Zig 0.17.0-dev (Split by item)

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rol64Vec

kangarootwelve.rol64Vec

inline fn rol64Vec(comptime N: usize, v: @Vector(N, u64), comptime n: u6) @Vector(N, u64)

File

lib/std/crypto/kangarootwelve.zig:108

Code

inline fn rol64Vec(comptime N: usize, v: @Vector(N, u64), comptime n: u6) @Vector(N, u64) {
    if (n == 0) return v;
    const left: @Vector(N, u64) = @splat(n);
    const right_shift: u64 = 64 - @as(u64, n);
    const right: @Vector(N, u64) = @splat(right_shift);
    return (v << left) | (v >> right);
}