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| author | Eric Biggers <ebiggers@google.com> | 2018-07-24 18:29:07 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-08-03 18:06:05 +0800 |
| commit | 4e34e51f48ab7f77a4022aa810a786daa3eb3e22 (patch) | |
| tree | dde19d19ab296050fa3d7a2f362124bdbf7d04f5 /drivers/crypto | |
| parent | f53ad3e1b35a558528f6d0041568016d1f623a9d (diff) | |
crypto: arm/chacha20 - always use vrev for 16-bit rotates
The 4-way ChaCha20 NEON code implements 16-bit rotates with vrev32.16,
but the one-way code (used on remainder blocks) implements it with
vshl + vsri, which is slower. Switch the one-way code to vrev32.16 too.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
0 files changed, 0 insertions, 0 deletions