Author: Maciej Fijalkowski <fij...@gmail.com>
Branch: resume-refactor
Changeset: r68987:3190114e9b0a
Date: 2014-01-29 10:24 +0100
http://bitbucket.org/pypy/pypy/changeset/3190114e9b0a/
Log: revive clone if mutable, unfortunately needed
diff --git a/rpython/jit/backend/llgraph/runner.py
b/rpython/jit/backend/llgraph/runner.py
--- a/rpython/jit/backend/llgraph/runner.py
+++ b/rpython/jit/backend/llgraph/runner.py
@@ -347,8 +347,6 @@
assert isinstance(frame, LLFrame)
assert frame.forced_deadframe is None
values = {}
- import pdb
- pdb.set_trace()
for k, v in frame.lltrace.numbering.iteritems():
try:
values[v] = frame.env[k]
diff --git a/rpython/jit/codewriter/jitcode.py
b/rpython/jit/codewriter/jitcode.py
--- a/rpython/jit/codewriter/jitcode.py
+++ b/rpython/jit/codewriter/jitcode.py
@@ -102,8 +102,6 @@
def __repr__(self):
return '<JitCode %r>' % self.name
- def _clone_if_mutable(self):
- raise NotImplementedError
class MissingLiveness(Exception):
pass
diff --git a/rpython/jit/metainterp/compile.py
b/rpython/jit/metainterp/compile.py
--- a/rpython/jit/metainterp/compile.py
+++ b/rpython/jit/metainterp/compile.py
@@ -483,8 +483,8 @@
_counters = None # they get stored in _counters then.
# the following attributes are used by the resume
- rd_loop = None # keeping the loop alive
rd_bytecode_position = -1 # position in the generated bytecode
+ rd_resume_bytecode = None
CNT_BASE_MASK = 0x0FFFFFFF # the base counter value
CNT_BUSY_FLAG = 0x10000000 # if set, busy tracing from the guard
@@ -494,7 +494,7 @@
CNT_REF = 0x40000000
CNT_FLOAT = 0x60000000
- def store_final_boxes(self, guard_op, boxes):
+ def set_opnum(self, guard_op):
self.guard_opnum = guard_op.getopnum()
def make_a_counter_per_value(self, guard_value_op):
@@ -618,11 +618,27 @@
new_loop.operations,
new_loop.original_jitcell_token)
+ def copy_all_attributes_into(self, res):
+ # XXX a bit ugly to have to list them all here
+ res.rd_resume_bytecode = self.rd_resume_bytecode
+ res.rd_bytecode_position = self.rd_bytecode_position
+
+ def _clone_if_mutable(self):
+ res = ResumeGuardDescr()
+ self.copy_all_attributes_into(res)
+ return res
+
class ResumeGuardNotInvalidated(ResumeGuardDescr):
- pass
+ def _clone_if_mutable(self):
+ res = ResumeGuardNotInvalidated()
+ self.copy_all_attributes_into(res)
+ return res
class ResumeAtPositionDescr(ResumeGuardDescr):
- pass
+ def _clone_if_mutable(self):
+ res = ResumeAtPositionDescr()
+ self.copy_all_attributes_into(res)
+ return res
class AllVirtuals:
llopaque = True
@@ -705,6 +721,12 @@
hidden_all_virtuals = obj.hide(metainterp_sd.cpu)
metainterp_sd.cpu.set_savedata_ref(deadframe, hidden_all_virtuals)
+ def _clone_if_mutable(self):
+ res = ResumeGuardForcedDescr(self.metainterp_sd,
+ self.jitdriver_sd)
+ self.copy_all_attributes_into(res)
+ return res
+
class AbstractResumeGuardCounters(object):
# Completely custom algorithm for now: keep 5 pairs (value, counter),
diff --git a/rpython/jit/metainterp/history.py
b/rpython/jit/metainterp/history.py
--- a/rpython/jit/metainterp/history.py
+++ b/rpython/jit/metainterp/history.py
@@ -133,6 +133,14 @@
def repr_of_descr(self):
