[pypy-commit] pypy default: merge default

fijal noreply at buildbot.pypy.org
Tue Oct 25 15:41:47 CEST 2011


Author: Maciej Fijalkowski <fijall at gmail.com>
Branch: 
Changeset: r48432:f5825eff38c3
Date: 2011-10-25 15:41 +0200
http://bitbucket.org/pypy/pypy/changeset/f5825eff38c3/

Log:	merge default

diff --git a/pypy/jit/backend/x86/assembler.py b/pypy/jit/backend/x86/assembler.py
--- a/pypy/jit/backend/x86/assembler.py
+++ b/pypy/jit/backend/x86/assembler.py
@@ -1276,8 +1276,8 @@
     genop_int_ne = _cmpop("NE", "NE")
     genop_int_gt = _cmpop("G", "L")
     genop_int_ge = _cmpop("GE", "LE")
-    genop_ptr_eq = genop_int_eq
-    genop_ptr_ne = genop_int_ne
+    genop_ptr_eq = genop_instance_ptr_eq = genop_int_eq
+    genop_ptr_ne = genop_instance_ptr_ne = genop_int_ne
 
     genop_float_lt = _cmpop_float('B', 'A')
     genop_float_le = _cmpop_float('BE', 'AE')
@@ -1297,8 +1297,8 @@
     genop_guard_int_ne = _cmpop_guard("NE", "NE", "E", "E")
     genop_guard_int_gt = _cmpop_guard("G", "L", "LE", "GE")
     genop_guard_int_ge = _cmpop_guard("GE", "LE", "L", "G")
-    genop_guard_ptr_eq = genop_guard_int_eq
-    genop_guard_ptr_ne = genop_guard_int_ne
+    genop_guard_ptr_eq = genop_guard_instance_ptr_eq = genop_guard_int_eq
+    genop_guard_ptr_ne = genop_guard_instance_ptr_ne = genop_guard_int_ne
 
     genop_guard_uint_gt = _cmpop_guard("A", "B", "BE", "AE")
     genop_guard_uint_lt = _cmpop_guard("B", "A", "AE", "BE")
diff --git a/pypy/jit/backend/x86/regalloc.py b/pypy/jit/backend/x86/regalloc.py
--- a/pypy/jit/backend/x86/regalloc.py
+++ b/pypy/jit/backend/x86/regalloc.py
@@ -651,8 +651,8 @@
     consider_uint_lt = _consider_compop
     consider_uint_le = _consider_compop
     consider_uint_ge = _consider_compop
-    consider_ptr_eq = _consider_compop
-    consider_ptr_ne = _consider_compop
+    consider_ptr_eq = consider_instance_ptr_eq = _consider_compop
+    consider_ptr_ne = consider_instance_ptr_ne = _consider_compop
 
     def _consider_float_op(self, op):
         loc1 = self.xrm.loc(op.getarg(1))
diff --git a/pypy/jit/codewriter/jtransform.py b/pypy/jit/codewriter/jtransform.py
--- a/pypy/jit/codewriter/jtransform.py
+++ b/pypy/jit/codewriter/jtransform.py
@@ -800,6 +800,9 @@
     def _is_gc(self, v):
         return getattr(getattr(v.concretetype, "TO", None), "_gckind", "?") == 'gc'
 
+    def _is_rclass_instance(self, v):
+        return lltype._castdepth(v.concretetype.TO, rclass.OBJECT) >= 0
+
     def _rewrite_cmp_ptrs(self, op):
         if self._is_gc(op.args[0]):
             return op
@@ -817,11 +820,21 @@
         return self._rewrite_equality(op, 'int_is_true')
 
     def rewrite_op_ptr_eq(self, op):
-        op1 = self._rewrite_equality(op, 'ptr_iszero')
+        prefix = ''
+        if self._is_rclass_instance(op.args[0]):
+            assert self._is_rclass_instance(op.args[1])
+            op = SpaceOperation('instance_ptr_eq', op.args, op.result)
+            prefix = 'instance_'
+        op1 = self._rewrite_equality(op, prefix + 'ptr_iszero')
         return self._rewrite_cmp_ptrs(op1)
 
