shaN: code shrink

function                                             old     new   delta
init512_lo                                            32      40      +8
init256                                               32      40      +8
sha256_begin                                          42      28     -14
sha512_begin                                          81      53     -28
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 16/-42)            Total: -26 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2 files changed