def optimize_NEW_ARRAY(self, op):
sizebox = self.get_constant_box(op.getarg(0))
if sizebox is not None:
# if the original 'op' did not have a ConstInt as argument,
# build a new one with the ConstInt argument
if not isinstance(op.getarg(0), ConstInt):
op = ResOperation(rop.NEW_ARRAY, [sizebox], op.result, descr=op.getdescr())
self.make_varray(op.getdescr(), sizebox.getint(), op.result, op)
else:
self.getvalue(op.result).ensure_nonnull()
self.emit_operation(op)
def optimize_NEW_ARRAY(self, op):
sizebox = self.get_constant_box(op.getarg(0))
if sizebox is not None:
# if the original 'op' did not have a ConstInt as argument,
# build a new one with the ConstInt argument
if not isinstance(op.getarg(0), ConstInt):
op = ResOperation(rop.NEW_ARRAY, [sizebox], op.result,
descr=op.getdescr())
self.make_varray(op.getdescr(), sizebox.getint(), op.result, op)
else:
self.getvalue(op.result).ensure_nonnull()
self.emit_operation(op)
def has_pure_result(self, opnum, args, descr):
op = ResOperation(opnum, args, None, descr)
key = self.optimizer.make_args_key(op)
op = self.pure_operations.get(key, None)
if op is None:
return False
return op.getdescr() is descr
def has_pure_result(self, opnum, args, descr):
op = ResOperation(opnum, args, None, descr)
key = self.optimizer.make_args_key(op)
op = self.optimizer.pure_operations.get(key, None)
if op is None:
return False
return op.getdescr() is descr
def handle_malloc_operation(self, op):
opnum = op.getopnum()
if opnum == rop.NEW:
self.handle_new_fixedsize(op.getdescr(), op)
elif opnum == rop.NEW_WITH_VTABLE:
classint = op.getarg(0).getint()
descr = heaptracker.vtable2descr(self.cpu, classint)
self.handle_new_fixedsize(descr, op)
if self.gc_ll_descr.fielddescr_vtable is not None:
op = ResOperation(rop.SETFIELD_GC,
[op.result, ConstInt(classint)], None,
descr=self.gc_ll_descr.fielddescr_vtable)
self.newops.append(op)
elif opnum == rop.NEW_ARRAY:
descr = op.getdescr()
assert isinstance(descr, ArrayDescr)
self.handle_new_array(descr, op)
elif opnum == rop.NEWSTR:
self.handle_new_array(self.gc_ll_descr.str_descr, op)
elif opnum == rop.NEWUNICODE:
self.handle_new_array(self.gc_ll_descr.unicode_descr, op)
else:
raise NotImplementedError(op.getopname())
def handle_malloc_operation(self, op):
opnum = op.getopnum()
if opnum == rop.NEW:
self.handle_new_fixedsize(op.getdescr(), op)
elif opnum == rop.NEW_WITH_VTABLE:
classint = op.getarg(0).getint()
descr = heaptracker.vtable2descr(self.cpu, classint)
self.handle_new_fixedsize(descr, op)
if self.gc_ll_descr.fielddescr_vtable is not None:
op = ResOperation(rop.SETFIELD_GC,
[op.result, ConstInt(classint)],
None,
descr=self.gc_ll_descr.fielddescr_vtable)
self.newops.append(op)
elif opnum == rop.NEW_ARRAY:
descr = op.getdescr()
assert isinstance(descr, ArrayDescr)
self.handle_new_array(descr, op)
elif opnum == rop.NEWSTR:
self.handle_new_array(self.gc_ll_descr.str_descr, op)
elif opnum == rop.NEWUNICODE:
self.handle_new_array(self.gc_ll_descr.unicode_descr, op)
else:
raise NotImplementedError(op.getopname())
