_storage())
     else:
         v_first = r.choice(builder.floatvars)
     if k > 0.82:
         v_second = ConstFloat(r.random_float_storage())
     else:
         v_second = r.choice(builder.floatvars)
     if abs(v_first.getfloat()) > 1e100 or abs(v_second.getfloat()) > 1e100:
         raise CannotProduceOperation  # avoid infinities
     if abs(v_second.getfloat()) < 1e-100:
         raise CannotProduceOperation  # e.g. division by zero error
     self.put(builder, [v_first, v_second])
示例#9
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def test_make_unwrap_greenkey():
    class FakeWarmRunnerDesc:
        green_args_spec = [lltype.Signed, lltype.Float]

    state = WarmEnterState(FakeWarmRunnerDesc())
    unwrap_greenkey = state.make_unwrap_greenkey()
    greenargs = unwrap_greenkey([ConstInt(42), ConstFloat(42.5)])
    assert greenargs == (42, 42.5)
    assert type(greenargs[0]) is int
示例#10
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 def callback(asm):
     c = ConstFloat(longlong.getfloatstorage(-42.5))
     loc = self.xrm.convert_to_imm(c)
     loc2 = self.fm.frame_pos(4, FLOAT)
     asm.mc.SUB_ri(esp.value, 64)
     asm.mov(loc, xmm5)
     asm.regalloc_push(xmm5)
     asm.regalloc_pop(loc2)
     asm.mov(loc2, xmm0)
     asm.mc.ADD_ri(esp.value, 64)
     asm.mc.CVTTSD2SI(eax, xmm0)
示例#11
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def test_wrap():
    def _is(box1, box2):
        return (box1.__class__ == box2.__class__ and box1.value == box2.value)

    p = lltype.malloc(lltype.GcStruct('S'))
    po = lltype.cast_opaque_ptr(llmemory.GCREF, p)
    assert _is(wrap(None, 42), BoxInt(42))
    assert _is(wrap(None, 42.5), BoxFloat(42.5))
    assert _is(wrap(None, p), BoxPtr(po))
    assert _is(wrap(None, 42, in_const_box=True), ConstInt(42))
    assert _is(wrap(None, 42.5, in_const_box=True), ConstFloat(42.5))
    assert _is(wrap(None, p, in_const_box=True), ConstPtr(po))
示例#12
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def test_make_jitdriver_callbacks_1():
    class FakeWarmRunnerDesc:
        can_inline_ptr = None
        get_printable_location_ptr = None
        confirm_enter_jit_ptr = None
        green_args_spec = [lltype.Signed, lltype.Float]

    class FakeCell:
        dont_trace_here = False

    state = WarmEnterState(FakeWarmRunnerDesc())

    def jit_getter(*args):
        return FakeCell()

    state.jit_getter = jit_getter
    state.make_jitdriver_callbacks()
    res = state.can_inline_callable([ConstInt(5), ConstFloat(42.5)])
    assert res is True
    res = state.get_location_str([ConstInt(5), ConstFloat(42.5)])
    assert res == '(no jitdriver.get_printable_location!)'
示例#13
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def test_attach_unoptimized_bridge_from_interp():
    class FakeWarmRunnerDesc:
        green_args_spec = [lltype.Signed, lltype.Float]
        get_jitcell_at_ptr = None

    state = WarmEnterState(FakeWarmRunnerDesc())
    get_jitcell = state.make_jitcell_getter()
    state.attach_unoptimized_bridge_from_interp(
        [ConstInt(5), ConstFloat(2.25)], "entry loop token")
    cell1 = get_jitcell(5, 2.25)
    assert cell1.counter < 0
    assert cell1.entry_loop_token == "entry loop token"
示例#14
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def test_make_jitdriver_callbacks_3():
    def get_location(x, y):
        assert x == 5
        assert y == 42.5
        return "hi there"  # abuse the return type, but nobody checks it

    GET_LOCATION = lltype.Ptr(
        lltype.FuncType([lltype.Signed, lltype.Float], lltype.Ptr(rstr.STR)))

    class FakeWarmRunnerDesc:
        rtyper = None
        green_args_spec = [lltype.Signed, lltype.Float]
        can_inline_ptr = None
        get_printable_location_ptr = llhelper(GET_LOCATION, get_location)
        confirm_enter_jit_ptr = None
        get_jitcell_at_ptr = None

    state = WarmEnterState(FakeWarmRunnerDesc())
    state.make_jitdriver_callbacks()
    res = state.get_location_str([ConstInt(5), ConstFloat(42.5)])
    assert res == "hi there"
示例#15
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def test_wrap():
    def _is(box1, box2):
        return (box1.__class__ == box2.__class__ and box1.value == box2.value)

    p = lltype.malloc(lltype.GcStruct('S'))
    po = lltype.cast_opaque_ptr(llmemory.GCREF, p)
    assert _is(wrap(None, 42), BoxInt(42))
    assert _is(wrap(None, 42.5), boxfloat(42.5))
    assert _is(wrap(None, p), BoxPtr(po))
    assert _is(wrap(None, 42, in_const_box=True), ConstInt(42))
    assert _is(wrap(None, 42.5, in_const_box=True), constfloat(42.5))
    assert _is(wrap(None, p, in_const_box=True), ConstPtr(po))
    if longlong.supports_longlong:
        import sys
        from pypy.rlib.rarithmetic import r_longlong, r_ulonglong
        value = r_longlong(-sys.maxint * 17)
        assert _is(wrap(None, value), BoxFloat(value))
        assert _is(wrap(None, value, in_const_box=True), ConstFloat(value))
        value_unsigned = r_ulonglong(-sys.maxint * 17)
        assert _is(wrap(None, value_unsigned), BoxFloat(value))
    sfval = r_singlefloat(42.5)
    ival = longlong.singlefloat2int(sfval)
    assert _is(wrap(None, sfval), BoxInt(ival))
    assert _is(wrap(None, sfval, in_const_box=True), ConstInt(ival))
示例#16
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        # Even if it is a VirtualValue, the 'box' can be non-None,
        # meaning it has been forced.
        return self.box is None


