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| author | Uros Bizjak <ubizjak@gmail.com> | 2020-08-27 19:38:31 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-09-11 14:39:13 +1000 |
| commit | 7dfd1e01b3dfc13431b1b25720cf2692a7e111ef (patch) | |
| tree | f2ea7954fc9e206333acb397e873311924e8948d /drivers | |
| parent | db719539fd3889836900bf912755aa30a5985e9a (diff) | |
crypto: poly1305-x86_64 - Use XORL r32,32
x86_64 zero extends 32bit operations, so for 64bit operands,
XORL r32,r32 is functionally equal to XORQ r64,r64, but avoids
a REX prefix byte when legacy registers are used.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions