Author: Richard Plangger <planri...@gmail.com>
Branch: vecopt-merge
Changeset: r79896:fde3bd5b3b48
Date: 2015-09-29 16:07 +0200
http://bitbucket.org/pypy/pypy/changeset/fde3bd5b3b48/

Log:    merged default

diff too long, truncating to 2000 out of 6994 lines

diff --git a/pypy/config/pypyoption.py b/pypy/config/pypyoption.py
--- a/pypy/config/pypyoption.py
+++ b/pypy/config/pypyoption.py
@@ -92,6 +92,8 @@
 if sys.platform == "win32":
     module_suggests["cpyext"].append(("translation.shared", True))
 
+
+# NOTE: this dictionary is not used any more
 module_import_dependencies = {
     # no _rawffi if importing rpython.rlib.clibffi raises ImportError
     # or CompilationError or py.test.skip.Exception
@@ -108,6 +110,7 @@
     }
 
 def get_module_validator(modname):
+    # NOTE: this function is not used any more
     if modname in module_import_dependencies:
         modlist = module_import_dependencies[modname]
         def validator(config):
diff --git a/pypy/doc/extending.rst b/pypy/doc/extending.rst
--- a/pypy/doc/extending.rst
+++ b/pypy/doc/extending.rst
@@ -5,8 +5,8 @@
 with any external library.
 
 Right now, there are the following possibilities of providing
-third-party modules for the PyPy python interpreter (in order of
-usefulness):
+third-party modules for the PyPy python interpreter (in order, from most
+directly useful to most messy to use with PyPy):
 
 * Write them in pure Python and use CFFI_.
 
diff --git a/pypy/doc/faq.rst b/pypy/doc/faq.rst
--- a/pypy/doc/faq.rst
+++ b/pypy/doc/faq.rst
@@ -67,7 +67,7 @@
 The other commands of ``setup.py`` are available too, like ``build``.
 
 .. _PyPI: https://pypi.python.org/pypi
-.. _`use virtualenv (as documented here)`: 
getting-started.html#installing-using-virtualenv
+.. _`use virtualenv (as documented here)`: 
install.html#installing-using-virtualenv
 
 
 Module xyz does not work in the sandboxed PyPy?
diff --git a/pypy/doc/jit-hooks.rst b/pypy/doc/jit-hooks.rst
--- a/pypy/doc/jit-hooks.rst
+++ b/pypy/doc/jit-hooks.rst
@@ -5,19 +5,8 @@
 understanding what's pypy's JIT doing while running your program. There
 are three functions related to that coming from the ``pypyjit`` module:
 
-.. function:: set_optimize_hook(callable)
 
-    Set a compiling hook that will be called each time a loop is optimized,
-    but before assembler compilation. This allows adding additional
-    optimizations on Python level.
-
-    The callable will be called with the ``pypyjit.JitLoopInfo`` object.
-    Refer to it's documentation for details.
-
-    Result value will be the resulting list of operations, or None
-
-
-.. function:: set_compile_hook(callable)
+.. function:: set_compile_hook(callable, operations=True)
 
     Set a compiling hook that will be called each time a loop is compiled.
 
@@ -28,6 +17,9 @@
     inside the jit hook is itself jitted, it will get compiled, but the
     jit hook won't be called for that.
 
+    if operations=False, no list of operations will be available. Useful
+    if the hook is supposed to be very lighweight.
+
 .. function:: set_abort_hook(hook)
 
     Set a hook (callable) that will be called each time there is tracing
@@ -66,3 +58,25 @@
 
     * ``loop_run_times`` - counters for number of times loops are run, only
       works when ``enable_debug`` is called.
+
+.. class:: JitLoopInfo
+
+   A class containing information about the compiled loop. Usable attributes:
+
+   * ``operations`` - list of operations, if requested
+
+   * ``jitdriver_name`` - the name of jitdriver associated with this loop
+
+   * ``greenkey`` - a key at which the loop got compiled (e.g. code position,
+     is_being_profiled, pycode tuple for python jitdriver)
+
+   * ``loop_no`` - loop cardinal number
+
+   * ``bridge_no`` - id of the fail descr
+
+   * ``type`` - "entry bridge", "loop" or "bridge"
+
+   * ``asmaddr`` - an address in raw memory where assembler resides
+
+   * ``asmlen`` - length of raw memory with assembler associated
+
diff --git a/pypy/doc/whatsnew-head.rst b/pypy/doc/whatsnew-head.rst
--- a/pypy/doc/whatsnew-head.rst
+++ b/pypy/doc/whatsnew-head.rst
@@ -22,6 +22,28 @@
 .. branch: missing_openssl_include
 Fix for missing headers in OpenBSD, already applied in downstream ports
 
+.. branch: gc-more-incremental
+Remove a source of non-incremental-ness in the GC: now
+external_malloc() no longer runs gc_step_until() any more. If there
+is a currently-running major collection, we do only so many steps
+before returning. This number of steps depends on the size of the
+allocated object. It is controlled by tracking the general progress
+of these major collection steps and the size of old objects that
+keep adding up between them.
+
+.. branch: remember-tracing-counts
+Reenable jithooks
+
+.. branch: detect_egd2
+
+.. branch: shadowstack-no-move-2
+Issue #2141: fix a crash on Windows and OS/X and ARM when running
+at least 20 threads.
+
+.. branch: numpy-ctypes
+
+Add support for ndarray.ctypes property.
+
 .. branch: vecopt
 .. branch: vecopt-merge
 
diff --git a/pypy/goal/targetpypystandalone.py 
b/pypy/goal/targetpypystandalone.py
--- a/pypy/goal/targetpypystandalone.py
+++ b/pypy/goal/targetpypystandalone.py
@@ -341,8 +341,8 @@
 
     def jitpolicy(self, driver):
         from pypy.module.pypyjit.policy import PyPyJitPolicy
-        #from pypy.module.pypyjit.hooks import pypy_hooks
-        return PyPyJitPolicy()#pypy_hooks)
+        from pypy.module.pypyjit.hooks import pypy_hooks
+        return PyPyJitPolicy(pypy_hooks)
 
     def get_entry_point(self, config):
         from pypy.tool.lib_pypy import import_from_lib_pypy
diff --git a/pypy/module/__builtin__/app_functional.py 
b/pypy/module/__builtin__/app_functional.py
--- a/pypy/module/__builtin__/app_functional.py
+++ b/pypy/module/__builtin__/app_functional.py
@@ -5,6 +5,7 @@
 from __future__ import with_statement
 import operator
 from __pypy__ import resizelist_hint, newlist_hint
+from __pypy__ import specialized_zip_2_lists
 
 # ____________________________________________________________
 
@@ -217,11 +218,16 @@
 in length to the length of the shortest argument sequence."""
     l = len(sequences)
     if l == 2:
+        # A very fast path if the two sequences are lists
+        seq0 = sequences[0]
+        seq1 = sequences[1]
+        try:
+            return specialized_zip_2_lists(seq0, seq1)
+        except TypeError:
+            pass
         # This is functionally the same as the code below, but more
         # efficient because it unrolls the loops over 'sequences'.
         # Only for two arguments, which is the most common case.
-        seq0 = sequences[0]
-        seq1 = sequences[1]
         iter0 = iter(seq0)
         iter1 = iter(seq1)
         hint = min(100000000,   # max 100M
diff --git a/pypy/module/__pypy__/__init__.py b/pypy/module/__pypy__/__init__.py
--- a/pypy/module/__pypy__/__init__.py
+++ b/pypy/module/__pypy__/__init__.py
@@ -83,6 +83,7 @@
         'newdict'                   : 'interp_dict.newdict',
         'reversed_dict'             : 'interp_dict.reversed_dict',
         'strategy'                  : 'interp_magic.strategy',  # dict,set,list
+        'specialized_zip_2_lists'   : 'interp_magic.specialized_zip_2_lists',
         'set_debug'                 : 'interp_magic.set_debug',
         'locals_to_fast'            : 'interp_magic.locals_to_fast',
         'save_module_content_for_future_reload':
diff --git a/pypy/module/__pypy__/interp_magic.py 
b/pypy/module/__pypy__/interp_magic.py
--- a/pypy/module/__pypy__/interp_magic.py
+++ b/pypy/module/__pypy__/interp_magic.py
@@ -147,3 +147,7 @@
 @unwrap_spec(w_module=MixedModule)
 def save_module_content_for_future_reload(space, w_module):
     w_module.save_module_content_for_future_reload()
+
+def specialized_zip_2_lists(space, w_list1, w_list2):
+    from pypy.objspace.std.specialisedtupleobject import 
specialized_zip_2_lists
+    return specialized_zip_2_lists(space, w_list1, w_list2)
diff --git a/pypy/module/_cffi_backend/ctypeprim.py 
b/pypy/module/_cffi_backend/ctypeprim.py
--- a/pypy/module/_cffi_backend/ctypeprim.py
+++ b/pypy/module/_cffi_backend/ctypeprim.py
@@ -7,6 +7,7 @@
 from rpython.rlib.rarithmetic import r_uint, r_ulonglong, intmask
 from rpython.rlib import jit
 from rpython.rtyper.lltypesystem import lltype, rffi
+from rpython.rtyper.tool import rfficache
 
 from pypy.interpreter.error import oefmt
 from pypy.module._cffi_backend import cdataobj, misc
@@ -125,12 +126,25 @@
         cdata[0] = value
 
 
+# XXX explicitly use an integer type instead of lltype.UniChar here,
+# because for now the latter is defined as unsigned by RPython (even
+# though it may be signed when 'wchar_t' is written to C).
+WCHAR_INT = {(2, False): rffi.USHORT,
+             (4, False): rffi.UINT,
+             (4, True): rffi.INT}[rffi.sizeof(lltype.UniChar),
+                                  rfficache.signof_c_type('wchar_t')]
+WCHAR_INTP = rffi.CArrayPtr(WCHAR_INT)
+
 class W_CTypePrimitiveUniChar(W_CTypePrimitiveCharOrUniChar):
     _attrs_ = []
 
+    if rffi.r_wchar_t.SIGN:
+        def write_raw_integer_data(self, w_cdata, value):
+            w_cdata.write_raw_signed_data(value)
+
     def cast_to_int(self, cdata):
-        unichardata = rffi.cast(rffi.CWCHARP, cdata)
-        return self.space.wrap(ord(unichardata[0]))
+        unichardata = rffi.cast(WCHAR_INTP, cdata)
+        return self.space.wrap(unichardata[0])
 
     def convert_to_object(self, cdata):
         unichardata = rffi.cast(rffi.CWCHARP, cdata)
diff --git a/pypy/module/_ssl/interp_ssl.py b/pypy/module/_ssl/interp_ssl.py
--- a/pypy/module/_ssl/interp_ssl.py
+++ b/pypy/module/_ssl/interp_ssl.py
@@ -241,20 +241,26 @@
         res = libssl_RAND_status()
         return space.wrap(res)
 
-    @unwrap_spec(path=str)
-    def RAND_egd(space, path):
-        """RAND_egd(path) -> bytes
+    if HAVE_OPENSSL_RAND_EGD:
+        @unwrap_spec(path=str)
+        def RAND_egd(space, path):
+            """RAND_egd(path) -> bytes
 
-        Queries the entropy gather daemon (EGD) on socket path.  Returns number
-        of bytes read.  Raises socket.sslerror if connection to EGD fails or
-        if it does provide enough data to seed PRNG."""
-        with rffi.scoped_str2charp(path) as socket_path:
-            bytes = libssl_RAND_egd(socket_path)
-        if bytes == -1:
-            raise ssl_error(space,
-                            "EGD connection failed or EGD did not return "
-                            "enough data to seed the PRNG")
-        return space.wrap(bytes)
+            Queries the entropy gather daemon (EGD) on socket path.  Returns 
number
+            of bytes read.  Raises socket.sslerror if connection to EGD fails 
or
+            if it does provide enough data to seed PRNG."""
+            with rffi.scoped_str2charp(path) as socket_path:
+                bytes = libssl_RAND_egd(socket_path)
+            if bytes == -1:
+                raise ssl_error(space,
+                                "EGD connection failed or EGD did not return "
+                                "enough data to seed the PRNG")
+            return space.wrap(bytes)
+    else:
+        # Dummy func for platforms missing RAND_egd(). Most likely LibreSSL.
+        @unwrap_spec(path=str)
+        def RAND_egd(space, path):
+            raise ssl_error(space, "RAND_egd unavailable")
 
 
 class _SSLSocket(W_Root):
diff --git a/pypy/module/_ssl/test/test_ssl.py 
b/pypy/module/_ssl/test/test_ssl.py
--- a/pypy/module/_ssl/test/test_ssl.py
+++ b/pypy/module/_ssl/test/test_ssl.py
@@ -36,7 +36,8 @@
         assert isinstance(_ssl.OPENSSL_VERSION_INFO, tuple)
         assert len(_ssl.OPENSSL_VERSION_INFO) == 5
         assert isinstance(_ssl.OPENSSL_VERSION, str)
-        assert 'openssl' in _ssl.OPENSSL_VERSION.lower()
+        lower_version = _ssl.OPENSSL_VERSION.lower()
+        assert 'openssl' in lower_version or "libressl" in lower_version
 
         assert isinstance(_ssl.ALERT_DESCRIPTION_ACCESS_DENIED, int)
 
