2010年9月27日
likely() and unlikely()
摘要： The gcc C compiler has a built-in directive that optimizes conditional branches as either very likely taken or very unlikely taken. The compiler uses the directive to appropriately optimize the branch... 阅读全文
posted @ 2010-09-27 23:37 yangzd 阅读(2676) 评论(1) 推荐(2) 编辑