At 16:52 25.02.2007 +0000, ranjith kumar wrote: >Gcc manuals says > " Not all optimizations are controlled 'directly' >by a flag. Only optimizations that have a flag are >listed." > >What does it mean? >Any one please help me. -Ox does not only switch on -fx -fy -fz... but also some internal settings for optimization not separately accessible with any -f option and therefore not listed in the verbose-asm. This means that you will never be able to achieve the same result with any combination of -f... as you can do with an -Ox. bye Fabi
