patch -p1 in $HOME/.cargo/registry/src/github.com-1ecc6299db9ec823/compiler_builtins-0.1.32

compiler-builtins-32bit-int-support.patch

diff --git c/src/int/mod.rs w/src/int/mod.rs
index 8a469d9..128fdfd 100644
--- c/src/int/mod.rs
+++ w/src/int/mod.rs
@@ -188,6 +188,7 @@ macro_rules! int_impl {
     };
 }
 
+int_impl!(i16, u16, 16);
 int_impl!(i32, u32, 32);
 int_impl!(i64, u64, 64);
 int_impl!(i128, u128, 128);
@@ -229,6 +230,8 @@ macro_rules! large_int {
     };
 }
 
+large_int!(u32, u16, u16, 16);
+large_int!(i32, u16, i16, 16);
 large_int!(u64, u32, u32, 32);
 large_int!(i64, u32, i32, 32);
 large_int!(u128, u64, u64, 64);
diff --git c/src/int/shift.rs w/src/int/shift.rs
index 408f8f3..521d02a 100644
--- c/src/int/shift.rs
+++ w/src/int/shift.rs
@@ -20,6 +20,7 @@ trait Ashl: Int + LargeInt {
     }
 }
 
+impl Ashl for u32 {}
 impl Ashl for u64 {}
 impl Ashl for u128 {}
 
@@ -47,6 +48,7 @@ trait Ashr: Int + LargeInt {
     }
 }
 
+impl Ashr for i32 {}
 impl Ashr for i64 {}
 impl Ashr for i128 {}
 
@@ -70,10 +72,15 @@ trait Lshr: Int + LargeInt {
     }
 }
 
+impl Lshr for u32 {}
 impl Lshr for u64 {}
 impl Lshr for u128 {}
 
 intrinsics! {
+    pub extern "C" fn __ashlsi3(a: u32, b: u32) -> u32 {
+        a.ashl(b)
+    }
+
     #[maybe_use_optimized_c_shim]
     #[arm_aeabi_alias = __aeabi_llsl]
     pub extern "C" fn __ashldi3(a: u64, b: u32) -> u64 {
@@ -84,6 +91,10 @@ intrinsics! {
         a.ashl(b)
     }
 
+    pub extern "C" fn __ashrsi3(a: i32, b: u32) -> i32 {
+        a.ashr(b)
+    }
+
     #[maybe_use_optimized_c_shim]
     #[arm_aeabi_alias = __aeabi_lasr]
     pub extern "C" fn __ashrdi3(a: i64, b: u32) -> i64 {
@@ -94,6 +105,10 @@ intrinsics! {
         a.ashr(b)
     }
 
+    pub extern "C" fn __lshrsi3(a: u32, b: u32) -> u32 {
+        a.lshr(b)
+    }
+
     #[maybe_use_optimized_c_shim]
     #[arm_aeabi_alias = __aeabi_llsr]
     pub extern "C" fn __lshrdi3(a: u64, b: u32) -> u64 {