shithub: riscv

ref: 87378642942fa34d3061022d5e819e4b5db03ddd
dir: /sys/src/ape/lib/openssl/crypto/cast/asm/readme/

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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.