GCC的-fomit-frame-pointer参数，就是用来去掉编译后，程序内的SFP的。

优化你的软件时，发觉"-fomit-frame-pointer"这个选项还是蛮有用的。 GCC手册上面这么说： Don't keep the frame pointer in a register for functions that don't need one. This avoids the instructions to save, set up and restore frame

Date: 2018.9.8 1、参考 https://www.cnblogs.com/islandscape/p/3444122.html https://blog.csdn.net/chdhust/article/details/8462414 https://gcc.gnu.org/onlinedocs/gcc-6.2.0/gcc.pdf https://blog.csdn.n