@@ -69,8 +70,9 @@
 
     def test_sslwrap(self):
         import _ssl, _socket, sys, gc
-        if sys.platform == 'darwin' or 'freebsd' in sys.platform:
-            skip("hangs indefinitely on OSX & FreeBSD (also on CPython)")
+        if sys.platform == 'darwin' or 'freebsd' in sys.platform or \
+                'openbsd' in sys.platform:
+            skip("hangs indefinitely on OSX & BSD (also on CPython)")
         s = _socket.socket()
         if sys.version_info < (2, 7, 9):
             ss = _ssl.sslwrap(s, 0)
diff --git a/pypy/module/_vmprof/test/test__vmprof.py 
b/pypy/module/_vmprof/test/test__vmprof.py
--- a/pypy/module/_vmprof/test/test__vmprof.py
+++ b/pypy/module/_vmprof/test/test__vmprof.py
@@ -34,6 +34,7 @@
                     i += 1
                     _, size = struct.unpack("ll", s[i:i + 2 * WORD])
                     i += 2 * WORD + size * struct.calcsize("P")
+                    i += WORD    # thread id
                 elif s[i] == '\x02':
                     i += 1
                     _, size = struct.unpack("ll", s[i:i + 2 * WORD])
diff --git a/pypy/module/array/test/test_array.py 
b/pypy/module/array/test/test_array.py
--- a/pypy/module/array/test/test_array.py
+++ b/pypy/module/array/test/test_array.py
@@ -844,6 +844,18 @@
         b.byteswap()
         assert a != b
 
+    def test_unicode_ord_positive(self):
+        import sys
+        if sys.maxunicode == 0xffff:
+            skip("test for 32-bit unicodes")
+        a = self.array('u', '\xff\xff\xff\xff')
+        assert len(a) == 1
+        assert repr(a[0]) == "u'\Uffffffff'"
+        if sys.maxint == 2147483647:
+            assert ord(a[0]) == -1
+        else:
+            assert ord(a[0]) == 4294967295
+
     def test_weakref(self):
         import weakref
         a = self.array('c', 'Hi!')
diff --git a/pypy/module/itertools/interp_itertools.py 
b/pypy/module/itertools/interp_itertools.py
--- a/pypy/module/itertools/interp_itertools.py
+++ b/pypy/module/itertools/interp_itertools.py
@@ -2,6 +2,7 @@
 from pypy.interpreter.error import OperationError
 from pypy.interpreter.typedef import TypeDef, make_weakref_descr
 from pypy.interpreter.gateway import interp2app, unwrap_spec, WrappedDefault
+from rpython.rlib import jit
 
 
 class W_Count(W_Root):
@@ -322,6 +323,11 @@
     """)
 
 
+islice_ignore_items_driver = jit.JitDriver(name='islice_ignore_items',
+                                           greens=['tp'],
+                                           reds=['num', 'w_islice',
+                                                 'w_iterator'])
+
 class W_ISlice(W_Root):
     def __init__(self, space, w_iterable, w_startstop, args_w):
         self.iterable = space.iter(w_iterable)
@@ -407,11 +413,18 @@
             raise
 
     def _ignore_items(self, num):
-        if self.iterable is None:
+        w_iterator = self.iterable
+        if w_iterator is None:
             raise OperationError(self.space.w_StopIteration, self.space.w_None)
+
+        tp = self.space.type(w_iterator)
         while True:
+            islice_ignore_items_driver.jit_merge_point(tp=tp,
+                                                       num=num,
+                                                       w_islice=self,
+                                                       w_iterator=w_iterator)
             try:
-                self.space.next(self.iterable)
+                self.space.next(w_iterator)
             except OperationError as e:
                 if e.match(self.space, self.space.w_StopIteration):
                     self.iterable = None
diff --git a/pypy/module/itertools/test/test_itertools.py 
b/pypy/module/itertools/test/test_itertools.py
--- a/pypy/module/itertools/test/test_itertools.py
+++ b/pypy/module/itertools/test/test_itertools.py
@@ -1085,3 +1085,18 @@
                 assert list(itertools.islice(c2, 3)) == expected
                 c3 = pickle.loads(pickle.dumps(c))
                 assert list(itertools.islice(c3, 3)) == expected
+
+    def test_islice_attack(self):
+        import itertools
+        class Iterator(object):
+            first = True
+            def __iter__(self):
+                return self
+            def next(self):
+                if self.first:
+                    self.first = False
+                    list(islice)
+                return 52
+        myiter = Iterator()
+        islice = itertools.islice(myiter, 5, 8)
+        raises(StopIteration, islice.next)
diff --git a/pypy/module/micronumpy/__init__.py 
b/pypy/module/micronumpy/__init__.py
--- a/pypy/module/micronumpy/__init__.py
+++ b/pypy/module/micronumpy/__init__.py
@@ -9,6 +9,7 @@
         'ndarray': 'ndarray.W_NDimArray',
         'dtype': 'descriptor.W_Dtype',
         'flatiter': 'flatiter.W_FlatIterator',
+        'flagsobj': 'flagsobj.W_FlagsObject',
 
         '_reconstruct' : 'ndarray._reconstruct',
         'scalar' : 'ctors.build_scalar',
diff --git a/pypy/module/micronumpy/base.py b/pypy/module/micronumpy/base.py
--- a/pypy/module/micronumpy/base.py
+++ b/pypy/module/micronumpy/base.py
@@ -1,6 +1,7 @@
 from pypy.interpreter.baseobjspace import W_Root
 from pypy.interpreter.error import OperationError, oefmt
 from rpython.tool.pairtype import extendabletype
+from rpython.rlib.rarithmetic import ovfcheck
 from pypy.module.micronumpy import support
 from pypy.module.micronumpy import constants as NPY
 
@@ -44,9 +45,9 @@
             raise oefmt(space.w_ValueError,
                 "sequence too large; must be smaller than %d", NPY.MAXDIMS)
         try:
-            support.product(shape) * dtype.elsize
+            ovfcheck(support.product_check(shape) * dtype.elsize)
         except OverflowError as e:
-            raise oefmt(space.w_ValueError, "array is too big")
+            raise oefmt(space.w_ValueError, "array is too big.")
         strides, backstrides = calc_strides(shape, dtype.base, order)
         impl = concrete.ConcreteArray(shape, dtype.base, order, strides,
                                       backstrides, zero=zero)
@@ -68,9 +69,9 @@
             raise oefmt(space.w_ValueError,
                 "sequence too large; must be smaller than %d", NPY.MAXDIMS)
         try:
-            totalsize = support.product(shape) * isize
+            totalsize = ovfcheck(support.product_check(shape) * isize)
         except OverflowError as e:
-            raise oefmt(space.w_ValueError, "array is too big")
+            raise oefmt(space.w_ValueError, "array is too big.")
         if storage_bytes > 0 :
             if totalsize > storage_bytes:
                 raise OperationError(space.w_TypeError, space.wrap(
@@ -116,12 +117,14 @@
         return W_NDimArray(impl)
 
     @staticmethod
-    def new_slice(space, offset, strides, backstrides, shape, parent, 
orig_arr, dtype=None):
+    def new_slice(space, offset, strides, backstrides, shape, parent, w_arr, 
dtype=None):
         from pypy.module.micronumpy import concrete
-
+        w_base = w_arr
+        if w_arr.implementation.base() is not None:
+            w_base = w_arr.implementation.base()
         impl = concrete.SliceArray(offset, strides, backstrides, shape, parent,
-                                   orig_arr, dtype)
-        return wrap_impl(space, space.type(orig_arr), orig_arr, impl)
+                                   w_base, dtype)
+        return wrap_impl(space, space.type(w_arr), w_arr, impl)
 
     @staticmethod
     def new_scalar(space, dtype, w_val=None):
diff --git a/pypy/module/micronumpy/boxes.py b/pypy/module/micronumpy/boxes.py
--- a/pypy/module/micronumpy/boxes.py
+++ b/pypy/module/micronumpy/boxes.py
@@ -147,7 +147,7 @@
 
     def get_flags(self):
         return (NPY.ARRAY_C_CONTIGUOUS | NPY.ARRAY_F_CONTIGUOUS |
-                NPY.ARRAY_WRITEABLE | NPY.ARRAY_OWNDATA)
+                NPY.ARRAY_ALIGNED | NPY.ARRAY_OWNDATA)
 
     def item(self, space):
         return self.get_dtype(space).itemtype.to_builtin_type(space, self)
diff --git a/pypy/module/micronumpy/concrete.py 
b/pypy/module/micronumpy/concrete.py
--- a/pypy/module/micronumpy/concrete.py
+++ b/pypy/module/micronumpy/concrete.py
@@ -1,5 +1,7 @@
 from pypy.interpreter.error import OperationError, oefmt
 from rpython.rlib import jit, rgc
+from rpython.rlib.rarithmetic import ovfcheck
+from rpython.rlib.listsort import make_timsort_class
 from rpython.rlib.buffer import Buffer
 from rpython.rlib.debug import make_sure_not_resized
 from rpython.rlib.rawstorage import alloc_raw_storage, free_raw_storage, \
@@ -16,6 +18,19 @@
     is_f_contiguous)
 from rpython.rlib.objectmodel import keepalive_until_here
 
+TimSort = make_timsort_class()
+class StrideSort(TimSort):
+    ''' 
+    argsort (return the indices to sort) a list of strides
+    '''
+    def __init__(self, rangelist, strides):
+        self.strides = strides
+        TimSort.__init__(self, rangelist)
+
+    def lt(self, a, b):
+        return self.strides[a] < self.strides[b]
+
+
 class BaseConcreteArray(object):
     _immutable_fields_ = ['dtype?', 'storage', 'start', 'size', 'shape[*]',
                           'strides[*]', 'backstrides[*]', 'order', 'gcstruct',
@@ -353,12 +368,15 @@
         elif order != self.order:
             t_strides, backstrides = calc_strides(shape, dtype, order)
         else:
-            mins = strides[0]
+            indx_array = range(len(strides))
+            list_sorter = StrideSort(indx_array, strides)
+            list_sorter.sort()
             t_elsize = dtype.elsize
-            for s in strides:
-                if s < mins:
-                    mins = s
-            t_strides = [s * t_elsize / mins for s in strides]
+            t_strides = strides[:]
+            base = dtype.elsize
+            for i in indx_array:
+                t_strides[i] = base
+                base *= shape[i]
             backstrides = calc_backstrides(t_strides, shape)
         impl = ConcreteArray(shape, dtype, order, t_strides, backstrides)
         loop.setslice(space, impl.get_shape(), impl, self)
@@ -409,6 +427,7 @@
         make_sure_not_resized(strides)
         make_sure_not_resized(backstrides)
         self.shape = shape
+        # already tested for overflow in from_shape_and_storage
         self.size = support.product(shape) * dtype.elsize
         self.order = order
         self.dtype = dtype
@@ -428,9 +447,9 @@
             raise oefmt(space.w_ValueError,
                 "sequence too large; must be smaller than %d", NPY.MAXDIMS)
         try:
-            support.product(new_shape) * self.dtype.elsize
+            ovfcheck(support.product_check(new_shape) * self.dtype.elsize)
         except OverflowError as e:
-            raise oefmt(space.w_ValueError, "array is too big")
+            raise oefmt(space.w_ValueError, "array is too big.")
         strides, backstrides = calc_strides(new_shape, self.dtype,
                                                     self.order)
         return SliceArray(self.start, strides, backstrides, new_shape, self,
@@ -457,8 +476,11 @@
                  storage=lltype.nullptr(RAW_STORAGE), zero=True):
         gcstruct = V_OBJECTSTORE
         flags = NPY.ARRAY_ALIGNED | NPY.ARRAY_WRITEABLE
-        length = support.product(shape)
-        self.size = length * dtype.elsize
+        try:
+            length = support.product_check(shape)
+            self.size = ovfcheck(length * dtype.elsize)
+        except OverflowError: 
+            raise oefmt(dtype.itemtype.space.w_ValueError, "array is too big.")
         if storage == lltype.nullptr(RAW_STORAGE):
             if dtype.num == NPY.OBJECT:
                 storage = dtype.itemtype.malloc(length * dtype.elsize, 
zero=True)
@@ -542,7 +564,10 @@
         self.gcstruct = parent.gcstruct
         self.order = parent.order
         self.dtype = dtype
-        self.size = support.product(shape) * self.dtype.elsize
+        try:
+            self.size = ovfcheck(support.product_check(shape) * 
self.dtype.elsize)
+        except OverflowError:
+            raise oefmt(dtype.itemtype.space.w_ValueError, "array is too big.")
         self.start = start
         self.orig_arr = orig_arr
         flags = parent.flags & NPY.ARRAY_ALIGNED
@@ -564,9 +589,9 @@
             raise oefmt(space.w_ValueError,
                 "sequence too large; must be smaller than %d", NPY.MAXDIMS)
         try:
-            support.product(new_shape) * self.dtype.elsize
+            ovfcheck(support.product_check(new_shape) * self.dtype.elsize)
         except OverflowError as e:
-            raise oefmt(space.w_ValueError, "array is too big")
+            raise oefmt(space.w_ValueError, "array is too big.")
         if len(self.get_shape()) < 2 or self.size == 0:
             # TODO: this code could be refactored into calc_strides
             # but then calc_strides would have to accept a stepping factor
diff --git a/pypy/module/micronumpy/ctors.py b/pypy/module/micronumpy/ctors.py
--- a/pypy/module/micronumpy/ctors.py
+++ b/pypy/module/micronumpy/ctors.py
@@ -133,7 +133,9 @@
             return w_arr
         else:
             imp = w_object.implementation
-            w_base = imp.base() or w_object
+            w_base = w_object
+            if imp.base() is not None:
+                w_base = imp.base()
             with imp as storage:
                 sz = support.product(w_object.get_shape()) * dtype.elsize
                 return W_NDimArray.from_shape_and_storage(space,
@@ -153,7 +155,7 @@
             dtype = descriptor.variable_dtype(space, dtype.char + '1')
 
