On Tue, 19 Feb 2008 13:33:53 +1100 Nick Piggin <[EMAIL PROTECTED]> wrote: > > Actually one thing I don't like about gcc is that I think it still > emits cmovs for likely/unlikely branches, which is silly (the gcc > developers seem to be in love with that instruction). If that goes > away, then branch hints may be even better.
only for -Os and only if the result is smaller afaik. (cmov tends to be a performance loss most of the time so for -O2 and such it isn't used as far as I know.. it does make for nice small code however ;-) -- If you want to reach me at my work email, use [EMAIL PROTECTED] For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
