GCC compiler option 紀錄

-falign-functions

-falign-functions=n

            

           for istance, -falign-functions=32 aligns functions to the next 32-byte boundary

-falign-labels=n

         

           Align all branch targets 

-falign-loops=n

          Align loops

-falign-jumps=n

          Align branch targets, for branch targets where the targets can only be reached by jumping, no dummy operations need to be executed.