[pypy-commit] pypy jit-optimizeopt-cleanups: Force most virtuals in OptEarlyForce. This makes the heap optimizer aware of the setitems produced by foring.
hakanardo
noreply at buildbot.pypy.org
Thu Sep 29 20:00:56 CEST 2011
Author: Hakan Ardo <hakan at debian.org>
Branch: jit-optimizeopt-cleanups
Changeset: r47688:c90c3e62b416
Date: 2011-09-29 20:00 +0200
http://bitbucket.org/pypy/pypy/changeset/c90c3e62b416/
Log: Force most virtuals in OptEarlyForce. This makes the heap optimizer
aware of the setitems produced by foring.
diff --git a/pypy/jit/metainterp/optimizeopt/earlyforce.py b/pypy/jit/metainterp/optimizeopt/earlyforce.py
--- a/pypy/jit/metainterp/optimizeopt/earlyforce.py
+++ b/pypy/jit/metainterp/optimizeopt/earlyforce.py
@@ -1,12 +1,17 @@
from pypy.jit.metainterp.optimizeopt.optimizer import Optimization
from pypy.jit.metainterp.optimizeopt.vstring import VAbstractStringValue
+from pypy.jit.metainterp.resoperation import rop, ResOperation
class OptEarlyForce(Optimization):
def propagate_forward(self, op):
- for arg in op.getarglist():
- if arg in self.optimizer.values:
- value = self.getvalue(arg)
- if isinstance(value, VAbstractStringValue):
+ opnum = op.getopnum()
+ if (opnum != rop.SETFIELD_GC and
+ opnum != rop.SETARRAYITEM_GC and
+ opnum != rop.QUASIIMMUT_FIELD):
+
+ for arg in op.getarglist():
+ if arg in self.optimizer.values:
+ value = self.getvalue(arg)
value.force_box(self)
self.emit_operation(op)
diff --git a/pypy/jit/metainterp/optimizeopt/heap.py b/pypy/jit/metainterp/optimizeopt/heap.py
--- a/pypy/jit/metainterp/optimizeopt/heap.py
+++ b/pypy/jit/metainterp/optimizeopt/heap.py
@@ -370,9 +370,6 @@
cf.remember_field_value(structvalue, fieldvalue, op)
def optimize_SETFIELD_GC(self, op):
- if op in self.optimizer.volatile:
- self.emit_operation(op)
- return
if self.has_pure_result(rop.GETFIELD_GC_PURE, [op.getarg(0)],
op.getdescr()):
os.write(2, '[bogus _immutable_field_ declaration: %s]\n' %
@@ -414,9 +411,6 @@
(op.getdescr().repr_of_descr()))
raise BogusPureField
#
- if op in self.optimizer.volatile:
- self.emit_operation(op)
- return
indexvalue = self.getvalue(op.getarg(1))
if indexvalue.is_constant():
arrayvalue = self.getvalue(op.getarg(0))
diff --git a/pypy/jit/metainterp/optimizeopt/optimizer.py b/pypy/jit/metainterp/optimizeopt/optimizer.py
--- a/pypy/jit/metainterp/optimizeopt/optimizer.py
+++ b/pypy/jit/metainterp/optimizeopt/optimizer.py
@@ -246,10 +246,6 @@
def emit_operation(self, op):
self.next_optimization.propagate_forward(op)
- def emit_volatile_operation(self, op):
- self.optimizer.volatile[op] = True
- self.emit_operation(op)
-
# FIXME: Move some of these here?
def getvalue(self, box):
return self.optimizer.getvalue(box)
@@ -335,7 +331,6 @@
self.opaque_pointers = {}
self.replaces_guard = {}
self.newoperations = []
- self.volatile = {}
self.optimizer = self
self.optpure = None
self.optearlyforce = None
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
@@ -652,8 +652,8 @@
i3 = getfield_gc(p3, descr=valuedescr)
escape(i3)
p1 = new_with_vtable(ConstClass(node_vtable))
+ p1sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p1, i1, descr=valuedescr)
- p1sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p1sub, i1, descr=valuedescr)
setfield_gc(p1, p1sub, descr=nextdescr)
jump(i1, p1, p2)
@@ -668,10 +668,10 @@
p3sub = getfield_gc(p3, descr=nextdescr)
i3 = getfield_gc(p3sub, descr=valuedescr)
escape(i3)
+ p1 = new_with_vtable(ConstClass(node_vtable))
p2sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p2sub, i1, descr=valuedescr)
setfield_gc(p2, p2sub, descr=nextdescr)
- p1 = new_with_vtable(ConstClass(node_vtable))
jump(i1, p1, p2)
"""
# The same as test_p123_simple, but in the end the "old" p2 contains
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
@@ -825,8 +825,8 @@
i3 = getfield_gc(p2, descr=valuedescr)
escape(i3)
p4 = new_with_vtable(ConstClass(node_vtable))
+ p1sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p4, i1, descr=valuedescr)
- p1sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p1sub, i1, descr=valuedescr)
setfield_gc(p4, p1sub, descr=nextdescr)
jump(i1, p4)
@@ -865,13 +865,7 @@
