On Mon, Mar 25, 2013 at 10:18:25PM +0800, Chung-Ju Wu wrote: > 2013/3/25 ishare <june.tune.sea@xxxxxxxxx>: > > On Sun, Mar 24, 2013 at 01:21:42PM +0100, Oleg Endo wrote: > >> On Sun, 2013-03-24 at 15:03 +0800, Chung-Ju Wu wrote: > >> > 2013/3/24, ishare <june.tune.sea@xxxxxxxxx>: > >> > > > >> > > If I not use optimization in compilation , will those inline functions be > >> > > actually inlined by gcc ? > >> > > > >> > > thanks! > >> > > > >> > > >> > Not unless you use 'always_inline' attribute. > >> > > >> > http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html#Function-Attributes > >> > >> Also, when in error or in doubt, use option '-save-temps' and look at > >> the asm code that is generated by the compiler. > > > > Can this help to print all temp varibles on stack whose value may be optimized out by -O2 ? > > > > thanks! > > Hi, > > No. The option '-save-temps' is to store the intermediate files permanently. > > If you want to know what variables/statement might be optimized out, > you should use some static code analysis tools. Are there static code analysis tools for linux ? I only know some for windows . Thanks! > > > > Best regards, > jasonwucj
