commit a05248ed2d9a83ae7c3e6db7c4ef9331c3dedc81
author Jussi Kivilinna <jussi.kivilinna@iki.fi> Mon Apr 08 21:50:55 2013 +0300
committer Herbert Xu <herbert@gondor.apana.org.au> Thu Apr 25 21:01:51 2013 +0800
tree 62fead9aac2e2471dbc5d6df7b630589220eea3c
parent d2049d8566bf74723f0c353621174b37ff3d75ec

crypto: x86 - add more optimized XTS-mode for serpent-avx

This patch adds AVX optimized XTS-mode helper functions/macros and converts
serpent-avx to use the new facilities. Benefits are slightly improved speed
and reduced stack usage as use of temporary IV-array is avoided.

tcrypt results, with Intel i5-2450M:
        enc     dec
16B     1.00x   1.00x
64B     1.00x   1.00x
256B    1.04x   1.06x
1024B   1.09x   1.09x
8192B   1.10x   1.09x

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>