On Wed, 2007-02-21 at 17:28 -0800, Jeremy Fitzhardinge wrote: > We have a number of functions which return small structures (such as > pte_t). It seems that the kernel is not compiled with > -freg-struct-return, so all these small structures are being returned > via the stack, even though they would fit into registers. > > Is there a reason for this? Would -freg-struct-return be preferred? It > would make a good compliment to -mregparm.
Do we know how many gcc bugs this has? (regparm used to have many) other than that.. sounds like a win... -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.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/