diff --git a/library/portable-simd/beginners-guide.md b/library/portable-simd/beginners-guide.md index 17ade06ae80f..dc08d847ced5 100644 --- a/library/portable-simd/beginners-guide.md +++ b/library/portable-simd/beginners-guide.md @@ -80,12 +80,12 @@ Most of the portable SIMD API is designed to allow the user to gloss over the de Fortunately, most SIMD types have a fairly predictable size. `i32x4` is bit-equivalent to `[i32; 4]` and so can be bitcast to it, e.g. using [`mem::transmute`], though the API usually offers a safe cast you can use instead. -However, this is not the same as alignment. Computer architectures generally prefer aligned accesses, especially when moving data between memory and vector registers, and while some support specialized operations that can bend the rules to help with this, unaligned access is still typically slow, or even undefined behavior. In addition, different architectures can require different alignments when interacting with their native SIMD types. For this reason, any `#[repr(simd)]` type has a non-portable alignment. If it is necessary to directly interact with the alignment of these types, it should be via [`mem::align_of`]. +However, this is not the same as alignment. Computer architectures generally prefer aligned accesses, especially when moving data between memory and vector registers, and while some support specialized operations that can bend the rules to help with this, unaligned access is still typically slow, or even undefined behavior. In addition, different architectures can require different alignments when interacting with their native SIMD types. For this reason, any `#[repr(simd)]` type has a non-portable alignment. If it is necessary to directly interact with the alignment of these types, it should be via [`align_of`]. When working with slices, data correctly aligned for SIMD can be acquired using the [`as_simd`] and [`as_simd_mut`] methods of the slice primitive. [`mem::transmute`]: https://doc.rust-lang.org/core/mem/fn.transmute.html -[`mem::align_of`]: https://doc.rust-lang.org/core/mem/fn.align_of.html +[`align_of`]: https://doc.rust-lang.org/core/mem/fn.align_of.html [`as_simd`]: https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_simd [`as_simd_mut`]: https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.as_simd_mut diff --git a/library/portable-simd/crates/core_simd/Cargo.toml b/library/portable-simd/crates/core_simd/Cargo.toml index a7a6d43b11d3..537ce459c07c 100644 --- a/library/portable-simd/crates/core_simd/Cargo.toml +++ b/library/portable-simd/crates/core_simd/Cargo.toml @@ -1,7 +1,7 @@ [package] name = "core_simd" version = "0.1.0" -edition = "2021" +edition = "2024" homepage = "https://github.com/rust-lang/portable-simd" repository = "https://github.com/rust-lang/portable-simd" keywords = ["core", "simd", "intrinsics"] diff --git a/library/portable-simd/crates/core_simd/src/lib.rs b/library/portable-simd/crates/core_simd/src/lib.rs index 7f57847c9c23..717b882b64ba 100644 --- a/library/portable-simd/crates/core_simd/src/lib.rs +++ b/library/portable-simd/crates/core_simd/src/lib.rs @@ -35,7 +35,11 @@ feature(stdarch_x86_avx512) )] #![warn(missing_docs, clippy::missing_inline_in_public_items)] // basically all items, really -#![deny(unsafe_op_in_unsafe_fn, clippy::undocumented_unsafe_blocks)] +#![deny( + unsafe_op_in_unsafe_fn, + unreachable_pub, + clippy::undocumented_unsafe_blocks +)] #![doc(test(attr(deny(warnings))))] #![allow(internal_features)] #![unstable(feature = "portable_simd", issue = "86656")] diff --git a/library/portable-simd/crates/core_simd/src/masks/bitmask.rs b/library/portable-simd/crates/core_simd/src/masks/bitmask.rs index db4312d5bf88..8221d8f17e90 100644 --- a/library/portable-simd/crates/core_simd/src/masks/bitmask.rs +++ b/library/portable-simd/crates/core_simd/src/masks/bitmask.rs @@ -5,7 +5,7 @@ /// A mask where each lane is represented by a single bit. #[repr(transparent)] -pub struct Mask( +pub(crate) struct Mask( as SupportedLaneCount>::BitMask, PhantomData, ) @@ -78,7 +78,7 @@ impl Mask { #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub fn splat(value: bool) -> Self { + pub(crate) fn splat(value: bool) -> Self { let mut mask = as