patch to add aes and pclmulqdq instructions to gcc

[John-Mark Gurney]

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..

> 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.. :)

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."