     w_arr = W_NDimArray.from_shape(space, shape, dtype, order=order)
-    if support.product(shape) == 1:
+    if support.product(shape) == 1: # safe from overflow since from_shape 
checks
         w_arr.set_scalar_value(dtype.coerce(space, elems_w[0]))
     else:
         loop.assign(space, w_arr, elems_w)
@@ -213,10 +215,9 @@
             raise OperationError(space.w_ValueError, space.wrap(
                 "negative dimensions are not allowed"))
     try:
-        support.product(shape)
+        support.product_check(shape)
     except OverflowError:
-        raise OperationError(space.w_ValueError, space.wrap(
-            "array is too big."))
+        raise oefmt(space.w_ValueError, "array is too big.")
     return W_NDimArray.from_shape(space, shape, dtype=dtype, zero=zero)
 
 def empty(space, w_shape, w_dtype=None, w_order=None):
diff --git a/pypy/module/micronumpy/flagsobj.py 
b/pypy/module/micronumpy/flagsobj.py
--- a/pypy/module/micronumpy/flagsobj.py
+++ b/pypy/module/micronumpy/flagsobj.py
@@ -57,6 +57,9 @@
             self.flags & NPY.ARRAY_F_CONTIGUOUS or
             self.flags & NPY.ARRAY_C_CONTIGUOUS ))
 
+    def descr_get_num(self, space):
+        return space.wrap(self.flags)
+
     def descr_getitem(self, space, w_item):
         key = space.str_w(w_item)
         if key == "C" or key == "CONTIGUOUS" or key == "C_CONTIGUOUS":
@@ -122,4 +125,5 @@
     aligned = GetSetProperty(W_FlagsObject.descr_get_aligned),
     fnc = GetSetProperty(W_FlagsObject.descr_get_fnc),
     forc = GetSetProperty(W_FlagsObject.descr_get_forc),
+    num = GetSetProperty(W_FlagsObject.descr_get_num),
 )
diff --git a/pypy/module/micronumpy/ndarray.py 
b/pypy/module/micronumpy/ndarray.py
--- a/pypy/module/micronumpy/ndarray.py
+++ b/pypy/module/micronumpy/ndarray.py
@@ -6,6 +6,7 @@
 from rpython.rlib import jit
 from rpython.rlib.rstring import StringBuilder
 from rpython.rlib.rawstorage import RAW_STORAGE_PTR
+from rpython.rlib.rarithmetic import ovfcheck
 from rpython.rtyper.lltypesystem import rffi
 from rpython.tool.sourcetools import func_with_new_name
 from pypy.module.micronumpy import descriptor, ufuncs, boxes, arrayops, loop, \
@@ -611,6 +612,7 @@
                 "__array__(dtype) not implemented"))
         if type(self) is W_NDimArray:
             return self
+        # sz cannot overflow since self is valid
         sz = support.product(self.get_shape()) * self.get_dtype().elsize
         return W_NDimArray.from_shape_and_storage(
             space, self.get_shape(), self.implementation.storage,
@@ -745,8 +747,12 @@
         return out
 
     def descr_get_ctypes(self, space):
-        raise OperationError(space.w_NotImplementedError, space.wrap(
-            "ctypes not implemented yet"))
+        w_result = space.appexec([self], """(arr):
+            from numpy.core import _internal
+            p_data = arr.__array_interface__['data'][0]
+            return _internal._ctypes(arr, p_data)
+        """)
+        return w_result
 
     def buffer_w(self, space, flags):
         return self.implementation.get_buffer(space, True)
@@ -1405,9 +1411,9 @@
         return W_NDimArray.from_shape(space, shape, dtype, order)
     strides, backstrides = calc_strides(shape, dtype.base, order)
     try:
-        totalsize = support.product(shape) * dtype.base.elsize
+        totalsize = ovfcheck(support.product_check(shape) * dtype.base.elsize)
     except OverflowError as e:
-        raise oefmt(space.w_ValueError, "array is too big")
+        raise oefmt(space.w_ValueError, "array is too big.")
     impl = ConcreteArray(shape, dtype.base, order, strides, backstrides)
     w_ret = space.allocate_instance(W_NDimArray, w_subtype)
     W_NDimArray.__init__(w_ret, impl)
diff --git a/pypy/module/micronumpy/support.py 
b/pypy/module/micronumpy/support.py
--- a/pypy/module/micronumpy/support.py
+++ b/pypy/module/micronumpy/support.py
@@ -32,10 +32,16 @@
 def product(s):
     i = 1
     for x in s:
+        i *= x
+    return i
+
+@jit.unroll_safe
+def product_check(s):
+    i = 1
+    for x in s:
         i = ovfcheck(i * x)
     return i
 
-
 def check_and_adjust_index(space, index, size, axis):
     if index < -size or index >= size:
         if axis >= 0:
diff --git a/pypy/module/micronumpy/test/test_flagsobj.py 
b/pypy/module/micronumpy/test/test_flagsobj.py
--- a/pypy/module/micronumpy/test/test_flagsobj.py
+++ b/pypy/module/micronumpy/test/test_flagsobj.py
@@ -30,6 +30,7 @@
         assert a.flags.forc == True
         assert a.flags['FNC'] == False
         assert a.flags['FORC'] == True
+        assert a.flags.num == 1287
         raises(KeyError, "a.flags['blah']")
         raises(KeyError, "a.flags['C_CONTIGUOUS'] = False")
         raises((TypeError, AttributeError), "a.flags.c_contiguous = False")
@@ -38,6 +39,7 @@
         import numpy as np
         a = np.int32(2)
         assert a.flags.c_contiguous == True
+        assert a.flags.num == 263
 
     def test_compare(self):
         import numpy as np
diff --git a/pypy/module/micronumpy/test/test_ndarray.py 
b/pypy/module/micronumpy/test/test_ndarray.py
--- a/pypy/module/micronumpy/test/test_ndarray.py
+++ b/pypy/module/micronumpy/test/test_ndarray.py
@@ -270,7 +270,7 @@
         exc = raises(ValueError, ndarray, [1,2,256]*10000)
         assert exc.value[0] == 'sequence too large; must be smaller than 32'
         exc = raises(ValueError, ndarray, [1,2,256]*10)
-        assert exc.value[0] == 'array is too big'
+        assert exc.value[0] == 'array is too big.'
 
     def test_ndmin(self):
         from numpy import array
@@ -2218,7 +2218,7 @@
         assert _weakref.ref(a)
 
     def test_astype(self):
-        from numpy import array, arange
+        from numpy import array, arange, empty
         b = array(1).astype(float)
         assert b == 1
         assert b.dtype == float
@@ -2273,14 +2273,36 @@
         b = a.astype('f4', order='C', copy=False)
         assert a is b
 
+        a = empty([3, 3, 3, 3], 'uint8')
+        a[:] = 0
+        b = a[2]
+        c = b[:, :2, :]
+        d = c.swapaxes(1, -1)
+        e = d.astype('complex128')
+        assert e.shape == (3, 3, 2)
+        assert e.strides == (96, 16, 48)
+        assert (e.real == d).all()
+
     def test_base(self):
-        from numpy import array
+        from numpy import array, empty
         assert array(1).base is None
         assert array([1, 2]).base is None
         a = array([1, 2, 3, 4])
         b = a[::2]
         assert b.base is a
 
+        a = empty([3, 3, 3, 3], 'uint8')
+        a[:] = 0
+        b = a[2]
+        assert b.base.base is None
+        c = b[:, :2, :]
+        d = c.swapaxes(1, -1)
+        assert c.base.base is None
+        assert d.base.base is None
+        assert d.shape == (3, 3, 2)
+        assert d.__array_interface__['data'][0] == \
+               a.__array_interface__['data'][0] + a.strides[0] * 2
+
     def test_byteswap(self):
         from numpy import array
 
@@ -2497,10 +2519,10 @@
         assert b.shape == b[...].shape
         assert (b == b[...]).all()
 
-        a = np.arange(6).reshape(2, 3)
+        a = np.arange(6)
         if '__pypy__' in sys.builtin_module_names:
             raises(ValueError, "a[..., ...]")
-        b = a [..., 0]
+        b = a.reshape(2, 3)[..., 0]
         assert (b == [0, 3]).all()
         assert b.base is a
 
diff --git a/pypy/module/micronumpy/ufuncs.py b/pypy/module/micronumpy/ufuncs.py
--- a/pypy/module/micronumpy/ufuncs.py
+++ b/pypy/module/micronumpy/ufuncs.py
@@ -1006,7 +1006,6 @@
             assert isinstance(curarg, W_NDimArray)
             if len(arg_shapes[i]) != curarg.ndims():
                 # reshape
-
                 sz = product(curarg.get_shape()) * curarg.get_dtype().elsize
                 with curarg.implementation as storage:
                     inargs[i] = W_NDimArray.from_shape_and_storage(
diff --git a/pypy/module/pypyjit/__init__.py b/pypy/module/pypyjit/__init__.py
--- a/pypy/module/pypyjit/__init__.py
+++ b/pypy/module/pypyjit/__init__.py
@@ -8,16 +8,18 @@
         'set_param':    'interp_jit.set_param',
         'residual_call': 'interp_jit.residual_call',
         'not_from_assembler': 'interp_jit.W_NotFromAssembler',
-        #'set_compile_hook': 'interp_resop.set_compile_hook',
-        #'set_optimize_hook': 'interp_resop.set_optimize_hook',
-        #'set_abort_hook': 'interp_resop.set_abort_hook',
-        #'get_stats_snapshot': 'interp_resop.get_stats_snapshot',
-        #'enable_debug': 'interp_resop.enable_debug',
-        #'disable_debug': 'interp_resop.disable_debug',
-        #'ResOperation': 'interp_resop.WrappedOp',
-        #'DebugMergePoint': 'interp_resop.DebugMergePoint',
-        #'JitLoopInfo': 'interp_resop.W_JitLoopInfo',
-        #'Box': 'interp_resop.WrappedBox',
+        'get_jitcell_at_key': 'interp_jit.get_jitcell_at_key',
+        'dont_trace_here': 'interp_jit.dont_trace_here',
+        'trace_next_iteration': 'interp_jit.trace_next_iteration',
+        'trace_next_iteration_hash': 'interp_jit.trace_next_iteration_hash',
+        'set_compile_hook': 'interp_resop.set_compile_hook',
+        'set_abort_hook': 'interp_resop.set_abort_hook',
+        'get_stats_snapshot': 'interp_resop.get_stats_snapshot',
+        'enable_debug': 'interp_resop.enable_debug',
+        'disable_debug': 'interp_resop.disable_debug',
+        'ResOperation': 'interp_resop.WrappedOp',
+        'DebugMergePoint': 'interp_resop.DebugMergePoint',
+        'JitLoopInfo': 'interp_resop.W_JitLoopInfo',
         'PARAMETER_DOCS': 'space.wrap(rpython.rlib.jit.PARAMETER_DOCS)',
     }
 
diff --git a/pypy/module/pypyjit/hooks.py b/pypy/module/pypyjit/hooks.py
--- a/pypy/module/pypyjit/hooks.py
+++ b/pypy/module/pypyjit/hooks.py
@@ -35,10 +35,10 @@
         self._compile_hook(debug_info, is_bridge=True)
 
     def before_compile(self, debug_info):
-        self._optimize_hook(debug_info, is_bridge=False)
+        pass
 
     def before_compile_bridge(self, debug_info):
-        self._optimize_hook(debug_info, is_bridge=True)
+        pass
 
     def _compile_hook(self, debug_info, is_bridge):
         space = self.space
@@ -46,7 +46,8 @@
         if cache.in_recursion:
             return
         if space.is_true(cache.w_compile_hook):
-            w_debug_info = W_JitLoopInfo(space, debug_info, is_bridge)
+            w_debug_info = W_JitLoopInfo(space, debug_info, is_bridge,
+                                         cache.compile_hook_with_ops)
             cache.in_recursion = True
             try:
                 try:
@@ -57,33 +58,4 @@
             finally:
                 cache.in_recursion = False
 
