openssl1.0/crypto/cast/asm/readme
2019-08-09 10:00:55 +02:00

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There is a ppro flag in cast-586 which turns on/off
generation of pentium pro/II friendly code
This flag makes the inner loop one cycle longer, but generates
code that runs %30 faster on the pentium pro/II, while only %7 slower
on the pentium. By default, this flag is on.