On Thu, Jan 17, 2013 at 09:31:40AM -0800, John-Mark Gurney wrote: > Konstantin Belousov wrote this message on Thu, Jan 17, 2013 at 13:12 +0200: > > On Wed, Jan 16, 2013 at 11:05:16PM -0800, John-Mark Gurney wrote: > > > Mike Belopuhov pointed me to the patch in OpenBSD: > > > http://freshbsd.org/commit/openbsd/0babc91a00b1f1953637bb39c8ec97aef704629e/diff.txt > > > > > > While OpenBSD's binutils is quite different than FreeBSD's, I was able > > > to use his patch to teach binutils how to assemble and disassemble the > > > aes and pclmulqdq instructions. > > > > > > I have done basic tests, such as verified that it can assemble the aesni > > > module and get the same results, and assemble a sample file for > > > pclmulqdq.. For each of these tests, I have verified that it's output > > > matches (as close as possible, as gcc/clang compile callq's differently) > > > clang on amd64.. > > Did you removed the manually assembled bytes from aes*.S and replaced them > > with the commented-out instructions for the test ? > > Yep.. Thank you, I expect that you will commit the crypto/aes change which removes the .bytes, after the gas patch.
> > > There is also newer VEX encoding for the same AESNI set, but adding the > > support for them might be hard because the source base is old. > > I don't see a use for them right now. And considering how anoying it > was to add just these instructions.. :) I am not asking you to do more work. It just my understanding that Intel wants everybody migrate to VEX encoding, where available.
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