s390x assembly pack: import chacha from cryptogams repo

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featuring 6x"horizontal" code path which is up to 25%
faster than present 4x"vertical" for larger blocks.

Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8287)

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Patrick Steuer 2019-02-25 18:55:04 +01:00 committed by Richard Levitte

parent c453283421

commit d1229190bf

1 changed files with 718 additions and 286 deletions

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crypto/chacha/asm/chacha-s390x.pl

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