return '%r' % (self,)
+ def _clone_if_mutable(self):
+ return self
+ def clone_if_mutable(self):
+ clone = self._clone_if_mutable()
+ if not we_are_translated():
+ assert clone.__class__ is self.__class__
+ return clone
+
def hide(self, cpu):
descr_ptr = cpu.ts.cast_instance_to_base_ref(self)
return cpu.ts.cast_to_ref(descr_ptr)
diff --git a/rpython/jit/metainterp/optimizeopt/optimizer.py
b/rpython/jit/metainterp/optimizeopt/optimizer.py
--- a/rpython/jit/metainterp/optimizeopt/optimizer.py
+++ b/rpython/jit/metainterp/optimizeopt/optimizer.py
@@ -557,6 +557,8 @@
self.replace_op(self.replaces_guard[op], op)
del self.replaces_guard[op]
return
+ else:
+ op = self.fixup_guard(op, pendingfields)
self.resumebuilder.guard_seen(op, pendingfields)
elif op.can_raise():
self.exception_might_have_happened = True
@@ -577,19 +579,11 @@
else:
assert False
- def store_final_boxes_in_guard(self, op, pendingfields):
- xxx
+ def fixup_guard(self, op, pendingfields):
assert pendingfields is not None
descr = op.getdescr()
assert isinstance(descr, compile.ResumeGuardDescr)
- modifier = resume.ResumeDataVirtualAdder(descr, self.resumedata_memo)
- try:
- newboxes = modifier.finish(self, pendingfields)
- if len(newboxes) > self.metainterp_sd.options.failargs_limit:
- raise resume.TagOverflow
- except resume.TagOverflow:
- raise compile.giveup()
- descr.store_final_boxes(op, newboxes)
+ descr.set_opnum(op)
#
if op.getopnum() == rop.GUARD_VALUE:
if self.getvalue(op.getarg(0)) in self.bool_boxes:
@@ -605,7 +599,6 @@
else:
raise AssertionError("uh?")
newop = ResOperation(opnum, [op.getarg(0)], op.result, descr)
- newop.setfailargs(op.getfailargs())
return newop
else:
# a real GUARD_VALUE. Make it use one counter per value.
diff --git a/rpython/jit/metainterp/optimizeopt/unroll.py
b/rpython/jit/metainterp/optimizeopt/unroll.py
--- a/rpython/jit/metainterp/optimizeopt/unroll.py
+++ b/rpython/jit/metainterp/optimizeopt/unroll.py
@@ -167,7 +167,7 @@
jump_args = [self.getvalue(a).get_key_box() for a in
original_jump_args]
assert self.optimizer.loop.resume_at_jump_descr
- resume_at_jump_descr = self.optimizer.loop.resume_at_jump_descr
+ resume_at_jump_descr =
self.optimizer.loop.resume_at_jump_descr.clone_if_mutable()
assert isinstance(resume_at_jump_descr, ResumeGuardDescr)
modifier = VirtualStateAdder(self.optimizer)
@@ -416,7 +416,7 @@
if op.is_guard():
op = op.clone()
op.setfailargs(None)
- descr = target_token.resume_at_jump_descr
+ descr = target_token.resume_at_jump_descr.clone_if_mutable()
op.setdescr(descr)
short[i] = op
@@ -439,7 +439,7 @@
if op.result and op.result in self.short_boxes.assumed_classes:
target_token.assumed_classes[newop.result] =
self.short_boxes.assumed_classes[op.result]
short[i] = newop
- target_token.resume_at_jump_descr = target_token.resume_at_jump_descr
+ target_token.resume_at_jump_descr =
target_token.resume_at_jump_descr.clone_if_mutable()
# Forget the values to allow them to be freed
for box in short[0].getarglist():
@@ -483,7 +483,7 @@
if not isinstance(a, Const) and a not in self.short_seen:
self.add_op_to_short(self.short_boxes.producer(a), emit,
guards_needed)
