diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/api/minimal/mask.rs')
| -rw-r--r-- | third_party/rust/packed_simd/src/api/minimal/mask.rs | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/third_party/rust/packed_simd/src/api/minimal/mask.rs b/third_party/rust/packed_simd/src/api/minimal/mask.rs deleted file mode 100644 index a420060b42..0000000000 --- a/third_party/rust/packed_simd/src/api/minimal/mask.rs +++ /dev/null @@ -1,176 +0,0 @@ -//! Minimal API of mask vectors. - -macro_rules! impl_minimal_mask { - ([$elem_ty:ident; $elem_count:expr]: $id:ident | $ielem_ty:ident - | $test_tt:tt | $($elem_name:ident),+ | $(#[$doc:meta])*) => { - $(#[$doc])* - pub type $id = Simd<[$elem_ty; $elem_count]>; - - impl sealed::Simd for $id { - type Element = $elem_ty; - const LANES: usize = $elem_count; - type LanesType = [u32; $elem_count]; - } - - impl $id { - /// Creates a new instance with each vector elements initialized - /// with the provided values. - #[inline] - #[allow(clippy::too_many_arguments)] - pub const fn new($($elem_name: bool),*) -> Self { - Simd(codegen::$id($(Self::bool_to_internal($elem_name)),*)) - } - - /// Converts a boolean type into the type of the vector lanes. - #[inline] - #[allow(clippy::indexing_slicing)] - const fn bool_to_internal(x: bool) -> $ielem_ty { - [0 as $ielem_ty, !(0 as $ielem_ty)][x as usize] - } - - /// Returns the number of vector lanes. - #[inline] - pub const fn lanes() -> usize { - $elem_count - } - - /// Constructs a new instance with each element initialized to - /// `value`. - #[inline] - pub const fn splat(value: bool) -> Self { - Simd(codegen::$id($({ - #[allow(non_camel_case_types, dead_code)] - struct $elem_name; - Self::bool_to_internal(value) - }),*)) - } - - /// Extracts the value at `index`. - /// - /// # Panics - /// - /// If `index >= Self::lanes()`. - #[inline] - pub fn extract(self, index: usize) -> bool { - assert!(index < $elem_count); - unsafe { self.extract_unchecked(index) } - } - - /// Extracts the value at `index`. - /// - /// # Safety - /// - /// If `index >= Self::lanes()` the behavior is undefined. - #[inline] - pub unsafe fn extract_unchecked(self, index: usize) -> bool { - use crate::llvm::simd_extract; - let x: $ielem_ty = simd_extract(self.0, index as u32); - x != 0 - } - - /// Returns a new vector where the value at `index` is replaced by - /// `new_value`. - /// - /// # Panics - /// - /// If `index >= Self::lanes()`. - #[inline] - #[must_use = "replace does not modify the original value - \ - it returns a new vector with the value at `index` \ - replaced by `new_value`d" - ] - pub fn replace(self, index: usize, new_value: bool) -> Self { - assert!(index < $elem_count); - unsafe { self.replace_unchecked(index, new_value) } - } - - /// Returns a new vector where the value at `index` is replaced by - /// `new_value`. - /// - /// # Safety - /// - /// If `index >= Self::lanes()` the behavior is undefined. - #[inline] - #[must_use = "replace_unchecked does not modify the original value - \ - it returns a new vector with the value at `index` \ - replaced by `new_value`d" - ] - pub unsafe fn replace_unchecked( - self, - index: usize, - new_value: bool, - ) -> Self { - use crate::llvm::simd_insert; - Simd(simd_insert(self.0, index as u32, - Self::bool_to_internal(new_value))) - } - } - - test_if!{ - $test_tt: - paste::item! { - pub mod [<$id _minimal>] { - use super::*; - #[cfg_attr(not(target_arch = "wasm32"), test)] - #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - fn minimal() { - // TODO: test new - - // lanes: - assert_eq!($elem_count, $id::lanes()); - - // splat and extract / extract_unchecked: - let vec = $id::splat(true); - for i in 0..$id::lanes() { - assert_eq!(true, vec.extract(i)); - assert_eq!(true, - unsafe { vec.extract_unchecked(i) } - ); - } - - // replace / replace_unchecked - let new_vec = vec.replace(0, false); - for i in 0..$id::lanes() { - if i == 0 { - assert_eq!(false, new_vec.extract(i)); - } else { - assert_eq!(true, new_vec.extract(i)); - } - } - let new_vec = unsafe { - vec.replace_unchecked(0, false) - }; - for i in 0..$id::lanes() { - if i == 0 { - assert_eq!(false, new_vec.extract(i)); - } else { - assert_eq!(true, new_vec.extract(i)); - } - } - } - - // FIXME: wasm-bindgen-test does not support #[should_panic] - // #[cfg_attr(not(target_arch = "wasm32"), test)] - // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - #[cfg(not(target_arch = "wasm32"))] - #[test] - #[should_panic] - fn extract_panic_oob() { - let vec = $id::splat(false); - let _ = vec.extract($id::lanes()); - } - // FIXME: wasm-bindgen-test does not support #[should_panic] - // #[cfg_attr(not(target_arch = "wasm32"), test)] - // #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] - #[cfg(not(target_arch = "wasm32"))] - #[test] - #[should_panic] - fn replace_panic_oob() { - let vec = $id::splat(false); - let _ = vec.replace($id::lanes(), true); - } - } - } - } - } -} |