[as it is now quoting $output is not required, but done just in case]

Reviewed-by: Richard Levitte <levitte@openssl.org>

Reviewed-by: Richard Levitte <levitte@openssl.org>

Reviewed-by: Rich Salz <rsalz@openssl.org>

PR: 3139

Improve decrypt performance by 10-20% depending on platform. Thanks
to Jussi Kivilinna for providing valuable hint. Also thanks to Ard
Biesheuvel.

PR: 2963 and a number of others

path with spaces.

PR: 2835

InvMixColumns).

Add bit-sliced AES x86_64 assembler, see http://homes.esat.kuleuven.be/~ekasper/#software for background information. It's not integrated into build system yet.