p3sub = new_with_vtable(ConstClass(node_vtable2))
setfield_gc(p3sub, i1, descr=valuedescr)
setfield_gc(p1, p3sub, descr=nextdescr)
- # XXX: We get two extra operations here because the setfield
- # above is the result of forcing p1 and thus not
- # registered with the heap optimizer. I've makred tests
- # below with VIRTUALHEAP if they suffer from this issue
- p3sub2 = getfield_gc(p1, descr=nextdescr)
- guard_nonnull_class(p3sub2, ConstClass(node_vtable2)) []
- jump(i1, p1, p3sub2)
+ jump(i1, p1, p3sub)
"""
self.optimize_loop(ops, expected, preamble)
@@ -902,9 +896,7 @@
guard_true(i2b) []
p3 = new_with_vtable(ConstClass(node_vtable))
setfield_gc(p3, i2, descr=nextdescr)
- # XXX: VIRTUALHEAP (see above)
- i3 = getfield_gc(p3, descr=nextdescr)
- jump(p3, i3)
+ jump(p3, i2)
"""
self.optimize_loop(ops, expected, preamble)
@@ -1219,7 +1211,15 @@
setfield_gc(p3, p30, descr=valuedescr)
jump(i29, p30, p3)
"""
- expected = preamble
+ expected = """
+ [i0, p1, p3]
+ i28 = int_add(i0, 1)
+ i29 = int_add(i28, 1)
+ p30 = new_with_vtable(ConstClass(node_vtable))
+ setfield_gc(p3, p30, descr=valuedescr)
+ setfield_gc(p30, i28, descr=nextdescr)
+ jump(i29, p30, p3)
+ """
self.optimize_loop(ops, expected, preamble)
def test_nonvirtual_1(self):
@@ -2408,8 +2408,8 @@
guard_class(p2, ConstClass(node_vtable)) []
p3 = getfield_gc(p1, descr=otherdescr)
guard_class(p3, ConstClass(node_vtable)) []
+ p3a = new_with_vtable(ConstClass(node_vtable))
setfield_gc(p3, p2, descr=otherdescr)
- p3a = new_with_vtable(ConstClass(node_vtable))
escape(p3a)
jump(p3a)
"""
@@ -2421,9 +2421,9 @@
# setfield_gc(p3, p2, descr=otherdescr) # p3a.other = p2a
# p1a = new_with_vtable(ConstClass(node_vtable2))
# p2a = new_with_vtable(ConstClass(node_vtable))
+ p3anew = new_with_vtable(ConstClass(node_vtable))
p2 = new_with_vtable(ConstClass(node_vtable))
setfield_gc(p3a, p2, descr=otherdescr) # p3a.other = p2a
- p3anew = new_with_vtable(ConstClass(node_vtable))
escape(p3anew)
jump(p3anew)
"""
@@ -2458,9 +2458,9 @@
p3 = getfield_gc(p1, descr=otherdescr)
guard_class(p3, ConstClass(node_vtable)) []
# p1a = new_with_vtable(ConstClass(node_vtable2))
+ p3a = new_with_vtable(ConstClass(node_vtable))
p2a = new_with_vtable(ConstClass(node_vtable))
setfield_gc(p3, p2a, descr=otherdescr)
- p3a = new_with_vtable(ConstClass(node_vtable))
escape(p3a)
# setfield_gc(p1a, p2a, descr=nextdescr)
# setfield_gc(p1a, p3a, descr=otherdescr)
@@ -2468,9 +2468,9 @@
"""
expected = """
[p2, p3]
+ p3a = new_with_vtable(ConstClass(node_vtable))
p2a = new_with_vtable(ConstClass(node_vtable))
setfield_gc(p3, p2a, descr=otherdescr)
- p3a = new_with_vtable(ConstClass(node_vtable))
escape(p3a)
jump(p2a, p3a)
"""
@@ -7229,6 +7229,29 @@
"""
self.optimize_loop(ops, expected)
+ def test_heap_cache_forced_virtuals(self):
+ ops = """
+ [i1, i2, p0]
+ p1 = new(descr=ssize)
+ setfield_gc(p1, i1, descr=adescr)
+ setfield_gc(p1, i2, descr=bdescr)
+ call(p0, p1, descr=writeadescr)
+ i3 = getfield_gc(p1, descr=adescr)
+ i4 = getfield_gc(p1, descr=bdescr)
+ jump(i3, i4, p0)
+ """
+ expected = """
+ [i1, i2, p0]
+ p1 = new(descr=ssize)
+ setfield_gc(p1, i1, descr=adescr)
+ call(p0, p1, descr=writeadescr)
+ i3 = getfield_gc(p1, descr=adescr)
+ setfield_gc(p1, i2, descr=bdescr)
+ jump(i3, i2, p0)
+ """
+ self.optimize_loop(ops, expected)
+
+
class TestLLtype(OptimizeOptTest, LLtypeMixin):
pass
diff --git a/pypy/jit/metainterp/optimizeopt/virtualize.py b/pypy/jit/metainterp/optimizeopt/virtualize.py
--- a/pypy/jit/metainterp/optimizeopt/virtualize.py
+++ b/pypy/jit/metainterp/optimizeopt/virtualize.py
@@ -138,7 +138,7 @@
op = ResOperation(rop.SETFIELD_GC, [box, subbox], None,
descr=ofs)
- optforce.emit_volatile_operation(op)
+ optforce.emit_operation(op)
def _get_field_descr_list(self):
_cached_sorted_fields = self._cached_sorted_fields
@@ -255,7 +255,7 @@
op = ResOperation(rop.SETARRAYITEM_GC,
[box, ConstInt(index), subbox], None,
descr=self.arraydescr)
- optforce.emit_volatile_operation(op)
+ optforce.emit_operation(op)
def get_args_for_fail(self, modifier):
if self.box is None and not modifier.already_seen_virtual(self.keybox):
More information about the pypy-commit
mailing list