-    def _optimize_hook(self, debug_info, is_bridge=False):
-        space = self.space
-        cache = space.fromcache(Cache)
-        if cache.in_recursion:
-            return
-        if space.is_true(cache.w_optimize_hook):
-            w_debug_info = W_JitLoopInfo(space, debug_info, is_bridge)
-            cache.in_recursion = True
-            try:
-                try:
-                    w_res = space.call_function(cache.w_optimize_hook,
-                                                space.wrap(w_debug_info))
-                    if space.is_w(w_res, space.w_None):
-                        return
-                    l = []
-                    for w_item in space.listview(w_res):
-                        item = space.interp_w(WrappedOp, w_item)
-                        l.append(jit_hooks._cast_to_resop(item.op))
-                    del debug_info.operations[:] # modifying operations above 
is
-                    # probably not a great idea since types may not work
-                    # and we'll end up with half-working list and
-                    # a segfault/fatal RPython error
-                    for elem in l:
-                        debug_info.operations.append(elem)
-                except OperationError, e:
-                    e.write_unraisable(space, "jit hook ", 
cache.w_compile_hook)
-            finally:
-                cache.in_recursion = False
-
 pypy_hooks = PyPyJitIface()
diff --git a/pypy/module/pypyjit/interp_jit.py 
b/pypy/module/pypyjit/interp_jit.py
--- a/pypy/module/pypyjit/interp_jit.py
+++ b/pypy/module/pypyjit/interp_jit.py
@@ -5,11 +5,14 @@
 
 from rpython.rlib.rarithmetic import r_uint, intmask
 from rpython.rlib.jit import JitDriver, hint, we_are_jitted, dont_look_inside
-from rpython.rlib import jit
-from rpython.rlib.jit import current_trace_length, unroll_parameters
+from rpython.rlib import jit, jit_hooks
+from rpython.rlib.jit import current_trace_length, unroll_parameters,\
+     JitHookInterface
+from rpython.rtyper.annlowlevel import cast_instance_to_gcref
 import pypy.interpreter.pyopcode   # for side-effects
 from pypy.interpreter.error import OperationError, oefmt
 from pypy.interpreter.pycode import CO_GENERATOR, PyCode
+from pypy.interpreter.gateway import unwrap_spec
 from pypy.interpreter.pyframe import PyFrame
 from pypy.interpreter.pyopcode import ExitFrame, Yield
 from pypy.interpreter.baseobjspace import W_Root
@@ -188,3 +191,100 @@
     __call__ = interp2app(W_NotFromAssembler.descr_call),
 )
 W_NotFromAssembler.typedef.acceptable_as_base_class = False
+
+@unwrap_spec(next_instr=int, is_being_profiled=bool, w_pycode=PyCode)
+@dont_look_inside
+def get_jitcell_at_key(space, next_instr, is_being_profiled, w_pycode):
+    ll_pycode = cast_instance_to_gcref(w_pycode)
+    return space.wrap(bool(jit_hooks.get_jitcell_at_key(
+        'pypyjit', r_uint(next_instr), int(is_being_profiled), ll_pycode)))
+
+@unwrap_spec(next_instr=int, is_being_profiled=bool, w_pycode=PyCode)
+@dont_look_inside
+def dont_trace_here(space, next_instr, is_being_profiled, w_pycode):
+    ll_pycode = cast_instance_to_gcref(w_pycode)
+    jit_hooks.dont_trace_here(
+        'pypyjit', r_uint(next_instr), int(is_being_profiled), ll_pycode)
+    return space.w_None
+
+@unwrap_spec(next_instr=int, is_being_profiled=bool, w_pycode=PyCode)
+@dont_look_inside
+def trace_next_iteration(space, next_instr, is_being_profiled, w_pycode):
+    ll_pycode = cast_instance_to_gcref(w_pycode)
+    jit_hooks.trace_next_iteration(
+        'pypyjit', r_uint(next_instr), int(is_being_profiled), ll_pycode)
+    return space.w_None
+
+@unwrap_spec(hash=r_uint)
+@dont_look_inside
+def trace_next_iteration_hash(space, hash):
+    jit_hooks.trace_next_iteration_hash('pypyjit', hash)
+    return space.w_None
+
+# class Cache(object):
+#     in_recursion = False
+
+#     def __init__(self, space):
+#         self.w_compile_bridge = space.w_None
+#         self.w_compile_loop = space.w_None
+
+# def set_compile_bridge(space, w_hook):
+#     cache = space.fromcache(Cache)
+#     assert w_hook is not None
+#     cache.w_compile_bridge = w_hook
+
+# def set_compile_loop(space, w_hook):
+#     from rpython.rlib.nonconst import NonConstant
+    
+#     cache = space.fromcache(Cache)
+#     assert w_hook is not None
+#     cache.w_compile_loop = w_hook
+#     cache.in_recursion = NonConstant(False)
+
+# class PyPyJitHookInterface(JitHookInterface):
+#     def after_compile(self, debug_info):
+#         space = self.space
+#         cache = space.fromcache(Cache)
+#         if cache.in_recursion:
+#             return
+#         l_w = []
+#         if not space.is_true(cache.w_compile_loop):
+#             return
+#         for i, op in enumerate(debug_info.operations):
+#             if op.is_guard():
+#                 w_t = space.newtuple([space.wrap(i), 
space.wrap(op.getopnum()), space.wrap(op.getdescr().get_jitcounter_hash())])
+#                 l_w.append(w_t)
+#         try:
+#             cache.in_recursion = True
+#             try:
+#                 space.call_function(cache.w_compile_loop, space.newlist(l_w))
+#             except OperationError, e:
+#                 e.write_unraisable(space, "jit hook ", 
cache.w_compile_bridge)
+#         finally:
+#             cache.in_recursion = False
+
+#     def after_compile_bridge(self, debug_info):
+#         space = self.space
+#         cache = space.fromcache(Cache)
+#         if cache.in_recursion:
+#             return
+#         if not space.is_true(cache.w_compile_bridge):
+#             return
+#         w_hash = space.wrap(debug_info.fail_descr.get_jitcounter_hash())
+#         try:
+#             cache.in_recursion = True
+#             try:
+#                 space.call_function(cache.w_compile_bridge, w_hash)
+#             except OperationError, e:
+#                 e.write_unraisable(space, "jit hook ", 
cache.w_compile_bridge)
+#         finally:
+#             cache.in_recursion = False
+
+#     def before_compile(self, debug_info):
+#         pass
+
+#     def before_compile_bridge(self, debug_info):
+#         pass
+
+# pypy_hooks = PyPyJitHookInterface()
+
diff --git a/pypy/module/pypyjit/interp_resop.py 
b/pypy/module/pypyjit/interp_resop.py
--- a/pypy/module/pypyjit/interp_resop.py
+++ b/pypy/module/pypyjit/interp_resop.py
@@ -22,7 +22,6 @@
     def __init__(self, space):
         self.w_compile_hook = space.w_None
         self.w_abort_hook = space.w_None
-        self.w_optimize_hook = space.w_None
 
     def getno(self):
         self.no += 1
@@ -43,8 +42,9 @@
     else:
         return space.wrap(greenkey_repr)
 
-def set_compile_hook(space, w_hook):
-    """ set_compile_hook(hook)
+@unwrap_spec(operations=bool)
+def set_compile_hook(space, w_hook, operations=True):
+    """ set_compile_hook(hook, operations=True)
 
     Set a compiling hook that will be called each time a loop is compiled.
 
@@ -58,25 +58,9 @@
     cache = space.fromcache(Cache)
     assert w_hook is not None
     cache.w_compile_hook = w_hook
+    cache.compile_hook_with_ops = operations
     cache.in_recursion = NonConstant(False)
 
-def set_optimize_hook(space, w_hook):
-    """ set_optimize_hook(hook)
-
-    Set a compiling hook that will be called each time a loop is optimized,
-    but before assembler compilation. This allows adding additional
-    optimizations on Python level.
-
-    The hook will be called with the pypyjit.JitLoopInfo object. Refer to it's
-    docstring for details.
-
-    Result value will be the resulting list of operations, or None
-    """
-    cache = space.fromcache(Cache)
-    cache.w_optimize_hook = w_hook
-    cache.in_recursion = NonConstant(False)
-
-
 def set_abort_hook(space, w_hook):
     """ set_abort_hook(hook)
 
@@ -96,6 +80,9 @@
     cache.in_recursion = NonConstant(False)
 
 def wrap_oplist(space, logops, operations, ops_offset=None):
+    # this function is called from the JIT
+    from rpython.jit.metainterp.resoperation import rop
+    
     l_w = []
     jitdrivers_sd = logops.metainterp_sd.jitdrivers_sd
     for op in operations:
@@ -103,117 +90,58 @@
             ofs = -1
         else:
             ofs = ops_offset.get(op, 0)
-        if op.opnum == rop.DEBUG_MERGE_POINT:
+        num = op.getopnum()
+        name = op.getopname()
+        if num == rop.DEBUG_MERGE_POINT:
             jd_sd = jitdrivers_sd[op.getarg(0).getint()]
             greenkey = op.getarglist()[3:]
             repr = jd_sd.warmstate.get_location_str(greenkey)
             w_greenkey = wrap_greenkey(space, jd_sd.jitdriver, greenkey, repr)
-            l_w.append(DebugMergePoint(space, jit_hooks._cast_to_gcref(op),
+            l_w.append(DebugMergePoint(space, name,
                                        logops.repr_of_resop(op),
                                        jd_sd.jitdriver.name,
                                        op.getarg(1).getint(),
                                        op.getarg(2).getint(),
                                        w_greenkey))
         else:
-            l_w.append(WrappedOp(jit_hooks._cast_to_gcref(op), ofs,
-                                 logops.repr_of_resop(op)))
+            l_w.append(WrappedOp(name, ofs, logops.repr_of_resop(op)))
     return l_w
 
+@unwrap_spec(offset=int, repr=str, name=str)
+def descr_new_resop(space, w_tp, name, offset=-1, repr=''):
+    return WrappedOp(name, offset, repr)
 
-class WrappedBox(W_Root):
-    """ A class representing a single box
-    """
-    def __init__(self, llbox):
-        self.llbox = llbox
-
-    def descr_getint(self, space):
-        if not jit_hooks.box_isint(self.llbox):
-            raise OperationError(space.w_NotImplementedError,
-                                 space.wrap("Box has no int value"))
-        return space.wrap(jit_hooks.box_getint(self.llbox))
-
-@unwrap_spec(no=int)
-def descr_new_box(space, w_tp, no):
-    return WrappedBox(jit_hooks.boxint_new(no))
-
-WrappedBox.typedef = TypeDef(
-    'Box',
-    __new__ = interp2app(descr_new_box),
-    getint = interp2app(WrappedBox.descr_getint),
-)
-
-@unwrap_spec(num=int, offset=int, repr=str, w_res=W_Root)
-def descr_new_resop(space, w_tp, num, w_args, w_res, offset=-1,
-                    repr=''):
-    args = [space.interp_w(WrappedBox, w_arg).llbox for w_arg in
-            space.listview(w_args)]
-    if space.is_none(w_res):
-        llres = jit_hooks.emptyval()
-    else:
-        if not isinstance(w_res, WrappedBox):
-            raise OperationError(space.w_TypeError, space.wrap(
-                "expected box type, got %s" % space.type(w_res)))
-        llres = w_res.llbox
-    return WrappedOp(jit_hooks.resop_new(num, args, llres), offset, repr)
-
-@unwrap_spec(repr=str, jd_name=str, call_depth=int, call_id=int)
-def descr_new_dmp(space, w_tp, w_args, repr, jd_name, call_depth, call_id,
+@unwrap_spec(repr=str, name=str, jd_name=str, call_depth=int, call_id=int)
+def descr_new_dmp(space, w_tp, name, repr, jd_name, call_depth, call_id,
     w_greenkey):
 