if op.is_guard():
- descr = self.short_resume_at_jump_descr
+ descr = self.short_resume_at_jump_descr.clone_if_mutable()
op.setdescr(descr)
if guards_needed and self.short_boxes.has_producer(op.result):
@@ -582,7 +582,7 @@
for guard in extra_guards:
if guard.is_guard():
- descr = target.resume_at_jump_descr
+ descr = target.resume_at_jump_descr.clone_if_mutable()
inliner.inline_descr_inplace(descr)
guard.setdescr(descr)
self.optimizer.send_extra_operation(guard)
diff --git a/rpython/jit/metainterp/resoperation.py
b/rpython/jit/metainterp/resoperation.py
--- a/rpython/jit/metainterp/resoperation.py
+++ b/rpython/jit/metainterp/resoperation.py
@@ -80,6 +80,8 @@
def clone(self):
args = self.getarglist()
descr = self.getdescr()
+ if descr is not None:
+ descr = descr.clone_if_mutable()
op = ResOperation(self.getopnum(), args[:], self.result, descr)
if not we_are_translated():
op.name = self.name
diff --git a/rpython/jit/metainterp/test/test_loop.py
b/rpython/jit/metainterp/test/test_loop.py
--- a/rpython/jit/metainterp/test/test_loop.py
+++ b/rpython/jit/metainterp/test/test_loop.py
@@ -189,10 +189,6 @@
found = 0
for op in get_stats().loops[0]._all_operations():
if op.getopname() == 'guard_true':
- liveboxes = op.getfailargs()
- assert len(liveboxes) == 2 # x, y (in some order)
- assert isinstance(liveboxes[0], history.BoxInt)
- assert isinstance(liveboxes[1], history.BoxInt)
found += 1
if 'unroll' in self.enable_opts:
assert found == 2
diff --git a/rpython/jit/resume/frontend.py b/rpython/jit/resume/frontend.py
--- a/rpython/jit/resume/frontend.py
+++ b/rpython/jit/resume/frontend.py
@@ -154,9 +154,18 @@
None, None)
return virtual_box
+ def getkind(self, fielddescr):
+ if fielddescr.is_pointer_field():
+ return REF
+ elif fielddescr.is_float_field():
+ return FLOAT
+ else:
+ assert fielddescr.is_field_signed()
+ return INT
+
def setfield_gc(self, box, encoded_field_pos, fielddescr):
field_box = self.get_box_value(-1, -1, encoded_field_pos,
- fielddescr.kind)
+ self.getkind(fielddescr))
self.metainterp.execute_and_record(rop.SETFIELD_GC, fielddescr,
box, field_box)
@@ -173,6 +182,7 @@
miframe.registers_r[i] = box
def store_float_box(self, frame_pos, pos, miframe, i, jitframe_pos):
+ xxx
box = self.get_box_value(jitframe_pos)
if box is None:
return
diff --git a/rpython/jit/resume/reader.py b/rpython/jit/resume/reader.py
--- a/rpython/jit/resume/reader.py
+++ b/rpython/jit/resume/reader.py
@@ -32,7 +32,7 @@
self.fields = {}
def allocate_box(self, metainterp):
- return metainterp.execute_and_record(rop.NEW_WITH_VTABLE,
+ return metainterp.execute_and_record(rop.NEW_WITH_VTABLE, None,
ConstInt(self.const_class))
def allocate_direct(self, cpu):
@@ -176,6 +176,9 @@
def resume_new(self, v_pos, descr):
self.l.append("%d = resume_new %d" % (v_pos, descr.global_descr_index))
+ def resume_clear(self, frame_pos, pos_in_frame):
+ self.l.append("resume_clear %d %d" % (frame_pos, pos_in_frame))
+
def resume_new_with_vtable(self, v_pos, c_const_class):
self.l.append("%d = resume_new_with_vtable %d" % (v_pos,
c_const_class.getint()))
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