SupportedLaneCount>::BitMask::default(); if value { mask.as_mut().fill(u8::MAX) @@ -93,12 +93,12 @@ pub fn splat(value: bool) -> Self { #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub unsafe fn test_unchecked(&self, lane: usize) -> bool { + pub(crate) unsafe fn test_unchecked(&self, lane: usize) -> bool { (self.0.as_ref()[lane / 8] >> (lane % 8)) & 0x1 > 0 } #[inline] - pub unsafe fn set_unchecked(&mut self, lane: usize, value: bool) { + pub(crate) unsafe fn set_unchecked(&mut self, lane: usize, value: bool) { unsafe { self.0.as_mut()[lane / 8] ^= ((value ^ self.test_unchecked(lane)) as u8) << (lane % 8) } @@ -106,7 +106,7 @@ pub unsafe fn set_unchecked(&mut self, lane: usize, value: bool) { #[inline] #[must_use = "method returns a new vector and does not mutate the original value"] - pub fn to_int(self) -> Simd { + pub(crate) fn to_int(self) -> Simd { unsafe { core::intrinsics::simd::simd_select_bitmask( self.0, @@ -118,19 +118,19 @@ pub fn to_int(self) -> Simd { #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub unsafe fn from_int_unchecked(value: Simd) -> Self { + pub(crate) unsafe fn from_int_unchecked(value: Simd) -> Self { unsafe { Self(core::intrinsics::simd::simd_bitmask(value), PhantomData) } } #[inline] - pub fn to_bitmask_integer(self) -> u64 { + pub(crate) fn to_bitmask_integer(self) -> u64 { let mut bitmask = [0u8; 8]; bitmask[..self.0.as_ref().len()].copy_from_slice(self.0.as_ref()); u64::from_ne_bytes(bitmask) } #[inline] - pub fn from_bitmask_integer(bitmask: u64) -> Self { + pub(crate) fn from_bitmask_integer(bitmask: u64) -> Self { let mut bytes = as SupportedLaneCount>::BitMask::default(); let len = bytes.as_mut().len(); bytes @@ -141,7 +141,7 @@ pub fn from_bitmask_integer(bitmask: u64) -> Self { #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub fn convert(self) -> Mask + pub(crate) fn convert(self) -> Mask where U: MaskElement, { @@ -151,13 +151,13 @@ pub fn convert(self) -> Mask #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub fn any(self) -> bool { + pub(crate) fn any(self) -> bool { self != Self::splat(false) } #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub fn all(self) -> bool { + pub(crate) fn all(self) -> bool { self == Self::splat(true) } } diff --git a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs index 387b508c4b4e..4e98db4070a9 100644 --- a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs +++ b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs @@ -3,7 +3,7 @@ use crate::simd::{LaneCount, MaskElement, Simd, SupportedLaneCount}; #[repr(transparent)] -pub struct Mask(Simd) +pub(crate) struct Mask(Simd) where T: MaskElement, LaneCount: SupportedLaneCount; @@ -80,7 +80,7 @@ impl ReverseBits for $int { #[inline(always)] fn reverse_bits(self, n: usize) -> Self { let rev = <$int>::reverse_bits(self); - let bitsize = core::mem::size_of::<$int>() * 8; + let bitsize = size_of::<$int>() * 8; if n < bitsize { // Shift things back to the right rev >> (bitsize - n) @@ -102,36 +102,36 @@ impl Mask { #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub fn splat(value: bool) -> Self { + pub(crate) fn splat(value: bool) -> Self { Self(Simd::splat(if value { T::TRUE } else { T::FALSE })) } #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub unsafe fn test_unchecked(&self, lane: usize) -> bool { + pub(crate) unsafe fn test_unchecked(&self, lane: usize) -> bool { T::eq(self.0[lane], T::TRUE) } #[inline] - pub unsafe fn set_unchecked(&mut self, lane: usize, value: bool) { + pub(crate) unsafe fn set_unchecked(&mut self, lane: usize, value: bool) { self.0[lane] = if value { T::TRUE } else { T::FALSE } } #[inline] #[must_use = "method returns a new vector and does not mutate the original value"] - pub fn to_int(self) -> Simd { + pub(crate) fn to_int(self) -> Simd { self.0 } #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub unsafe fn from_int_unchecked(value: Simd) -> Self { + pub(crate) unsafe fn from_int_unchecked(value: Simd) -> Self { Self(value) } #[inline] #[must_use = "method returns a new mask and does not mutate the original value"] - pub fn convert(self) -> Mask + pub(crate) fn convert(self) -> Mask where U: MaskElement, { @@ -220,14 +220,14 @@ pub(crate) fn from_bitmask_integer(bitmask: u64) -> Self { #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub fn any(self) -> bool { + pub(crate) fn any(self) -> bool { // Safety: use `self` as an integer vector unsafe { core::intrinsics::simd::simd_reduce_any(self.to_int()) } } #[inline] #[must_use = "method returns a new bool and does not mutate the original value"] - pub fn all(self) -> bool { + pub(crate) fn all(self) -> bool { // Safety: use `self` as an integer vector unsafe { core::intrinsics::simd::simd_reduce_all(self.to_int()) } } diff --git a/library/portable-simd/crates/core_simd/src/ops.rs b/library/portable-simd/crates/core_simd/src/ops.rs index 4ac64a253a3b..f36e8d01a73b 100644 --- a/library/portable-simd/crates/core_simd/src/ops.rs +++ b/library/portable-simd/crates/core_simd/src/ops.rs @@ -1,4 +1,4 @@ -use crate::simd::{cmp::SimdPartialEq, LaneCount, Simd, SimdElement, SupportedLaneCount}; +use crate::simd::{LaneCount, Simd, SimdElement, SupportedLaneCount, cmp::SimdPartialEq}; use core::ops::{Add, Mul}; use core::ops::{BitAnd, BitOr, BitXor}; use core::ops::{Div, Rem, Sub}; diff --git a/library/portable-simd/crates/core_simd/src/simd/cmp/eq.rs b/library/portable-simd/crates/core_simd/src/simd/cmp/eq.rs index 93989ce91b89..2312ba401fa7 100644 --- a/library/portable-simd/crates/core_simd/src/simd/cmp/eq.rs +++ b/library/portable-simd/crates/core_simd/src/simd/cmp/eq.rs @@ -1,6 +1,6 @@ use crate::simd::{ - ptr::{SimdConstPtr, SimdMutPtr}, LaneCount, Mask, Simd, SimdElement, SupportedLaneCount, + ptr::{SimdConstPtr, SimdMutPtr}, }; /// Parallel `PartialEq`. diff --git a/library/portable-simd/crates/core_simd/src/simd/cmp/ord.rs b/library/portable-simd/crates/core_simd/src/simd/cmp/ord.rs index 899f00a83164..e813e7613032 100644 --- a/library/portable-simd/crates/core_simd/src/simd/cmp/ord.rs +++ b/library/portable-simd/crates/core_simd/src/simd/cmp/ord.rs @@ -1,7 +1,7 @@ use crate::simd::{ + LaneCount, Mask, Simd, SupportedLaneCount, cmp::SimdPartialEq, ptr::{SimdConstPtr, SimdMutPtr}, - LaneCount, Mask, Simd, SupportedLaneCount, }; /// Parallel `PartialOrd`. diff --git a/library/portable-simd/crates/core_simd/src/simd/num/float.rs b/library/portable-simd/crates/core_simd/src/simd/num/float.rs index db705dfe2022..b5972c47373b 100644 --- a/library/portable-simd/crates/core_simd/src/simd/num/float.rs +++ b/library/portable-simd/crates/core_simd/src/simd/num/float.rs @@ -1,7 +1,7 @@ use super::sealed::Sealed; use crate::simd::{ - cmp::{SimdPartialEq, SimdPartialOrd}, LaneCount, Mask, Simd, SimdCast, SimdElement, SupportedLaneCount, + cmp::{SimdPartialEq, SimdPartialOrd}, }; /// Operations on SIMD vectors of floats. @@ -263,7 +263,8 @@ fn cast(self) -> Self::Cast unsafe { core::intrinsics::simd::simd_as(self) } } - // https://github.com/llvm/llvm-project/issues/94694 + // workaround for https://github.com/llvm/llvm-project/issues/94694 (fixed in LLVM 20) + // tracked in: https://github.com/rust-lang/rust/issues/135982 #[cfg(target_arch = "aarch64")] #[inline] fn cast(self) -> Self::Cast @@ -302,14 +303,14 @@ unsafe fn to_int_unchecked(self) -> Self::Cast #[inline] fn to_bits(self) -> Simd<$bits_ty, N> { - assert_eq!(core::mem::size_of::(), core::mem::size_of::()); + assert_eq!(size_of::(), size_of::()); // Safety: transmuting between vector types is safe unsafe { core::mem::transmute_copy(&self) } } #[inline] fn from_bits(bits: Simd<$bits_ty, N>) -> Self { - assert_eq!(core::mem::size_of::(), core::mem::size_of::()); + assert_eq!(size_of::(), size_of::()); // Safety: transmuting between vector types is safe unsafe { core::mem::transmute_copy(&bits) } } diff --git a/library/portable-simd/crates/core_simd/src/simd/num/int.rs b/library/portable-simd/crates/core_simd/src/simd/num/int.rs index 3a51235ff954..d25050c3e4b4 100644 --- a/library/portable-simd/crates/core_simd/src/simd/num/int.rs +++ b/library/portable-simd/crates/core_simd/src/simd/num/int.rs @@ -1,7 +1,7 @@ use super::sealed::Sealed; use crate::simd::{ - cmp::SimdOrd, cmp::SimdPartialOrd, num::SimdUint, LaneCount, Mask, Simd, SimdCast, SimdElement, - SupportedLaneCount, + LaneCount, Mask, Simd, SimdCast, SimdElement, SupportedLaneCount, cmp::SimdOrd, + cmp::SimdPartialOrd, num::SimdUint, }; /// Operations on SIMD vectors of signed integers. diff --git