-    args = [space.interp_w(WrappedBox, w_arg).llbox for w_arg in
-            space.listview(w_args)]
-    num = rop.DEBUG_MERGE_POINT
-    return DebugMergePoint(space,
-                           jit_hooks.resop_new(num, args, 
jit_hooks.emptyval()),
+    return DebugMergePoint(space, name,
                            repr, jd_name, call_depth, call_id, w_greenkey)
 
 
 class WrappedOp(W_Root):
     """ A class representing a single ResOperation, wrapped nicely
     """
-    def __init__(self, op, offset, repr_of_resop):
-        self.op = op
+    def __init__(self, name, offset, repr_of_resop):
         self.offset = offset
+        self.name = name
         self.repr_of_resop = repr_of_resop
 
     def descr_repr(self, space):
         return space.wrap(self.repr_of_resop)
 
-    def descr_num(self, space):
-        return space.wrap(jit_hooks.resop_getopnum(self.op))
-
     def descr_name(self, space):
-        return space.wrap(hlstr(jit_hooks.resop_getopname(self.op)))
-
-    @unwrap_spec(no=int)
-    def descr_getarg(self, space, no):
-        try:
-            box = jit_hooks.resop_getarg(self.op, no)
-        except IndexError:
-            raise OperationError(space.w_IndexError,
-                                 space.wrap("Index out of range"))
-        return WrappedBox(box)
-
-    @unwrap_spec(no=int, w_box=WrappedBox)
-    def descr_setarg(self, space, no, w_box):
-        jit_hooks.resop_setarg(self.op, no, w_box.llbox)
-
-    def descr_getresult(self, space):
-        return WrappedBox(jit_hooks.resop_getresult(self.op))
-
-    def descr_setresult(self, space, w_box):
-        box = space.interp_w(WrappedBox, w_box)
-        jit_hooks.resop_setresult(self.op, box.llbox)
+        return space.wrap(self.name)
 
 class DebugMergePoint(WrappedOp):
     """ A class representing Debug Merge Point - the entry point
     to a jitted loop.
     """
 
-    def __init__(self, space, op, repr_of_resop, jd_name, call_depth, call_id,
-        w_greenkey):
+    def __init__(self, space, name, repr_of_resop, jd_name, call_depth,
+                 call_id, w_greenkey):
 
-        WrappedOp.__init__(self, op, -1, repr_of_resop)
+        WrappedOp.__init__(self, name, -1, repr_of_resop)
         self.jd_name = jd_name
         self.call_depth = call_depth
         self.call_id = call_id
@@ -237,12 +165,7 @@
     __doc__ = WrappedOp.__doc__,
     __new__ = interp2app(descr_new_resop),
     __repr__ = interp2app(WrappedOp.descr_repr),
-    num = GetSetProperty(WrappedOp.descr_num),
     name = GetSetProperty(WrappedOp.descr_name),
-    getarg = interp2app(WrappedOp.descr_getarg),
-    setarg = interp2app(WrappedOp.descr_setarg),
-    result = GetSetProperty(WrappedOp.descr_getresult,
-                            WrappedOp.descr_setresult),
     offset = interp_attrproperty("offset", cls=WrappedOp),
 )
 WrappedOp.typedef.acceptable_as_base_class = False
@@ -278,14 +201,18 @@
     asmaddr     = 0
     asmlen      = 0
 
-    def __init__(self, space, debug_info, is_bridge=False):
-        logops = debug_info.logger._make_log_operations()
-        if debug_info.asminfo is not None:
-            ofs = debug_info.asminfo.ops_offset
+    def __init__(self, space, debug_info, is_bridge=False, wrap_ops=True):
+        if wrap_ops:
+            memo = {}
+            logops = debug_info.logger._make_log_operations(memo)
+            if debug_info.asminfo is not None:
+                ofs = debug_info.asminfo.ops_offset
+            else:
+                ofs = {}
+            ops = debug_info.operations
+            self.w_ops = space.newlist(wrap_oplist(space, logops, ops, ofs))
         else:
-            ofs = {}
-        self.w_ops = space.newlist(
-            wrap_oplist(space, logops, debug_info.operations, ofs))
+            self.w_ops = space.w_None
 
         self.jd_name = debug_info.get_jitdriver().name
         self.type = debug_info.type
diff --git a/pypy/module/pypyjit/test/test_jit_hook.py 
b/pypy/module/pypyjit/test/test_jit_hook.py
--- a/pypy/module/pypyjit/test/test_jit_hook.py
+++ b/pypy/module/pypyjit/test/test_jit_hook.py
@@ -136,7 +136,6 @@
         assert dmp.call_id == 0
         assert dmp.offset == -1
         assert int_add.name == 'int_add'
-        assert int_add.num == self.int_add_num
         assert int_add.offset == 0
         self.on_compile_bridge()
         expected = ('<JitLoopInfo pypyjit, 4 operations, starting at '
@@ -173,10 +172,7 @@
         self.on_compile()
         loop = loops[0]
         op = loop.operations[2]
-        # Should not crash the interpreter
-        raises(IndexError, op.getarg, 2)
         assert op.name == 'guard_nonnull'
-        raises(NotImplementedError, op.getarg(0).getint)
 
     def test_non_reentrant(self):
         import pypyjit
@@ -234,35 +230,28 @@
         assert l == ['pypyjit']
 
     def test_creation(self):
-        from pypyjit import Box, ResOperation
+        from pypyjit import ResOperation
 
-        op = ResOperation(self.int_add_num, [Box(1), Box(3)], Box(4))
-        assert op.num == self.int_add_num
+        op = ResOperation("int_add", -1, "int_add(1, 2)")
         assert op.name == 'int_add'
-        box = op.getarg(0)
-        assert box.getint() == 1
-        box2 = op.result
-        assert box2.getint() == 4
-        op.setarg(0, box2)
-        assert op.getarg(0).getint() == 4
-        op.result = box
-        assert op.result.getint() == 1
+        assert repr(op) == "int_add(1, 2)"
 
     def test_creation_dmp(self):
-        from pypyjit import DebugMergePoint, Box
+        from pypyjit import DebugMergePoint
 
         def f():
             pass
 
-        op = DebugMergePoint([Box(0)], 'repr', 'pypyjit', 2, 3, (f.func_code, 
0, 0))
+        op = DebugMergePoint("debug_merge_point", 'repr', 'pypyjit', 2, 3, 
(f.func_code, 0, 0))
         assert op.bytecode_no == 0
         assert op.pycode is f.func_code
         assert repr(op) == 'repr'
         assert op.jitdriver_name == 'pypyjit'
-        assert op.num == self.dmp_num
+        assert op.name == 'debug_merge_point'
         assert op.call_depth == 2
         assert op.call_id == 3
-        op = DebugMergePoint([Box(0)], 'repr', 'notmain', 5, 4, ('str',))
+        op = DebugMergePoint('debug_merge_point', 'repr', 'notmain',
+                             5, 4, ('str',))
         raises(AttributeError, 'op.pycode')
         assert op.call_depth == 5
 
diff --git a/pypy/module/pypyjit/test_pypy_c/test_containers.py 
b/pypy/module/pypyjit/test_pypy_c/test_containers.py
--- a/pypy/module/pypyjit/test_pypy_c/test_containers.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_containers.py
@@ -43,9 +43,9 @@
         # can't change ;)
         assert loop.match_by_id("getitem", """
             ...
-            i26 = call(ConstClass(ll_call_lookup_function), p18, p6, i25, 0, 
descr=...)
+            i26 = call_i(ConstClass(ll_call_lookup_function), p18, p6, i25, 0, 
descr=...)
             ...
-            p33 = getinteriorfield_gc(p31, i26, descr=<InteriorFieldDescr 
<FieldP odictentry.value .*>>)
+            p33 = getinteriorfield_gc_r(p31, i26, descr=<InteriorFieldDescr 
<FieldP odictentry.value .*>>)
             ...
         """)
 
