Messages in this thread | | | Date | Wed, 16 Dec 1998 12:23:52 +0100 | From | Alexander Kjeldaas <> | Subject | Re: NOP instruction |
| |
On Tue, Dec 15, 1998 at 06:05:48PM +0000, H. Peter Anvin wrote: > > Long time has passed since the 8086. Don't be surprised if some of > the x86 series chips optimize NOP. >
A lot of different NOPs of various lengths are optimized away AFAIK. However, I'm not sure that very complex NOPs that trigger the "complex instruction" decoder (found in most recent x86 chips) are worth using though.
astor
-- Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway http://www.guardian.no/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |