本文整理匯總了Python中pypy.jit.metainterp.resoperation.ResOperation.descr方法的典型用法代碼示例。如果您正苦於以下問題:Python ResOperation.descr方法的具體用法?Python ResOperation.descr怎麽用?Python ResOperation.descr使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pypy.jit.metainterp.resoperation.ResOperation
的用法示例。
在下文中一共展示了ResOperation.descr方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: exc_handling
# 需要導入模塊: from pypy.jit.metainterp.resoperation import ResOperation [as 別名]
# 或者: from pypy.jit.metainterp.resoperation.ResOperation import descr [as 別名]
def exc_handling(guard_op):
# operations need to start with correct GUARD_EXCEPTION
if guard_op._exc_box is None:
op = ResOperation(rop.GUARD_NO_EXCEPTION, [], None)
else:
op = ResOperation(rop.GUARD_EXCEPTION, [guard_op._exc_box],
BoxPtr())
op.descr = BasicFailDescr()
op.fail_args = []
return op
示例2: produce_into
# 需要導入模塊: from pypy.jit.metainterp.resoperation import ResOperation [as 別名]
# 或者: from pypy.jit.metainterp.resoperation.ResOperation import descr [as 別名]
def produce_into(self, builder, r):
fail_subset = builder.subset_of_intvars(r)
original_intvars = builder.intvars[:]
super(AbstractOvfOperation, self).produce_into(builder, r)
if builder.cpu._overflow_flag: # overflow detected
del builder.cpu._overflow_flag
op = ResOperation(rop.GUARD_OVERFLOW, [], None)
# the overflowed result should not be used any more, but can
# be used on the failure path: recompute fail_subset including
# the result, and then remove it from builder.intvars.
fail_subset = builder.subset_of_intvars(r)
builder.intvars[:] = original_intvars
else:
op = ResOperation(rop.GUARD_NO_OVERFLOW, [], None)
op.descr = BasicFailDescr()
op.fail_args = fail_subset
builder.loop.operations.append(op)