@@ -64,9 +64,9 @@
             i8 = int_lt(i5, i7)
             guard_true(i8, descr=...)
             guard_not_invalidated(descr=...)
-            p10 = call(ConstClass(ll_str__IntegerR_SignedConst_Signed), i5, 
descr=<Callr . i EF=3>)
+            p10 = call_r(ConstClass(ll_str__IntegerR_SignedConst_Signed), i5, 
descr=<Callr . i EF=3>)
             guard_no_exception(descr=...)
-            i12 = call(ConstClass(ll_strhash), p10, descr=<Calli . r EF=0>)
+            i12 = call_i(ConstClass(ll_strhash), p10, descr=<Calli . r EF=0>)
             p13 = new(descr=...)
             p15 = new_array_clear(16, descr=<ArrayU 1>)
             {{{
@@ -74,25 +74,25 @@
             setfield_gc(p13, p15, descr=<FieldP dicttable.indexes .+>)
             setfield_gc(p13, ConstPtr(0), descr=<FieldP dicttable.entries .+>)
             }}}
-            i17 = call(ConstClass(ll_dict_lookup_trampoline), p13, p10, i12, 
1, descr=<Calli . rrii EF=5 OS=4>)
+            i17 = call_i(ConstClass(ll_dict_lookup_trampoline), p13, p10, i12, 
1, descr=<Calli . rrii EF=5 OS=4>)
             {{{
             setfield_gc(p13, 0, descr=<FieldS dicttable.lookup_function_no .+>)
             setfield_gc(p13, 0, descr=<FieldS dicttable.num_live_items .+>)
             setfield_gc(p13, 32, descr=<FieldS dicttable.resize_counter .+>)
             }}}
             guard_no_exception(descr=...)
-            p20 = new_with_vtable(ConstClass(W_IntObject))
-            call(ConstClass(_ll_dict_setitem_lookup_done_trampoline), p13, 
p10, p20, i12, i17, descr=<Callv 0 rrrii EF=5>)
+            p20 = new_with_vtable(descr=...)
+            call_n(ConstClass(_ll_dict_setitem_lookup_done_trampoline), p13, 
p10, p20, i12, i17, descr=<Callv 0 rrrii EF=5>)
             setfield_gc(p20, i5, descr=<FieldS .*W_IntObject.inst_intval .*>)
             guard_no_exception(descr=...)
-            i23 = call(ConstClass(ll_call_lookup_function), p13, p10, i12, 0, 
descr=<Calli . rrii EF=5 OS=4>)
+            i23 = call_i(ConstClass(ll_call_lookup_function), p13, p10, i12, 
0, descr=<Calli . rrii EF=5 OS=4>)
             guard_no_exception(descr=...)
             i27 = int_lt(i23, 0)
             guard_false(i27, descr=...)
-            p28 = getfield_gc(p13, descr=<FieldP dicttable.entries .*>)
-            p29 = getinteriorfield_gc(p28, i23, descr=<InteriorFieldDescr 
<FieldP odictentry.value .*>>)
+            p28 = getfield_gc_r(p13, descr=<FieldP dicttable.entries .*>)
+            p29 = getinteriorfield_gc_r(p28, i23, descr=<InteriorFieldDescr 
<FieldP odictentry.value .*>>)
             guard_nonnull_class(p29, ConstClass(W_IntObject), descr=...)
-            i31 = getfield_gc_pure(p29, descr=<FieldS 
.*W_IntObject.inst_intval .*>)
+            i31 = getfield_gc_pure_i(p29, descr=<FieldS 
.*W_IntObject.inst_intval .*>)
             i32 = int_sub_ovf(i31, i5)
             guard_no_overflow(descr=...)
             i34 = int_add_ovf(i32, 1)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_cprofile.py 
b/pypy/module/pypyjit/test_pypy_c/test_cprofile.py
--- a/pypy/module/pypyjit/test_pypy_c/test_cprofile.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_cprofile.py
@@ -31,7 +31,7 @@
             # but all calls can be special-cased by the backend if
             # supported.  On 64-bit there is only the two calls to
             # read_timestamp.
-            r = re.compile(r" call[(]ConstClass[(](.+?)[)]")
+            r = re.compile(r" call_\w[(]ConstClass[(](.+?)[)]")
             calls = r.findall(repr(loop.ops_by_id(method)))
             if sys.maxint == 2147483647:
                 assert len(calls) == 6
diff --git a/pypy/module/pypyjit/test_pypy_c/test_ffi.py 
b/pypy/module/pypyjit/test_pypy_c/test_ffi.py
--- a/pypy/module/pypyjit/test_pypy_c/test_ffi.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_ffi.py
@@ -414,11 +414,7 @@
         guard_not_invalidated(descr=...)
         p163 = force_token()
         p164 = force_token()
-        p165 = getarrayitem_gc(p67, 0, descr=<ArrayP .>)
-        guard_value(p165, ConstPtr(ptr70), descr=...)
-        p166 = getfield_gc(p165, descr=<FieldP 
pypy.objspace.std.dictmultiobject.W_DictMultiObject.inst_strategy .+>)
-        guard_value(p166, ConstPtr(ptr72), descr=...)
-        p167 = call(ConstClass(_ll_0_alloc_with_del___), descr=<Callr . EF=5>)
+        p167 = call_r(ConstClass(_ll_0_alloc_with_del___), descr=<Callr . 
EF=5>)
         guard_no_exception(descr=...)
         i112 = int_signext(i160, 2)
         setfield_gc(p167, ConstPtr(ptr85), descr=<FieldP 
pypy.module._cffi_backend.cdataobj.W_CData.inst_ctype .+>)
@@ -426,11 +422,11 @@
         i114 = int_ne(i160, i112)
         guard_false(i114, descr=...)
         --TICK--
-        i119 = call(ConstClass(_ll_1_raw_malloc_varsize__Signed), 6, 
descr=<Calli . i EF=5 OS=110>)
+        i123 = arraylen_gc(p67, descr=<ArrayP .>)
+        i119 = call_i(ConstClass(_ll_1_raw_malloc_varsize__Signed), 6, 
descr=<Calli . i EF=5 OS=110>)
         raw_store(i119, 0, i160, descr=<ArrayS 2>)
         raw_store(i119, 2, i160, descr=<ArrayS 2>)
         raw_store(i119, 4, i160, descr=<ArrayS 2>)
         setfield_gc(p167, i119, descr=<FieldU 
pypy.module._cffi_backend.cdataobj.W_CData.inst__ptr .+>)
-        i123 = arraylen_gc(p67, descr=<ArrayP .>)
         jump(..., descr=...)
         """)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_generators.py 
b/pypy/module/pypyjit/test_pypy_c/test_generators.py
--- a/pypy/module/pypyjit/test_pypy_c/test_generators.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_generators.py
@@ -21,10 +21,10 @@
         assert loop.match_by_id("generator", """
             cond_call(..., descr=...)
             i16 = force_token()
-            p45 = new_with_vtable(ConstClass(W_IntObject))
+            p45 = new_with_vtable(descr=<.*>)
+            ifoo = arraylen_gc(p8, descr=<ArrayP .*>)
             setfield_gc(p45, i29, descr=<FieldS .*>)
             setarrayitem_gc(p8, 0, p45, descr=<ArrayP .>)
-            i47 = arraylen_gc(p8, descr=<ArrayP .>) # Should be removed by 
backend
             jump(..., descr=...)
             """)
         assert loop.match_by_id("subtract", """
@@ -50,10 +50,10 @@
         assert loop.match_by_id("generator", """
             cond_call(..., descr=...)
             i16 = force_token()
-            p45 = new_with_vtable(ConstClass(W_IntObject))
+            p45 = new_with_vtable(descr=<.*>)
+            i47 = arraylen_gc(p8, descr=<ArrayP .>) # Should be removed by 
backend
             setfield_gc(p45, i29, descr=<FieldS .*>)
             setarrayitem_gc(p8, 0, p45, descr=<ArrayP .>)
-            i47 = arraylen_gc(p8, descr=<ArrayP .>) # Should be removed by 
backend
             jump(..., descr=...)
             """)
         assert loop.match_by_id("subtract", """
diff --git a/pypy/module/pypyjit/test_pypy_c/test_globals.py 
b/pypy/module/pypyjit/test_pypy_c/test_globals.py
--- a/pypy/module/pypyjit/test_pypy_c/test_globals.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_globals.py
@@ -16,9 +16,9 @@
         assert log.result == 500
         loop, = log.loops_by_filename(self.filepath)
         assert loop.match_by_id("loadglobal", """
-            p12 = getfield_gc(p10, descr=<FieldP 
.*W_DictMultiObject.inst_strategy .*>)
+            p12 = getfield_gc_r(p10, descr=<FieldP 
.*W_DictMultiObject.inst_strategy .*>)
             guard_value(p12, ConstPtr(ptr13), descr=...)
             guard_not_invalidated(descr=...)
-            p19 = getfield_gc(ConstPtr(p17), descr=<FieldP 
.*W_DictMultiObject.inst_strategy .*>)
+            p19 = getfield_gc_r(ConstPtr(p17), descr=<FieldP 
.*W_DictMultiObject.inst_strategy .*>)
             guard_value(p19, ConstPtr(ptr20), descr=...)
         """)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_instance.py 
b/pypy/module/pypyjit/test_pypy_c/test_instance.py
--- a/pypy/module/pypyjit/test_pypy_c/test_instance.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_instance.py
@@ -106,7 +106,7 @@
         entry_bridge, = log.loops_by_filename(self.filepath, 
is_entry_bridge=True)
         ops = entry_bridge.ops_by_id('mutate', opcode='LOAD_ATTR')
         assert log.opnames(ops) == ['guard_value', 'guard_not_invalidated',
-                                    'getfield_gc']
+                                    'getfield_gc_i']
         # the STORE_ATTR is folded away
         assert list(entry_bridge.ops_by_id('meth1', opcode='STORE_ATTR')) == []
         #
@@ -124,7 +124,7 @@
             setfield_gc(ConstPtr(ptr39), i59, descr=...)
             i62 = int_lt(i61, 0)
             guard_false(i62, descr=...)
-            jump(p0, p1, p3, p6, p7, p12, i59, p18, i31, i59, descr=...)
+            jump(p0, p1, p3, p6, p7, p12, i59, p18, i31, i59, p100, descr=...)
         """)
 
     def test_mutate_class(self):
@@ -154,8 +154,8 @@
         entry_bridge, = log.loops_by_filename(self.filepath, 
is_entry_bridge=True)
         ops = entry_bridge.ops_by_id('mutate', opcode='LOAD_ATTR')
         assert log.opnames(ops) == ['guard_value', 'guard_not_invalidated',
-                                    'getfield_gc', 'guard_nonnull_class',
-                                    'getfield_gc', 'guard_value', # type check 
on the attribute
+                                    'getfield_gc_r', 'guard_nonnull_class',
+                                    'getfield_gc_r', 'guard_value', # type 
check on the attribute
                                     ]
         # the STORE_ATTR is folded away
         assert list(entry_bridge.ops_by_id('meth1', opcode='STORE_ATTR')) == []
@@ -167,7 +167,7 @@
             i70 = int_lt(i58, i33)
             guard_true(i70, descr=...)
             guard_not_invalidated(descr=...)
-            p71 = getfield_gc(p64, descr=...)
+            p71 = getfield_gc_r(p64, descr=...)
             guard_value(p71, ConstPtr(ptr42), descr=...)
             p72 = force_token()
             p73 = force_token()
@@ -175,7 +175,7 @@
             i75 = getfield_raw_i(..., descr=...)
             i76 = int_lt(i75, 0)
             guard_false(i76, descr=...)
-            p77 = new_with_vtable(...)
+            p77 = new_with_vtable(descr=...)
             setfield_gc(p77, p64, descr=...)
             setfield_gc(p77, ConstPtr(null), descr=...)
             setfield_gc(p77, ConstPtr(null), descr=...)
@@ -183,7 +183,7 @@
             setfield_gc(p77, ConstPtr(null), descr=...)
             setfield_gc(p77, ConstPtr(ptr42), descr=...)
             setfield_gc(ConstPtr(ptr69), p77, descr=...)
-            jump(p0, p1, p3, p6, p7, p12, i74, p20, p26, i33, p77, descr=...)
+            jump(p0, p1, p3, p6, p7, p12, i74, p20, p26, i33, p77, p100, 
descr=...)
 
         """)
 
