On Mi, 2011-02-02 at 21:32 +0100, Drasko DRASKOVIC wrote: > On Wed, Feb 2, 2011 at 7:35 PM, Stefan Schulze Frielinghaus > <stefan@xxxxxxxxxxxx> wrote: > > On Mi, 2011-02-02 at 11:08 -0700, Jeff Law wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- > >> Hash: SHA1 > >> > >> On 02/02/11 10:34, Philip Herron wrote: > >> > >> > > >> > I am not quite sure what you are asking/trying to do but the register > >> > keyword is used to tell the compiler keep this variable inside any > >> > available registers which is useful if your going to use it alot in a > >> > piece of code i would imagine it could speed up things alot. > >> GCC ignores the "register" keyword. > > > > GCC does _not_ ignore the "register" keyword. > > Are you sure ? I mean, are you sure what Jeff was suggesting with his > short and not elaborated answer ? > I mean, what if he wanted to say : " GCC ignores the 'register' > keyword if no-optimization (-O0) flag was passed." ? > > That's why I asked for clarification, for in that case he might be right. I took his words as a "for all" statement and proved by a counter example that at least in one case it is not true ;-) No seriously, just wait for his respond. There might be situations where the keyword is ignored. I can only guess ... Kind regards, Stefan
