tls: P256: x86-64 optimized sp_256_sub_8_p256_mod

function                                             old     new   delta
sp_256_sub_8_p256_mod                                  -      53     +53
sp_256_mont_reduce_8                                 223     217      -6
sp_256_mont_dbl_8                                     38      32      -6
sp_256_ecc_mulmod_8                                 1535    1529      -6
sp_256_proj_point_dbl_8                              469     454     -15
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(add/remove: 1/0 grow/shrink: 0/4 up/down: 53/-33)             Total: 20 bytes

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