@@ -209,11 +209,11 @@
         assert loop.match_by_id('loadattr1',
         '''
         guard_not_invalidated(descr=...)
-        i19 = call(ConstClass(ll_call_lookup_function), _, _, _, 0, descr=...)
+        i19 = call_i(ConstClass(ll_call_lookup_function), _, _, _, 0, 
descr=...)
         guard_no_exception(descr=...)
         i22 = int_lt(i19, 0)
         guard_true(i22, descr=...)
-        i26 = call(ConstClass(ll_call_lookup_function), _, _, _, 0, descr=...)
+        i26 = call_i(ConstClass(ll_call_lookup_function), _, _, _, 0, 
descr=...)
         guard_no_exception(descr=...)
         i29 = int_lt(i26, 0)
         guard_true(i29, descr=...)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_math.py 
b/pypy/module/pypyjit/test_pypy_c/test_math.py
--- a/pypy/module/pypyjit/test_pypy_c/test_math.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_math.py
@@ -23,8 +23,8 @@
             f1 = cast_int_to_float(i0)
             i3 = float_le(f1, 0.0)
             guard_false(i3, descr=...)
-            f2 = call(ConstClass(log), f1, descr=<Callf . f EF=2>)
-            f3 = call(ConstClass(log10), f1, descr=<Callf . f EF=2>)
+            f2 = call_f(ConstClass(log), f1, descr=<Callf . f EF=2>)
+            f3 = call_f(ConstClass(log10), f1, descr=<Callf . f EF=2>)
             f4 = float_sub(f2, f3)
             f5 = float_add(f0, f4)
             i4 = int_add(i0, 1)
@@ -52,8 +52,8 @@
             f1 = cast_int_to_float(i0)
             i6 = --ISINF--(f1)
             guard_false(i6, descr=...)
-            f2 = call(ConstClass(sin), f1, descr=<Callf . f EF=0>)
-            f3 = call(ConstClass(cos), f1, descr=<Callf . f EF=0>)
+            f2 = call_f(ConstClass(sin), f1, descr=<Callf . f EF=0>)
+            f3 = call_f(ConstClass(cos), f1, descr=<Callf . f EF=0>)
             f4 = float_sub(f2, f3)
             f5 = float_add(f0, f4)
             i7 = int_add(i0, 1)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_micronumpy.py 
b/pypy/module/pypyjit/test_pypy_c/test_micronumpy.py
--- a/pypy/module/pypyjit/test_pypy_c/test_micronumpy.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_micronumpy.py
@@ -101,39 +101,39 @@
         loop = log._filter(log.loops[0])
         assert loop.match("""
             guard_class(p1, #, descr=...)
-            p4 = getfield_gc_pure(p1, descr=<FieldP 
pypy.module.micronumpy.iterators.ArrayIter.inst_array \d+>)
-            i5 = getfield_gc(p0, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset \d+>)
-            p6 = getfield_gc_pure(p4, descr=<FieldP 
pypy.module.micronumpy.concrete.BaseConcreteArray.inst_dtype \d+>)
-            p7 = getfield_gc_pure(p6, descr=<FieldP 
pypy.module.micronumpy.descriptor.W_Dtype.inst_itemtype \d+>)
+            p4 = getfield_gc_pure_r(p1, descr=<FieldP 
pypy.module.micronumpy.iterators.ArrayIter.inst_array \d+>)
+            i5 = getfield_gc_i(p0, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset \d+>)
+            p6 = getfield_gc_pure_r(p4, descr=<FieldP 
pypy.module.micronumpy.concrete.BaseConcreteArray.inst_dtype \d+>)
+            p7 = getfield_gc_pure_r(p6, descr=<FieldP 
pypy.module.micronumpy.descriptor.W_Dtype.inst_itemtype \d+>)
             guard_class(p7, ConstClass(Float64), descr=...)
-            i9 = getfield_gc_pure(p4, descr=<FieldU 
pypy.module.micronumpy.concrete.BaseConcreteArray.inst_storage \d+>)
-            i10 = getfield_gc_pure(p6, descr=<FieldU 
pypy.module.micronumpy.descriptor.W_Dtype.inst_byteorder \d+>)
+            i9 = getfield_gc_pure_i(p4, descr=<FieldU 
pypy.module.micronumpy.concrete.BaseConcreteArray.inst_storage \d+>)
+            i10 = getfield_gc_pure_i(p6, descr=<FieldU 
pypy.module.micronumpy.descriptor.W_Dtype.inst_byteorder \d+>)
             i12 = int_eq(i10, 61)
             i14 = int_eq(i10, 60)
             i15 = int_or(i12, i14)
-            f16 = raw_load(i9, i5, descr=<ArrayF \d+>)
+            f16 = raw_load_f(i9, i5, descr=<ArrayF \d+>)
             guard_true(i15, descr=...)
             guard_not_invalidated(descr=...)
             i18 = float_ne(f16, 0.000000)
             guard_true(i18, descr=...)
             guard_nonnull_class(p2, ConstClass(W_BoolBox), descr=...)
-            i20 = getfield_gc_pure(p2, descr=<FieldU 
pypy.module.micronumpy.boxes.W_BoolBox.inst_value \d+>)
+            i20 = getfield_gc_pure_i(p2, descr=<FieldU 
pypy.module.micronumpy.boxes.W_BoolBox.inst_value \d+>)
             i21 = int_is_true(i20)
             guard_false(i21, descr=...)
-            i22 = getfield_gc(p0, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_index \d+>)
-            i23 = getfield_gc_pure(p1, descr=<FieldU 
pypy.module.micronumpy.iterators.ArrayIter.inst_track_index \d+>)
+            i22 = getfield_gc_i(p0, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_index \d+>)
+            i23 = getfield_gc_pure_i(p1, descr=<FieldU 
pypy.module.micronumpy.iterators.ArrayIter.inst_track_index \d+>)
             guard_true(i23, descr=...)
             i25 = int_add(i22, 1)
-            p26 = getfield_gc_pure(p0, descr=<FieldP 
pypy.module.micronumpy.iterators.IterState.inst__indices \d+>)
-            i27 = getfield_gc_pure(p1, descr=<FieldS 
pypy.module.micronumpy.iterators.ArrayIter.inst_contiguous \d+>)
+            p26 = getfield_gc_pure_r(p0, descr=<FieldP 
pypy.module.micronumpy.iterators.IterState.inst__indices \d+>)
+            i27 = getfield_gc_pure_i(p1, descr=<FieldS 
pypy.module.micronumpy.iterators.ArrayIter.inst_contiguous \d+>)
             i28 = int_is_true(i27)
             guard_true(i28, descr=...)
-            i29 = getfield_gc_pure(p6, descr=<FieldS 
pypy.module.micronumpy.descriptor.W_Dtype.inst_elsize \d+>)
+            i29 = getfield_gc_pure_i(p6, descr=<FieldS 
pypy.module.micronumpy.descriptor.W_Dtype.inst_elsize \d+>)
             i30 = int_add(i5, i29)
-            i31 = getfield_gc_pure(p1, descr=<FieldS 
pypy.module.micronumpy.iterators.ArrayIter.inst_size \d+>)
+            i31 = getfield_gc_pure_i(p1, descr=<FieldS 
pypy.module.micronumpy.iterators.ArrayIter.inst_size \d+>)
             i32 = int_ge(i25, i31)
             guard_false(i32, descr=...)
-            p34 = new_with_vtable(#)
+            p34 = new_with_vtable(descr=...)
             {{{
             setfield_gc(p34, p1, descr=<FieldP 
pypy.module.micronumpy.iterators.IterState.inst_iterator \d+>)
             setfield_gc(p34, i25, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_index \d+>)
@@ -154,13 +154,13 @@
         assert len(log.loops) == 1
         loop = log._filter(log.loops[0])
         assert loop.match("""
-            f31 = raw_load(i9, i29, descr=<ArrayF 8>)
+            f31 = raw_load_f(i9, i29, descr=<ArrayF 8>)
             guard_not_invalidated(descr=...)
             i32 = float_ne(f31, 0.000000)
             guard_true(i32, descr=...)
-            i34 = getarrayitem_raw(#, #, descr=<ArrayU 1>)  # XXX what are 
these?
+            i34 = getarrayitem_raw_i(#, #, descr=<ArrayU 1>)  # XXX what are 
these?
             guard_value(i34, #, descr=...)                  # XXX don't appear 
in
-            i35 = getarrayitem_raw(#, #, descr=<ArrayU 1>)  # XXX equiv 
test_zjit
+            i35 = getarrayitem_raw_i(#, #, descr=<ArrayU 1>)  # XXX equiv 
test_zjit
             i36 = int_add(i24, 1)
             i37 = int_add(i29, 8)
             i38 = int_ge(i36, i30)
@@ -198,7 +198,7 @@
             i78 = int_mul(i71, i61)
             i79 = int_add(i55, i78)
             """ + alignment_check + """
-            f80 = raw_load(i67, i79, descr=<ArrayF 8>)
+            f80 = raw_load_f(i67, i79, descr=<ArrayF 8>)
             i81 = int_add(i71, 1)
             --TICK--
             jump(..., descr=...)
@@ -235,12 +235,12 @@
             i83 = int_mul(i76, i64)
             i84 = int_add(i58, i83)
             """ + alignment_check + """
-            f85 = raw_load(i70, i84, descr=<ArrayF 8>)
+            f85 = raw_load_f(i70, i84, descr=<ArrayF 8>)
             guard_not_invalidated(descr=...)
             f86 = float_add(f74, f85)
             i87 = int_add(i76, 1)
             --TICK--
-            jump(p0, p1, p6, p7, p8, p11, p13, f86, p17, i87, i62, p42, i58, 
p48, i41, i64, i70, descr=...)
+            jump(..., descr=...)
         """)
 
     def test_array_flatiter_next(self):
@@ -262,7 +262,7 @@
             guard_not_invalidated(descr=...)
             i88 = int_ge(i87, i59)
             guard_false(i88, descr=...)
-            f90 = raw_load(i67, i89, descr=<ArrayF 8>)
+            f90 = raw_load_f(i67, i89, descr=<ArrayF 8>)
             i91 = int_add(i87, 1)
             i93 = int_add(i89, 8)
             i94 = int_add(i79, 1)
@@ -294,11 +294,11 @@
             guard_true(i126, descr=...)
             i128 = int_mul(i117, i59)
             i129 = int_add(i55, i128)
-            f149 = raw_load(i100, i129, descr=<ArrayF 8>)
+            f149 = raw_load_f(i100, i129, descr=<ArrayF 8>)
             i151 = int_add(i117, 1)
+            setfield_gc(p156, i55, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset .+>)
             setarrayitem_gc(p150, 1, 0, descr=<ArrayS .+>)
             setarrayitem_gc(p150, 0, 0, descr=<ArrayS .+>)
-            setfield_gc(p156, i55, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset .+>)
             --TICK--
             jump(..., descr=...)
         """)
@@ -327,9 +327,9 @@
             raw_store(i103, i132, 42.000000, descr=<ArrayF 8>)
             i153 = int_add(i120, 1)
             i154 = getfield_raw_i(#, descr=<FieldS pypysig_long_struct.c_value 
0>)
+            setfield_gc(p158, i53, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset .+>)
             setarrayitem_gc(p152, 1, 0, descr=<ArrayS .+>)
             setarrayitem_gc(p152, 0, 0, descr=<ArrayS .+>)
-            setfield_gc(p158, i53, descr=<FieldS 
pypy.module.micronumpy.iterators.IterState.inst_offset .+>)
             i157 = int_lt(i154, 0)
             guard_false(i157, descr=...)
             jump(..., descr=...)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_min_max.py 
b/pypy/module/pypyjit/test_pypy_c/test_min_max.py
--- a/pypy/module/pypyjit/test_pypy_c/test_min_max.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_min_max.py
@@ -38,7 +38,7 @@
         loop, = log.loops_by_filename(self.filepath)
         assert loop.match("""
             ...
-            p76 = call_assembler(_, _, _, _, descr=...)
+            p76 = call_assembler_r(_, _, _, _, descr=...)
             ...
         """)
         loop2 = log.loops[0]
@@ -50,11 +50,11 @@
         guard_not_invalidated?
         i17 = int_ge(i11, i7)
         guard_false(i17, descr=...)
-        p18 = getarrayitem_gc(p5, i11, descr=...)
+        p18 = getarrayitem_gc_r(p5, i11, descr=...)
         i19 = int_add(i11, 1)
         setfield_gc(p2, i19, descr=...)
         guard_nonnull_class(p18, ConstClass(W_IntObject), descr=...)
-        i20 = getfield_gc_pure(p18, descr=...)
+        i20 = getfield_gc_pure_i(p18, descr=...)
         i21 = int_gt(i20, i14)
         guard_true(i21, descr=...)
         jump(..., descr=...)
@@ -79,6 +79,6 @@
         assert len(guards) < 20
         assert loop.match("""
             ...
-            p76 = call_assembler(_, _, _, _, descr=...)
+            p76 = call_assembler_r(_, _, _, _, descr=...)
             ...
         """)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_misc.py 
b/pypy/module/pypyjit/test_pypy_c/test_misc.py
--- a/pypy/module/pypyjit/test_pypy_c/test_misc.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_misc.py
@@ -65,7 +65,7 @@
         assert loop.match("""
             i7 = int_gt(i4, 1)
             guard_true(i7, descr=...)
-            p11 = call(ConstClass(rbigint.int_mul), p5, i4, descr=...)
+            p11 = call_r(ConstClass(rbigint.int_mul), p5, i4, descr=...)
             guard_no_exception(descr=...)
             i13 = int_sub(i4, 1)
             --TICK--
@@ -113,14 +113,14 @@
             i12 = int_is_true(i4)
             guard_true(i12, descr=...)
             guard_not_invalidated(descr=...)
-            i13 = int_add_ovf(i8, i9)
-            guard_no_overflow(descr=...)
-            i10p = getfield_gc_pure(p10, descr=...)
+            i10p = getfield_gc_pure_i(p10, descr=...)
             i10 = int_mul_ovf(2, i10p)
             guard_no_overflow(descr=...)
             i14 = int_add_ovf(i13, i10)
             guard_no_overflow(descr=...)
-            setfield_gc(p7, p11, descr=...)
+            i13 = int_add_ovf(i14, i9)
+            guard_no_overflow(descr=...)
+            setfield_gc(p17, p10, descr=...)
             i17 = int_sub_ovf(i4, 1)
             guard_no_overflow(descr=...)
             --TICK--
@@ -148,6 +148,7 @@
         i18 = force_token()
         setfield_gc(p9, i17, descr=<.* .*W_XRangeIterator.inst_current .*>)
         guard_not_invalidated(descr=...)
+        i84 = int_sub(i14, 1)
         i21 = int_lt(i10, 0)
         guard_false(i21, descr=...)
         i22 = int_lt(i10, i14)
@@ -180,6 +181,7 @@
             i21 = force_token()
             setfield_gc(p4, i20, descr=<.* 
.*W_AbstractSeqIterObject.inst_index .*>)
             guard_not_invalidated?
+            i88 = int_sub(i9, 1)
             i25 = int_ge(i11, i9)
             guard_false(i25, descr=...)
             i27 = int_add_ovf(i7, i11)
@@ -212,6 +214,7 @@
             i21 = force_token()
             setfield_gc(p4, i20, descr=<.* 
.*W_AbstractSeqIterObject.inst_index .*>)
             guard_not_invalidated?
+            i95 = int_sub(i9, 1)
             i23 = int_lt(i18, 0)
             guard_false(i23, descr=...)
             i25 = int_ge(i18, i9)
@@ -260,25 +263,24 @@
         loop, = log.loops_by_filename(self.filepath)
         assert loop.match("""
             guard_not_invalidated?
-            i14 = getfield_gc(p12, descr=<FieldS list.length .*>)
             i16 = uint_ge(i12, i14)
             guard_false(i16, descr=...)
-            p16 = getfield_gc(p12, descr=<FieldP list.items .*>)
-            p17 = getarrayitem_gc(p16, i12, descr=<ArrayP .>)
+            p17 = getarrayitem_gc_r(p16, i12, descr=<ArrayP .>)
             i19 = int_add(i12, 1)
             setfield_gc(p9, i19, descr=<FieldS 
.*W_AbstractSeqIterObject.inst_index .*>)
             guard_nonnull_class(p17, ..., descr=...)
             guard_not_invalidated?
-            i21 = getfield_gc(p17, descr=<FieldS .*W_Array.*.inst_len .*>)
+            i21 = getfield_gc_i(p17, descr=<FieldS .*W_Array.*.inst_len .*>)
             i23 = int_lt(0, i21)
             guard_true(i23, descr=...)
-            i24 = getfield_gc(p17, descr=<FieldU .*W_ArrayTypei.inst_buffer 
.*>)
-            i25 = getarrayitem_raw(i24, 0, descr=<.*>)
+            i24 = getfield_gc_i(p17, descr=<FieldU .*W_ArrayTypei.inst_buffer 
.*>)
+            i25 = getarrayitem_raw_i(i24, 0, descr=<.*>)
             i27 = int_lt(1, i21)
             guard_false(i27, descr=...)
             i28 = int_add_ovf(i10, i25)
             guard_no_overflow(descr=...)
             --TICK--
+            if00 = arraylen_gc(p16, descr=...)
             jump(..., descr=...)
         """)
 
