Still failing to compile on AMD gpu mesa drivers

[ruvaldak]

still failing to compile on AMD gpu mesa drivers (rx6750xt, linux) as of commit b1bd0d6

prepare2.csh: prepare2.csh: 0:306(16): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:306(15): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:306(47): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:306(60): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:306(82): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:306(81): warning: some implementations may not support implicit int -> uint conversions for `&' operators; consider casting explicitly for portability
0:713(38): error: no function with name 'subgroupBroadcastFirst'