rt_thread_switch_interrput_flag -> rt_thread_switch_interrupt_flag git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1704 bbd45198-f89e-11dd-88c7-29a3b14d5316
it can be worked in NORMAL or SIMPLE calling convention and in all the optimize level(none, low, medium, high) git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1691 bbd45198-f89e-11dd-88c7-29a3b14d5316
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1687 bbd45198-f89e-11dd-88c7-29a3b14d5316