diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/api/ops/scalar_bitwise.rs')
| -rw-r--r-- | third_party/rust/packed_simd/src/api/ops/scalar_bitwise.rs | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/rust/packed_simd/src/api/ops/scalar_bitwise.rs b/third_party/rust/packed_simd/src/api/ops/scalar_bitwise.rs new file mode 100644 index 0000000000..88216769ae --- /dev/null +++ b/third_party/rust/packed_simd/src/api/ops/scalar_bitwise.rs @@ -0,0 +1,162 @@ +//! Vertical (lane-wise) vector-scalar / scalar-vector bitwise operations. + +macro_rules! impl_ops_scalar_bitwise { + ( + [$elem_ty:ident; $elem_count:expr]: + $id:ident | $test_tt:tt | + ($true:expr, $false:expr) + ) => { + impl crate::ops::BitXor<$elem_ty> for $id { + type Output = Self; + #[inline] + fn bitxor(self, other: $elem_ty) -> Self { + self ^ $id::splat(other) + } + } + impl crate::ops::BitXor<$id> for $elem_ty { + type Output = $id; + #[inline] + fn bitxor(self, other: $id) -> $id { + $id::splat(self) ^ other + } + } + + impl crate::ops::BitAnd<$elem_ty> for $id { + type Output = Self; + #[inline] + fn bitand(self, other: $elem_ty) -> Self { + self & $id::splat(other) + } + } + impl crate::ops::BitAnd<$id> for $elem_ty { + type Output = $id; + #[inline] + fn bitand(self, other: $id) -> $id { + $id::splat(self) & other + } + } + + impl crate::ops::BitOr<$elem_ty> for $id { + type Output = Self; + #[inline] + fn bitor(self, other: $elem_ty) -> Self { + self | $id::splat(other) + } + } + impl crate::ops::BitOr<$id> for $elem_ty { + type Output = $id; + #[inline] + fn bitor(self, other: $id) -> $id { + $id::splat(self) | other + } + } + + impl crate::ops::BitAndAssign<$elem_ty> for $id { + #[inline] + fn bitand_assign(&mut self, other: $elem_ty) { + *self = *self & other; + } + } + impl crate::ops::BitOrAssign<$elem_ty> for $id { + #[inline] + fn bitor_assign(&mut self, other: $elem_ty) { + *self = *self | other; + } + } + impl crate::ops::BitXorAssign<$elem_ty> for $id { + #[inline] + fn bitxor_assign(&mut self, other: $elem_ty) { + *self = *self ^ other; + } + } + + test_if!{ + $test_tt: + paste::item! { + pub mod [<$id _ops_scalar_bitwise>] { + use super::*; + + #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn ops_scalar_bitwise() { + let zi = 0 as $elem_ty; + let oi = 1 as $elem_ty; + let ti = 2 as $elem_ty; + let z = $id::splat(zi); + let o = $id::splat(oi); + let t = $id::splat(ti); + + // BitAnd: + assert_eq!(oi & o, o); + assert_eq!(o & oi, o); + assert_eq!(oi & z, z); + assert_eq!(o & zi, z); + assert_eq!(zi & o, z); + assert_eq!(z & oi, z); + assert_eq!(zi & z, z); + assert_eq!(z & zi, z); + + assert_eq!(ti & t, t); + assert_eq!(t & ti, t); + assert_eq!(ti & o, z); + assert_eq!(t & oi, z); + assert_eq!(oi & t, z); + assert_eq!(o & ti, z); + + // BitOr: + assert_eq!(oi | o, o); + assert_eq!(o | oi, o); + assert_eq!(oi | z, o); + assert_eq!(o | zi, o); + assert_eq!(zi | o, o); + assert_eq!(z | oi, o); + assert_eq!(zi | z, z); + assert_eq!(z | zi, z); + + assert_eq!(ti | t, t); + assert_eq!(t | ti, t); + assert_eq!(zi | t, t); + assert_eq!(z | ti, t); + assert_eq!(ti | z, t); + assert_eq!(t | zi, t); + + // BitXOR: + assert_eq!(oi ^ o, z); + assert_eq!(o ^ oi, z); + assert_eq!(zi ^ z, z); + assert_eq!(z ^ zi, z); + assert_eq!(zi ^ o, o); + assert_eq!(z ^ oi, o); + assert_eq!(oi ^ z, o); + assert_eq!(o ^ zi, o); + + assert_eq!(ti ^ t, z); + assert_eq!(t ^ ti, z); + assert_eq!(ti ^ z, t); + assert_eq!(t ^ zi, t); + assert_eq!(zi ^ t, t); + assert_eq!(z ^ ti, t); + + { + // AndAssign: + let mut v = o; + v &= ti; + assert_eq!(v, z); + } + { + // OrAssign: + let mut v = z; + v |= oi; + assert_eq!(v, o); + } + { + // XORAssign: + let mut v = z; + v ^= oi; + assert_eq!(v, o); + } + } + } + } + } + }; +} |