--- /dev/null
+//! `FromBits` and `IntoBits` implementations for portable 32-bit wide vectors
+#![rustfmt::skip]
+
+#[allow(unused)] // wasm_bindgen_test
+use crate::*;
+
+impl_from_bits!(i8x4[test_v32]: u8x4, m8x4, i16x2, u16x2, m16x2);
+impl_from_bits!(u8x4[test_v32]: i8x4, m8x4, i16x2, u16x2, m16x2);
+impl_from_bits!(m8x4[test_v32]: m16x2);
+
+impl_from_bits!(i16x2[test_v32]: i8x4, u8x4, m8x4, u16x2, m16x2);
+impl_from_bits!(u16x2[test_v32]: i8x4, u8x4, m8x4, i16x2, m16x2);
+// note: m16x2 cannot be constructed from all m8x4 bit patterns