macro_rules! constify_imm8 {
($imm8:expr, $expand:ident) => {
#[allow(overflowing_literals)]
match ($imm8) & 0b0011_1111 {
0 => {}
1 => $expand!(1),
2 => $expand!(2),
3 => $expand!(3),
4 => $expand!(4),
5 => $expand!(5),
6 => $expand!(6),
7 => $expand!(7),
8 => $expand!(8),
9 => $expand!(9),
10 => $expand!(10),
12 => $expand!(12),
13 => $expand!(13),
14 => $expand!(14),
15 => $expand!(15),
16 => $expand!(16),
17 => $expand!(17),
18 => $expand!(18),
19 => $expand!(19),
20 => $expand!(20),
21 => $expand!(21),
22 => $expand!(22),
23 => $expand!(23),
24 => $expand!(24),
25 => $expand!(25),
26 => $expand!(26),
27 => $expand!(27),
28 => $expand!(28),
29 => $expand!(29),
30 => $expand!(30),
31 => $expand!(31),
_ => unreachable!(),
}
};
}
#[cfg(target_arch = "aarch64")]
macro_rules! constify_64_imm8 {
($imm8:expr, $expand:ident) => {
#[allow(overflowing_literals)]
match ($imm8) & 0b0111_1111 {
0 => {}
1 => $expand!(1),
2 => $expand!(2),
3 => $expand!(3),
4 => $expand!(4),
5 => $expand!(5),
6 => $expand!(6),
7 => $expand!(7),
8 => $expand!(8),
9 => $expand!(9),
10 => $expand!(10),
12 => $expand!(12),
13 => $expand!(13),
14 => $expand!(14),
15 => $expand!(15),
16 => $expand!(16),
17 => $expand!(17),
18 => $expand!(18),
19 => $expand!(19),
20 => $expand!(20),
21 => $expand!(21),
22 => $expand!(22),
23 => $expand!(23),
24 => $expand!(24),
25 => $expand!(25),
26 => $expand!(26),
27 => $expand!(27),
28 => $expand!(28),
29 => $expand!(29),
30 => $expand!(30),
31 => $expand!(31),
32 => $expand!(32),
33 => $expand!(33),
34 => $expand!(34),
35 => $expand!(35),
36 => $expand!(36),
37 => $expand!(37),
38 => $expand!(38),
39 => $expand!(39),
40 => $expand!(40),
41 => $expand!(41),
42 => $expand!(42),
43 => $expand!(43),
44 => $expand!(44),
45 => $expand!(45),
46 => $expand!(46),
47 => $expand!(47),
48 => $expand!(48),
49 => $expand!(49),
50 => $expand!(50),
51 => $expand!(51),
52 => $expand!(52),
53 => $expand!(53),
54 => $expand!(54),
55 => $expand!(55),
56 => $expand!(56),
57 => $expand!(57),
58 => $expand!(58),
59 => $expand!(59),
60 => $expand!(60),
61 => $expand!(61),
62 => $expand!(62),
63 => $expand!(63),
_ => unreachable!(),
}
};
}