Add imm5 and imm_s5 to the common macros

Author: lu-zero

crates/core_arch/src/macros.rs

@@ -265,6 +265,90 @@ macro_rules! constify_imm8 {
     };
 }
 
+//immediate value: 0:31
+#[allow(unused)]
+macro_rules! constify_imm5 {
+    ($imm8:expr, $expand:ident) => {
+        #[allow(overflowing_literals)]
+        match ($imm8) & 0b1_1111 {
+            0 => $expand!(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),
+            11 => $expand!(11),
+            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),
+            _ => $expand!(31),
+        }
+    };
+}
+
+//immediate value: -16:15
+#[allow(unused)]
+macro_rules! constify_imm5 {
+    ($imm8:expr, $expand:ident) => {
+        #[allow(overflowing_literals)]
+        match ($imm8) & 0b1_1111 {
+            0 => $expand!(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),
+            11 => $expand!(11),
+            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),
+            _ => $expand!(31),
+        }
+    };
+}
+
 #[allow(unused)]
 macro_rules! types {
     ($(