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c6678 线性汇编问题



你好:

1.我编写的线性汇编,通过编译器优化后,查看生成的.asm文件,发现编译器优化的代码在PIPED LOOP PROLOG阶段将中断关闭,在PIPED LOOP EPILOG阶段将中断打开,这样做有什么作用吗? 如果程序在PIPED LOOP KERNEL阶段被中断,会出现什么问题?

2.线性汇编中,编译器优化后,有些需要入栈的寄存器是编译器已经自动实现入栈了,还是需要人为的去做一些入栈操作?

多谢!