     def rewrite_op_ptr_ne(self, op):
-        op1 = self._rewrite_equality(op, 'ptr_nonzero')
+        prefix = ''
+        if self._is_rclass_instance(op.args[0]):
+            assert self._is_rclass_instance(op.args[1])
+            op = SpaceOperation('instance_ptr_ne', op.args, op.result)
+            prefix = 'instance_'
+        op1 = self._rewrite_equality(op, prefix + 'ptr_nonzero')
         return self._rewrite_cmp_ptrs(op1)
 
     rewrite_op_ptr_iszero = _rewrite_cmp_ptrs
diff --git a/pypy/jit/codewriter/test/test_jtransform.py b/pypy/jit/codewriter/test/test_jtransform.py
--- a/pypy/jit/codewriter/test/test_jtransform.py
+++ b/pypy/jit/codewriter/test/test_jtransform.py
@@ -576,10 +576,10 @@
         assert op1.args == [v2]
 
 def test_ptr_eq():
-    v1 = varoftype(rclass.OBJECTPTR)
-    v2 = varoftype(rclass.OBJECTPTR)
+    v1 = varoftype(lltype.Ptr(rstr.STR))
+    v2 = varoftype(lltype.Ptr(rstr.STR))
     v3 = varoftype(lltype.Bool)
-    c0 = const(lltype.nullptr(rclass.OBJECT))
+    c0 = const(lltype.nullptr(rstr.STR))
     #
     for opname, reducedname in [('ptr_eq', 'ptr_iszero'),
                                 ('ptr_ne', 'ptr_nonzero')]:
@@ -598,6 +598,31 @@
         assert op1.opname == reducedname
         assert op1.args == [v2]
 
+def test_instance_ptr_eq():
+    v1 = varoftype(rclass.OBJECTPTR)
+    v2 = varoftype(rclass.OBJECTPTR)
+    v3 = varoftype(lltype.Bool)
+    c0 = const(lltype.nullptr(rclass.OBJECT))
+
+    for opname, newopname, reducedname in [
+        ('ptr_eq', 'instance_ptr_eq', 'instance_ptr_iszero'),
+        ('ptr_ne', 'instance_ptr_ne', 'instance_ptr_nonzero')
+    ]:
+        op = SpaceOperation(opname, [v1, v2], v3)
+        op1 = Transformer().rewrite_operation(op)
+        assert op1.opname == newopname
+        assert op1.args == [v1, v2]
+
+        op = SpaceOperation(opname, [v1, c0], v3)
+        op1 = Transformer().rewrite_operation(op)
+        assert op1.opname == reducedname
+        assert op1.args == [v1]
+
+        op = SpaceOperation(opname, [c0, v1], v3)
+        op1 = Transformer().rewrite_operation(op)
+        assert op1.opname == reducedname
+        assert op1.args == [v1]
+
 def test_nongc_ptr_eq():
     v1 = varoftype(rclass.NONGCOBJECTPTR)
     v2 = varoftype(rclass.NONGCOBJECTPTR)
diff --git a/pypy/jit/metainterp/blackhole.py b/pypy/jit/metainterp/blackhole.py
--- a/pypy/jit/metainterp/blackhole.py
+++ b/pypy/jit/metainterp/blackhole.py
@@ -499,6 +499,12 @@
     @arguments("r", returns="i")
     def bhimpl_ptr_nonzero(a):
         return bool(a)
+    @arguments("r", "r", returns="i")
+    def bhimpl_instance_ptr_eq(a, b):
+        return a == b
+    @arguments("r", "r", returns="i")
+    def bhimpl_instance_ptr_ne(a, b):
+        return a != b
     @arguments("r", returns="r")
     def bhimpl_cast_opaque_ptr(a):
         return a
diff --git a/pypy/jit/metainterp/optimizeopt/rewrite.py b/pypy/jit/metainterp/optimizeopt/rewrite.py
--- a/pypy/jit/metainterp/optimizeopt/rewrite.py
+++ b/pypy/jit/metainterp/optimizeopt/rewrite.py
@@ -337,7 +337,7 @@
     def optimize_INT_IS_ZERO(self, op):
         self._optimize_nullness(op, op.getarg(0), False)
 
-    def _optimize_oois_ooisnot(self, op, expect_isnot):
+    def _optimize_oois_ooisnot(self, op, expect_isnot, instance):
         value0 = self.getvalue(op.getarg(0))
         value1 = self.getvalue(op.getarg(1))
         if value0.is_virtual():
@@ -355,21 +355,28 @@
         elif value0 is value1:
             self.make_constant_int(op.result, not expect_isnot)
         else:
-            cls0 = value0.get_constant_class(self.optimizer.cpu)
-            if cls0 is not None:
-                cls1 = value1.get_constant_class(self.optimizer.cpu)
-                if cls1 is not None and not cls0.same_constant(cls1):
-                    # cannot be the same object, as we know that their
-                    # class is different
-                    self.make_constant_int(op.result, expect_isnot)
-                    return
+            if instance:
+                cls0 = value0.get_constant_class(self.optimizer.cpu)
+                if cls0 is not None:
+                    cls1 = value1.get_constant_class(self.optimizer.cpu)
+                    if cls1 is not None and not cls0.same_constant(cls1):
+                        # cannot be the same object, as we know that their
+                        # class is different
+                        self.make_constant_int(op.result, expect_isnot)
+                        return
             self.emit_operation(op)
 
+    def optimize_PTR_EQ(self, op):
+        self._optimize_oois_ooisnot(op, False, False)
+
     def optimize_PTR_NE(self, op):
-        self._optimize_oois_ooisnot(op, True)
+        self._optimize_oois_ooisnot(op, True, False)
 
-    def optimize_PTR_EQ(self, op):
-        self._optimize_oois_ooisnot(op, False)
+    def optimize_INSTANCE_PTR_EQ(self, op):
+        self._optimize_oois_ooisnot(op, False, True)
+
+    def optimize_INSTANCE_PTR_NE(self, op):
+        self._optimize_oois_ooisnot(op, True, True)
 
 ##    def optimize_INSTANCEOF(self, op):
 ##        value = self.getvalue(op.args[0])
diff --git a/pypy/jit/metainterp/optimizeopt/test/test_optimizebasic.py b/pypy/jit/metainterp/optimizeopt/test/test_optimizebasic.py
--- a/pypy/jit/metainterp/optimizeopt/test/test_optimizebasic.py
+++ b/pypy/jit/metainterp/optimizeopt/test/test_optimizebasic.py
@@ -508,13 +508,13 @@
         ops = """
         [p0]
         guard_class(p0, ConstClass(node_vtable)) []
-        i0 = ptr_ne(p0, NULL)
+        i0 = instance_ptr_ne(p0, NULL)
         guard_true(i0) []
-        i1 = ptr_eq(p0, NULL)
+        i1 = instance_ptr_eq(p0, NULL)
         guard_false(i1) []
-        i2 = ptr_ne(NULL, p0)
+        i2 = instance_ptr_ne(NULL, p0)
         guard_true(i0) []
-        i3 = ptr_eq(NULL, p0)
+        i3 = instance_ptr_eq(NULL, p0)
         guard_false(i1) []
         jump(p0)
         """
@@ -2026,7 +2026,7 @@
         ops = """
         [p1]
         guard_class(p1, ConstClass(node_vtable2)) []
-        i = ptr_ne(ConstPtr(myptr), p1)
+        i = instance_ptr_ne(ConstPtr(myptr), p1)
         guard_true(i) []
         jump(p1)
         """
diff --git a/pypy/jit/metainterp/optimizeopt/test/test_optimizeopt.py b/pypy/jit/metainterp/optimizeopt/test/test_optimizeopt.py
--- a/pypy/jit/metainterp/optimizeopt/test/test_optimizeopt.py
+++ b/pypy/jit/metainterp/optimizeopt/test/test_optimizeopt.py
@@ -2683,7 +2683,7 @@
         ops = """
         [p1]
         guard_class(p1, ConstClass(node_vtable2)) []
-        i = ptr_ne(ConstPtr(myptr), p1)
+        i = instance_ptr_ne(ConstPtr(myptr), p1)
         guard_true(i) []
         jump(p1)
         """
@@ -3331,7 +3331,7 @@
         jump(p1, i1, i2, i6)
         '''
         self.optimize_loop(ops, expected, preamble)
-        
+
 
