patch to add aes and pclmulqdq instructions to gcc
Warner Losh
imp at bsdimp.com
Thu Jan 17 14:12:26 UTC 2013
On Jan 17, 2013, at 12:05 AM, 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..
>
> I have attached the patch, and it is also availble at:
> http://people.freebsd.org/~jmg/gcc.aes.patch
>
> Comments?
>
> I have not passed it through a make universe yet, but will before
> committing...
>
> I am also working on basic intrinsics header files for these instructions
> too...
This looks like it should do the trick.
Warner
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