def _emit_call(self, op, arglocs):
is_call_release_gil = rop.is_call_release_gil(op.getopnum())
# args = [resloc, size, sign, args...]
from rpython.jit.backend.llsupport.descr import CallDescr
func_index = 3 + is_call_release_gil
cb = Aarch64CallBuilder(self, arglocs[func_index],
arglocs[func_index+1:], arglocs[0])
descr = op.getdescr()
assert isinstance(descr, CallDescr)
cb.callconv = descr.get_call_conv()
cb.argtypes = descr.get_arg_types()
cb.restype = descr.get_result_type()
sizeloc = arglocs[1]
assert sizeloc.is_imm()
cb.ressize = sizeloc.value
signloc = arglocs[2]
assert signloc.is_imm()
cb.ressign = signloc.value
if is_call_release_gil:
saveerrloc = arglocs[3]
assert saveerrloc.is_imm()
cb.emit_call_release_gil(saveerrloc.value)
else:
effectinfo = descr.get_extra_info()
if effectinfo is None or effectinfo.check_can_collect():
cb.emit()
else:
cb.emit_no_collect()
def prepare_guard_op_guard_not_forced(self, op, prev_op):
if rop.is_call_release_gil(prev_op.getopnum()):
arglocs = self._prepare_call(prev_op, save_all_regs=True,
first_arg_index=2)
elif rop.is_call_assembler(prev_op.getopnum()):
locs = self.locs_for_call_assembler(prev_op)
tmploc = self.get_scratch_reg(INT, selected_reg=r.x0)
resloc = self._call(prev_op, locs + [tmploc], gc_level=2)
arglocs = locs + [resloc, tmploc]
else:
assert rop.is_call_may_force(prev_op.getopnum())
arglocs = self._prepare_call(prev_op, save_all_regs=True)
guard_locs = self._guard_impl(op)
return arglocs + guard_locs, len(arglocs)
