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authorJason A. Donenfeld <Jason@zx2c4.com>2020-03-01 22:52:35 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2020-03-05 18:28:09 +1100
commit1579f1bc3b753d17a44de3457d5c6f4a5b14c752 (patch)
treefbec2103aa55f71c32035e1e0cfdf530d8939059 /lib
parentc9cc0517bba9f0213f1e55172feceb99e5512daf (diff)
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crypto: x86/curve25519 - support assemblers with no adx support
Some older version of GAS do not support the ADX instructions, similarly to how they also don't support AVX and such. This commit adds the same build-time detection mechanisms we use for AVX and others for ADX, and then makes sure that the curve25519 library dispatcher calls the right functions. Reported-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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