On Sat, 2007-12-15 at 15:11 -0200, Antonio Eduardo Fermiano wrote: > This is the third newbie question I make here, but... > > If I put, for example: > > variable = 1 + 2; > > gcc will compile the code for the CPU add one to two and put in > variable, in execution time, or will substitute and in the compiled > code the equivalent of: > > variable = 3; > > would be inserted? > > If it evaluate expressions like this before compiling, it always is > done? Or I would need some directive to ask gcc to evaluate it for me > before compiling? i think you can search "constant folding" for more information > > Thank you :)