diff --git a/pypy/module/pypyjit/test_pypy_c/test_string.py 
b/pypy/module/pypyjit/test_pypy_c/test_string.py
--- a/pypy/module/pypyjit/test_pypy_c/test_string.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_string.py
@@ -43,9 +43,9 @@
             i25 = unicodegetitem(p13, i19)
             p27 = newstr(1)
             strsetitem(p27, 0, i23)
-            p30 = call(ConstClass(ll_str2unicode__rpy_stringPtr), p27, 
descr=...)
+            p30 = call_r(ConstClass(ll_str2unicode__rpy_stringPtr), p27, 
descr=...)
             guard_no_exception(descr=...)
-            i32 = 
call(ConstClass(_ll_2_str_eq_checknull_char__rpy_unicodePtr_UniChar), p30, i25, 
descr=...)
+            i32 = 
call_i(ConstClass(_ll_2_str_eq_checknull_char__rpy_unicodePtr_UniChar), p30, 
i25, descr=...)
             guard_true(i32, descr=...)
             i34 = int_add(i6, 1)
             --TICK--
@@ -80,12 +80,12 @@
             i23 = strgetitem(p10, i19)
             p25 = newstr(1)
             strsetitem(p25, 0, i23)
-            p93 = call(ConstClass(fromstr), p25, 16, descr=<Callr . ri EF=4>)
+            p93 = call_r(ConstClass(fromstr), p25, 16, descr=<Callr . ri EF=4>)
             guard_no_exception(descr=...)
-            i95 = getfield_gc_pure(p93, descr=<FieldS 
rpython.rlib.rbigint.rbigint.inst_size .*>)
+            i95 = getfield_gc_pure_i(p93, descr=<FieldS 
rpython.rlib.rbigint.rbigint.inst_size .*>)
             i96 = int_gt(i95, #)
             guard_false(i96, descr=...)
-            i94 = call(ConstClass(rbigint._toint_helper), p93, descr=<Calli . 
r EF=4>)
+            i94 = call_i(ConstClass(rbigint._toint_helper), p93, descr=<Calli 
. r EF=4>)
             guard_no_exception(descr=...)
             i95 = int_add_ovf(i6, i94)
             guard_no_overflow(descr=...)
@@ -108,7 +108,7 @@
             i79 = int_gt(i74, 0)
             guard_true(i79, descr=...)
             guard_not_invalidated(descr=...)
-            p80 = call(ConstClass(ll_int2dec__Signed), i74, descr=<Callr . i 
EF=3>)
+            p80 = call_r(ConstClass(ll_int2dec__Signed), i74, descr=<Callr . i 
EF=3>)
             guard_no_exception(descr=...)
             i85 = strlen(p80)
             p86 = new(descr=<SizeDescr .+>)
@@ -119,21 +119,21 @@
             setfield_gc(p86, 23, descr=<FieldS stringbuilder.current_end .+>)
             setfield_gc(p86, 23, descr=<FieldS stringbuilder.total_size .+>)
             }}}
-            call(ConstClass(ll_append_res0__stringbuilderPtr_rpy_stringPtr), 
p86, p80, descr=<Callv 0 rr EF=5>)
+            call_n(ConstClass(ll_append_res0__stringbuilderPtr_rpy_stringPtr), 
p86, p80, descr=<Callv 0 rr EF=5>)
             guard_no_exception(descr=...)
-            i89 = getfield_gc(p86, descr=<FieldS stringbuilder.current_pos .+>)
-            i90 = getfield_gc(p86, descr=<FieldS stringbuilder.current_end .+>)
+            i89 = getfield_gc_i(p86, descr=<FieldS stringbuilder.current_pos 
.+>)
+            i90 = getfield_gc_i(p86, descr=<FieldS stringbuilder.current_end 
.+>)
             i91 = int_eq(i89, i90)
             cond_call(i91, ConstClass(ll_grow_by__stringbuilderPtr_Signed), 
p86, 1, descr=<Callv 0 ri EF=5>)
             guard_no_exception(descr=...)
-            i92 = getfield_gc(p86, descr=<FieldS stringbuilder.current_pos .+>)
+            i92 = getfield_gc_i(p86, descr=<FieldS stringbuilder.current_pos 
.+>)
             i93 = int_add(i92, 1)
-            p94 = getfield_gc(p86, descr=<FieldP stringbuilder.current_buf .+>)
+            p94 = getfield_gc_r(p86, descr=<FieldP stringbuilder.current_buf 
.+>)
             strsetitem(p94, i92, 32)
             setfield_gc(p86, i93, descr=<FieldS stringbuilder.current_pos .+>)
-            call(ConstClass(ll_append_res0__stringbuilderPtr_rpy_stringPtr), 
p86, p80, descr=<Callv 0 rr EF=5>)
+            call_n(ConstClass(ll_append_res0__stringbuilderPtr_rpy_stringPtr), 
p86, p80, descr=<Callv 0 rr EF=5>)
             guard_no_exception(descr=...)
-            p95 = call(..., descr=<Callr . r EF=5>)     # ll_build
+            p95 = call_r(..., descr=<Callr . r EF=5>)     # ll_build
             guard_no_exception(descr=...)
             i96 = strlen(p95)
             i97 = int_add_ovf(i71, i96)
@@ -176,7 +176,7 @@
             strsetitem(p35, 3, 104)
             strsetitem(p35, 4, 95)
             copystrcontent(p31, p35, 0, 5, i32)
-            i49 = 
call(ConstClass(_ll_2_str_eq_nonnull__rpy_stringPtr_rpy_stringPtr), p35, 
ConstPtr(ptr48), descr=<Calli [48] rr EF=0 OS=28>)
+            i49 = 
call_i(ConstClass(_ll_2_str_eq_nonnull__rpy_stringPtr_rpy_stringPtr), p35, 
ConstPtr(ptr48), descr=<Calli [48] rr EF=0 OS=28>)
             guard_value(i49, 1, descr=...)
             ''')
 
@@ -195,7 +195,7 @@
         loops = log.loops_by_filename(self.filepath)
         loop, = loops
         assert loop.match_by_id('callone', '''
-            p114 = call(ConstClass(ll_lower__rpy_stringPtr), p113, 
descr=<Callr . r EF=3>)
+            p114 = call_r(ConstClass(ll_lower__rpy_stringPtr), p113, 
descr=<Callr . r EF=3>)
             guard_no_exception(descr=...)
             ''')
         assert loop.match_by_id('calltwo', '')    # nothing
@@ -248,9 +248,9 @@
         i50 = int_add(i47, 1)
         setfield_gc(p15, i50, descr=<FieldS 
pypy.module.__builtin__.functional.W_XRangeIterator.inst_current 8>)
         guard_not_invalidated(descr=...)
-        p80 = call(ConstClass(ll_str__IntegerR_SignedConst_Signed), i47, 
descr=<Callr . i EF=3>)
+        p80 = call_r(ConstClass(ll_str__IntegerR_SignedConst_Signed), i47, 
descr=<Callr . i EF=3>)
         guard_no_exception(descr=...)
-        p53 = call(ConstClass(fast_str_decode_ascii), p80, descr=<Callr . r 
EF=4>)
+        p53 = call_r(ConstClass(fast_str_decode_ascii), p80, descr=<Callr . r 
EF=4>)
         guard_no_exception(descr=...)
         guard_nonnull(p53, descr=...)
         --TICK--
diff --git a/pypy/module/pypyjit/test_pypy_c/test_thread.py 
b/pypy/module/pypyjit/test_pypy_c/test_thread.py
--- a/pypy/module/pypyjit/test_pypy_c/test_thread.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_thread.py
@@ -64,11 +64,11 @@
         guard_true(i56, descr=...)
         p57 = force_token()
         setfield_gc(p0, p57, descr=<FieldP 
pypy.interpreter.pyframe.PyFrame.vable_token 8>)
-        i58 = call_release_gil(0, _, i37, 1, descr=<Calli 4 ii EF=7>)
+        i58 = call_release_gil_i(0, _, i37, 1, descr=<Calli 4 ii EF=7>)
         guard_not_forced(descr=...)
         guard_no_exception(descr=...)
         i58 = int_sub(i44, 1)
-        i59 = call(ConstClass(RPyThreadReleaseLock), i37, descr=<Calli . i 
EF=2>)
+        i59 = call_i(ConstClass(RPyThreadReleaseLock), i37, descr=<Calli . i 
EF=2>)
         i60 = int_is_true(i59)
         guard_false(i60, descr=...)
         guard_not_invalidated(descr=...)
diff --git a/pypy/module/pypyjit/test_pypy_c/test_weakref.py 
b/pypy/module/pypyjit/test_pypy_c/test_weakref.py
--- a/pypy/module/pypyjit/test_pypy_c/test_weakref.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_weakref.py
@@ -19,23 +19,23 @@
         """, [500])
         loop, = log.loops_by_filename(self.filepath)
         assert loop.match("""
-        i58 = getfield_gc(p18, descr=<FieldS 
pypy.module.__builtin__.functional.W_XRangeIterator.inst_current .>)
+        i58 = getfield_gc_i(p18, descr=<FieldS 
pypy.module.__builtin__.functional.W_XRangeIterator.inst_current .>)
         i60 = int_lt(i58, i31)
         guard_true(i60, descr=...)
         i61 = int_add(i58, 1)
-        p62 = getfield_gc(ConstPtr(ptr37), descr=<FieldP 
pypy.objspace.std.dictmultiobject.W_DictMultiObject.inst_strategy \d+>)
+        p62 = getfield_gc_r(ConstPtr(ptr37), descr=<FieldP 
pypy.objspace.std.dictmultiobject.W_DictMultiObject.inst_strategy \d+>)
         setfield_gc(p18, i61, descr=<FieldS 
pypy.module.__builtin__.functional.W_XRangeIterator.inst_current 8>)
         guard_value(p62, ConstPtr(ptr39), descr=...)
         guard_not_invalidated(descr=...)
-        p64 = getfield_gc(ConstPtr(ptr40), descr=<FieldP 
pypy.objspace.std.dictmultiobject.W_DictMultiObject.inst_strategy \d+>)
+        p64 = getfield_gc_r(ConstPtr(ptr40), descr=<FieldP 
pypy.objspace.std.dictmultiobject.W_DictMultiObject.inst_strategy \d+>)
         guard_value(p64, ConstPtr(ptr42), descr=...)
-        p65 = getfield_gc(p14, descr=<FieldP 
pypy.objspace.std.mapdict.W_ObjectObjectSize5.inst_map \d+>)
+        p65 = getfield_gc_r(p14, descr=<FieldP 
pypy.objspace.std.mapdict.W_ObjectObjectSize5.inst_map \d+>)
         guard_value(p65, ConstPtr(ptr45), descr=...)
-        p66 = getfield_gc(p14, descr=<FieldP 
pypy.objspace.std.mapdict.W_ObjectObjectSize5.inst__value0 \d+>)
+        p66 = getfield_gc_r(p14, descr=<FieldP 
pypy.objspace.std.mapdict.W_ObjectObjectSize5.inst__value0 \d+>)
         guard_nonnull_class(p66, ..., descr=...)
         p67 = force_token()
         setfield_gc(p0, p67, descr=<FieldP 
pypy.interpreter.pyframe.PyFrame.vable_token \d+>)
-        p68 = 
call_may_force(ConstClass(WeakrefLifelineWithCallbacks.make_weakref_with_callback),
 p66, ConstPtr(ptr50), p14, ConstPtr(ptr51), descr=<Callr \d rrrr EF=7>)
+        p68 = 
call_may_force_r(ConstClass(WeakrefLifelineWithCallbacks.make_weakref_with_callback),
 p66, ConstPtr(ptr50), p14, ConstPtr(ptr51), descr=<Callr \d rrrr EF=7>)
         guard_not_forced(descr=...)
         guard_no_exception(descr=...)
         guard_nonnull_class(p68, ..., descr=...)
diff --git a/pypy/module/thread/test/test_lock.py 
b/pypy/module/thread/test/test_lock.py
--- a/pypy/module/thread/test/test_lock.py
+++ b/pypy/module/thread/test/test_lock.py
@@ -123,23 +123,26 @@
             self.sig_recvd = True
         old_handler = signal.signal(signal.SIGUSR1, my_handler)
         try:
+            ready = thread.allocate_lock()
+            ready.acquire()
             def other_thread():
                 # Acquire the lock in a non-main thread, so this test works for
                 # RLocks.
                 lock.acquire()
-                # Wait until the main thread is blocked in the lock acquire, 
and
-                # then wake it up with this.
-                time.sleep(0.5)
+                # Notify the main thread that we're ready
+                ready.release()
+                # Wait for 5 seconds here
+                for n in range(50):
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