Combine int8 pairing with pointer hoisting
STC: https://tests.stockfishchess.org/tests/view/6ad44115733e627f7058c6d1
LLR: 2.96 (-2.94,2.94) <0.00,2.00>
Total: 126080 W: 32234 L: 31819 D: 62027
Ptnml(0-2): 127, 13397, 35598, 13770, 148
Tested on top of https://tests.stockfishchess.org/tests/view/6ad3a2d2733e627f7058c639 by @linrock which passed w/
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 185248 W: 47061 L: 47010 D: 91177
Ptnml(0-2): 205, 19425, 53314, 19474, 206
Written by Astra.
closes https://github.com/official-stockfish/Stockfish/pull/7248
No functional change