有没有办法告诉GCC不要重新排序任何指令，而不仅仅是加载/存储？

I'm working on the irq_lock() / irq_unlock() implementation for an RTOS and found an issue. We want to absolutely minimize how much time the CPU spends with interrupts locked. Right now, our irq_lock() inline function for x86 uses "memory" clobber:I'm working on the irq_lock() / irq_unlock() im