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 ?
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.
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