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use crate::macros::rex_x::REX_X; use crate::records::register_x_64::RegisterX64; #[allow(non_snake_case)] pub const fn REX_R(reg: RegisterX64) -> u8 { let _ = REX_X; // keep dependency ordered/imported as in the schedule ((reg.index() & 0x8) >> 1) as u8 }