class ConstantValue(OptValue):
    level = LEVEL_CONSTANT

    def __init__(self, box):
        self.box = box


CONST_0 = ConstInt(0)
CONST_1 = ConstInt(1)
CVAL_ZERO = ConstantValue(CONST_0)
CVAL_ZERO_FLOAT = ConstantValue(ConstFloat(0.0))
llhelper.CVAL_NULLREF = ConstantValue(llhelper.CONST_NULL)
oohelper.CVAL_NULLREF = ConstantValue(oohelper.CONST_NULL)


class AbstractVirtualValue(OptValue):
    _attrs_ = ('optimizer', 'keybox', 'source_op', '_cached_vinfo')
    box = None
    level = LEVEL_NONNULL
    _cached_vinfo = None

    def __init__(self, optimizer, keybox, source_op=None):
        self.optimizer = optimizer
        self.keybox = keybox  # only used as a key in dictionaries
        self.source_op = source_op  # the NEW_WITH_VTABLE/NEW_ARRAY operation
        # that builds this box
示例#17
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    def build_bridge(self):
        def exc_handling(guard_op):
            # operations need to start with correct GUARD_EXCEPTION
            if guard_op._exc_box is None:
                op = ResOperation(rop.GUARD_NO_EXCEPTION, [], None)
            else:
                op = ResOperation(rop.GUARD_EXCEPTION, [guard_op._exc_box],
                                  BoxPtr())
            op.setdescr(BasicFailDescr())
            op.setfailargs([])
            return op

        if self.dont_generate_more:
            return False
        r = self.r
        guard_op = self.guard_op
        fail_args = guard_op.getfailargs()
        fail_descr = guard_op.getdescr()
        op = self.should_fail_by
        if not op.getfailargs():
            return False
        # generate the branch: a sequence of operations that ends in a FINISH
        subloop = DummyLoop([])
        if guard_op.is_guard_exception():
            subloop.operations.append(exc_handling(guard_op))
        bridge_builder = self.builder.fork(self.builder.cpu, subloop,
                                           op.getfailargs()[:])
        self.generate_ops(bridge_builder, r, subloop, op.getfailargs()[:])
        # note that 'self.guard_op' now points to the guard that will fail in
        # this new bridge, while 'guard_op' still points to the guard that
        # has just failed.

        if r.random() < 0.1 and self.guard_op is None:
            # Occasionally, instead of ending in a FINISH, we end in a jump
            # to another loop.  We don't do it, however, if the new bridge's
            # execution will hit 'self.guard_op', but only if it executes
            # to the FINISH normally.  (There is no point to the extra
            # complexity, as we might get the same effect by two calls
            # to build_bridge().)

            # First make up the other loop...
            #
            # New restriction: must have the same argument count and types
            # as the original loop
            subset = []
            for box in self.loop.inputargs:
                srcbox = r.choice(fail_args)
                if srcbox.type != box.type:
                    if box.type == INT:
                        srcbox = ConstInt(r.random_integer())
                    elif box.type == FLOAT:
                        srcbox = ConstFloat(r.random_float_storage())
                    else:
                        raise AssertionError(box.type)
                subset.append(srcbox)
            #
            args = [x.clonebox() for x in subset]
            rl = RandomLoop(self.builder.cpu, self.builder.fork, r, args)
            dump(rl.loop)
            self.cpu.compile_loop(rl.loop.inputargs, rl.loop.operations,
                                  rl.loop._jitcelltoken)
            # done
            self.should_fail_by = rl.should_fail_by
            self.expected = rl.expected
            assert len(rl.loop.inputargs) == len(args)
            # The new bridge's execution will end normally at its FINISH.
            # Just replace the FINISH with the JUMP to the new loop.
            jump_op = ResOperation(rop.JUMP,
                                   subset,
                                   None,
                                   descr=rl.loop._targettoken)
            subloop.operations[-1] = jump_op
            self.guard_op = rl.guard_op
            self.prebuilt_ptr_consts += rl.prebuilt_ptr_consts
            self.loop._jitcelltoken.record_jump_to(rl.loop._jitcelltoken)
            self.dont_generate_more = True
        if r.random() < .05:
            return False
        dump(subloop)
        self.builder.cpu.compile_bridge(fail_descr, fail_args,
                                        subloop.operations,
                                        self.loop._jitcelltoken)
        return True
示例#18
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def constfloat(x):
    return ConstFloat(longlong.getfloatstorage(x))
示例#19
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def do_cast_int_to_float(cpu, box1):
    return ConstFloat(float(box1.getint()))
示例#20
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def do_float_truediv(cpu, box1, box2):
    return ConstFloat(box1.getfloat() / box2.getfloat())
示例#21
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def do_float_mul(cpu, box1, box2):
    return ConstFloat(box1.getfloat() * box2.getfloat())
示例#22
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def do_float_sub(cpu, box1, box2):
    return ConstFloat(box1.getfloat() - box2.getfloat())
示例#23
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def do_float_add(cpu, box1, box2):
    return ConstFloat(box1.getfloat() + box2.getfloat())
示例#24
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def do_float_abs(cpu, box1):
    return ConstFloat(abs(box1.getfloat()))
示例#25
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def do_float_neg(cpu, box1):
    return ConstFloat(-box1.getfloat())