c语言指定范围内代码设置优化等级

c语言指定范围内代码设置优化等级

#if defined(__GNUC__)
#pragma GCC push_options
#pragma GCC optimize ("O0")
#endif

/* code */ 

#if defined(__GNUC__)
#pragma GCC pop_options
#endif

reference:
https://blog.csdn.net/Exile_in_July/article/details/113849394