     # ----------
 
@@ -7280,7 +7280,7 @@
         ops = """
         [p1, p2]
         setarrayitem_gc(p1, 2, 10, descr=arraydescr)
-        setarrayitem_gc(p2, 3, 13, descr=arraydescr)        
+        setarrayitem_gc(p2, 3, 13, descr=arraydescr)
         call(0, p1, p2, 0, 0, 10, descr=arraycopydescr)
         jump(p1, p2)
         """
diff --git a/pypy/jit/metainterp/pyjitpl.py b/pypy/jit/metainterp/pyjitpl.py
--- a/pypy/jit/metainterp/pyjitpl.py
+++ b/pypy/jit/metainterp/pyjitpl.py
@@ -165,7 +165,7 @@
         if not we_are_translated():
             for b in registers[count:]:
                 assert not oldbox.same_box(b)
-                
+
 
     def make_result_of_lastop(self, resultbox):
         got_type = resultbox.type
@@ -199,7 +199,7 @@
                     'float_add', 'float_sub', 'float_mul', 'float_truediv',
                     'float_lt', 'float_le', 'float_eq',
                     'float_ne', 'float_gt', 'float_ge',
-                    'ptr_eq', 'ptr_ne',
+                    'ptr_eq', 'ptr_ne', 'instance_ptr_eq', 'instance_ptr_ne',
                     ]:
         exec py.code.Source('''
             @arguments("box", "box")
@@ -604,7 +604,7 @@
     opimpl_setinteriorfield_gc_i = _opimpl_setinteriorfield_gc_any
     opimpl_setinteriorfield_gc_f = _opimpl_setinteriorfield_gc_any
     opimpl_setinteriorfield_gc_r = _opimpl_setinteriorfield_gc_any
-                                
+
 
     @arguments("box", "descr")
     def _opimpl_getfield_raw_any(self, box, fielddescr):
diff --git a/pypy/jit/metainterp/resoperation.py b/pypy/jit/metainterp/resoperation.py
--- a/pypy/jit/metainterp/resoperation.py
+++ b/pypy/jit/metainterp/resoperation.py
@@ -437,6 +437,8 @@
     #
     'PTR_EQ/2b',
     'PTR_NE/2b',
+    'INSTANCE_PTR_EQ/2b',
+    'INSTANCE_PTR_NE/2b',
     'CAST_OPAQUE_PTR/1b',
     #
     'ARRAYLEN_GC/1d',
diff --git a/pypy/jit/metainterp/test/test_ajit.py b/pypy/jit/metainterp/test/test_ajit.py
--- a/pypy/jit/metainterp/test/test_ajit.py
+++ b/pypy/jit/metainterp/test/test_ajit.py
@@ -3436,7 +3436,7 @@
         res = self.meta_interp(f, [16])
         assert res == f(16)
 
-    def test_ptr_eq_str_constants(self):
+    def test_ptr_eq(self):
         myjitdriver = JitDriver(greens = [], reds = ["n", "x"])
         class A(object):
             def __init__(self, v):
@@ -3452,6 +3452,42 @@
         res = self.meta_interp(f, [10, 1])
         assert res == 0
 
+    def test_instance_ptr_eq(self):
+        myjitdriver = JitDriver(greens = [], reds = ["n", "i", "a1", "a2"])
+        class A(object):
+            pass
+        def f(n):
+            a1 = A()
+            a2 = A()
+            i = 0
+            while n > 0:
+                myjitdriver.jit_merge_point(n=n, i=i, a1=a1, a2=a2)
+                if n % 2:
+                    a = a2
+                else:
+                    a = a1
+                i += a is a1
+                n -= 1
+            return i
+        res = self.meta_interp(f, [10])
+        assert res == f(10)
+        def f(n):
+            a1 = A()
+            a2 = A()
+            i = 0
+            while n > 0:
+                myjitdriver.jit_merge_point(n=n, i=i, a1=a1, a2=a2)
+                if n % 2:
+                    a = a2
+                else:
+                    a = a1
+                if a is a2:
+                    i += 1
+                n -= 1
+            return i
+        res = self.meta_interp(f, [10])
+        assert res == f(10)
+
     def test_virtual_array_of_structs(self):
         myjitdriver = JitDriver(greens = [], reds=["n", "d"])
         def f(n):


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