diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/api/reductions/bitwise.rs')
| -rw-r--r-- | third_party/rust/packed_simd/src/api/reductions/bitwise.rs | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/third_party/rust/packed_simd/src/api/reductions/bitwise.rs b/third_party/rust/packed_simd/src/api/reductions/bitwise.rs deleted file mode 100644 index 5bad4f474b..0000000000 --- a/third_party/rust/packed_simd/src/api/reductions/bitwise.rs +++ /dev/null @@ -1,151 +0,0 @@ -//! Implements portable horizontal bitwise vector reductions. -#![allow(unused)] - -macro_rules! impl_reduction_bitwise { - ( - [$elem_ty:ident; $elem_count:expr]: - $id:ident | $ielem_ty:ident | $test_tt:tt | - ($convert:expr) | - ($true:expr, $false:expr) - ) => { - impl $id { - /// Lane-wise bitwise `and` of the vector elements. - /// - /// Note: if the vector has one lane, the first element of the - /// vector is returned. - #[inline] - pub fn and(self) -> $elem_ty { - #[cfg(not(target_arch = "aarch64"))] - { - use crate::llvm::simd_reduce_and; - let r: $ielem_ty = unsafe { simd_reduce_and(self.0) }; - $convert(r) - } - #[cfg(target_arch = "aarch64")] - { - // FIXME: broken on aarch64 - // https://github.com/rust-lang-nursery/packed_simd/issues/15 - let mut x = self.extract(0) as $elem_ty; - for i in 1..$id::lanes() { - x &= self.extract(i) as $elem_ty; - } - x - } - } - - /// Lane-wise bitwise `or` of the vector elements. - /// - /// Note: if the vector has one lane, the first element of the - /// vector is returned. - #[inline] - pub fn or(self) -> $elem_ty { - #[cfg(not(target_arch = "aarch64"))] - { - use crate::llvm::simd_reduce_or; - let r: $ielem_ty = unsafe { simd_reduce_or(self.0) }; - $convert(r) - } - #[cfg(target_arch = "aarch64")] - { - // FIXME: broken on aarch64 - // https://github.com/rust-lang-nursery/packed_simd/issues/15 - let mut x = self.extract(0) as $elem_ty; - for i in 1..$id::lanes() { - x |= self.extract(i) as $elem_ty; - } - x - } - } - - /// Lane-wise bitwise `xor` of the vector elements. - /// - /// Note: if the vector has one lane, the first element of the - /// vector is returned. - #[inline] - pub fn xor(self) -> $elem_ty { - #[cfg(not(target_arch = "aarch64"))] - { - use crate::llvm::simd_reduce_xor; - let r: $ielem_ty = unsafe { simd_reduce_xor(self.0) }; - $convert(r) - } - #[cfg(target_arch = "aarch64")] - { - // FIXME: broken on aarch64 - // https://github.com/rust-lang-nursery/packed_simd/issues/15 - let mut x = self.extract(0) as $elem_ty; - for i in 1..$id::lanes() { - x ^= self.extract(i) as $elem_ty; - } - x - } - } - } - - test_if!{ - $test_tt: - paste::item! { - pub mod [<$id _reduction_bitwise>] { - use super::*; - - #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - fn and() { - let v = $id::splat($false); - assert_eq!(v.and(), $false); - let v = $id::splat($true); - assert_eq!(v.and(), $true); - let v = $id::splat($false); - let v = v.replace(0, $true); - if $id::lanes() > 1 { - assert_eq!(v.and(), $false); - } else { - assert_eq!(v.and(), $true); - } - let v = $id::splat($true); - let v = v.replace(0, $false); - assert_eq!(v.and(), $false); - - } - #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - fn or() { - let v = $id::splat($false); - assert_eq!(v.or(), $false); - let v = $id::splat($true); - assert_eq!(v.or(), $true); - let v = $id::splat($false); - let v = v.replace(0, $true); - assert_eq!(v.or(), $true); - let v = $id::splat($true); - let v = v.replace(0, $false); - if $id::lanes() > 1 { - assert_eq!(v.or(), $true); - } else { - assert_eq!(v.or(), $false); - } - } - #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - fn xor() { - let v = $id::splat($false); - assert_eq!(v.xor(), $false); - let v = $id::splat($true); - if $id::lanes() > 1 { - assert_eq!(v.xor(), $false); - } else { - assert_eq!(v.xor(), $true); - } - let v = $id::splat($false); - let v = v.replace(0, $true); - assert_eq!(v.xor(), $true); - let v = $id::splat($true); - let v = v.replace(0, $false); - if $id::lanes() > 1 { - assert_eq!(v.xor(), $true); - } else { - assert_eq!(v.xor(), $false); - } - } - } - } - } - }; -} |