a/library/portable-simd/crates/core_simd/src/simd/num/uint.rs b/library/portable-simd/crates/core_simd/src/simd/num/uint.rs index 1ab2d8c7b731..45d978068b66 100644 --- a/library/portable-simd/crates/core_simd/src/simd/num/uint.rs +++ b/library/portable-simd/crates/core_simd/src/simd/num/uint.rs @@ -1,5 +1,5 @@ use super::sealed::Sealed; -use crate::simd::{cmp::SimdOrd, LaneCount, Simd, SimdCast, SimdElement, SupportedLaneCount}; +use crate::simd::{LaneCount, Simd, SimdCast, SimdElement, SupportedLaneCount, cmp::SimdOrd}; /// Operations on SIMD vectors of unsigned integers. pub trait SimdUint: Copy + Sealed { diff --git a/library/portable-simd/crates/core_simd/src/simd/prelude.rs b/library/portable-simd/crates/core_simd/src/simd/prelude.rs index 4b7c744c0132..e5d7a2aeb73d 100644 --- a/library/portable-simd/crates/core_simd/src/simd/prelude.rs +++ b/library/portable-simd/crates/core_simd/src/simd/prelude.rs @@ -7,10 +7,11 @@ #[doc(no_inline)] pub use super::{ + Mask, Simd, cmp::{SimdOrd, SimdPartialEq, SimdPartialOrd}, num::{SimdFloat, SimdInt, SimdUint}, ptr::{SimdConstPtr, SimdMutPtr}, - simd_swizzle, Mask, Simd, + simd_swizzle, }; #[rustfmt::skip] diff --git a/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs b/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs index 47383809ffba..36452e7ae920 100644 --- a/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs @@ -1,5 +1,5 @@ use super::sealed::Sealed; -use crate::simd::{cmp::SimdPartialEq, num::SimdUint, LaneCount, Mask, Simd, SupportedLaneCount}; +use crate::simd::{LaneCount, Mask, Simd, SupportedLaneCount, cmp::SimdPartialEq, num::SimdUint}; /// Operations on SIMD vectors of constant pointers. pub trait SimdConstPtr: Copy + Sealed { diff --git a/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs b/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs index 3f20eef21a31..c644f390c20a 100644 --- a/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs @@ -1,5 +1,5 @@ use super::sealed::Sealed; -use crate::simd::{cmp::SimdPartialEq, num::SimdUint, LaneCount, Mask, Simd, SupportedLaneCount}; +use crate::simd::{LaneCount, Mask, Simd, SupportedLaneCount, cmp::SimdPartialEq, num::SimdUint}; /// Operations on SIMD vectors of mutable pointers. pub trait SimdMutPtr: Copy + Sealed { diff --git a/library/portable-simd/crates/core_simd/src/swizzle.rs b/library/portable-simd/crates/core_simd/src/swizzle.rs index 42425ef37e50..dbdd6ef40eba 100644 --- a/library/portable-simd/crates/core_simd/src/swizzle.rs +++ b/library/portable-simd/crates/core_simd/src/swizzle.rs @@ -214,6 +214,17 @@ impl Swizzle for Reverse { /// Rotates the vector such that the first `OFFSET` elements of the slice move to the end /// while the last `self.len() - OFFSET` elements move to the front. After calling `rotate_elements_left`, /// the element previously at index `OFFSET` will become the first element in the slice. + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd::Simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd::Simd; + /// let a = Simd::from_array([0, 1, 2, 3]); + /// let x = a.rotate_elements_left::<3>(); + /// assert_eq!(x.to_array(), [3, 0, 1, 2]); + /// + /// let y = a.rotate_elements_left::<7>(); + /// assert_eq!(y.to_array(), [3, 0, 1, 2]); + /// ``` #[inline] #[must_use = "method returns a new vector and does not mutate the original inputs"] pub fn rotate_elements_left(self) -> Self { @@ -238,6 +249,17 @@ impl Swizzle for Rotate { /// Rotates the vector such that the first `self.len() - OFFSET` elements of the vector move to /// the end while the last `OFFSET` elements move to the front. After calling `rotate_elements_right`, /// the element previously at index `self.len() - OFFSET` will become the first element in the slice. + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd::Simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd::Simd; + /// let a = Simd::from_array([0, 1, 2, 3]); + /// let x = a.rotate_elements_right::<3>(); + /// assert_eq!(x.to_array(), [1, 2, 3, 0]); + /// + /// let y = a.rotate_elements_right::<7>(); + /// assert_eq!(y.to_array(), [1, 2, 3, 0]); + /// ``` #[inline] #[must_use = "method returns a new vector and does not mutate the original inputs"] pub fn rotate_elements_right(self) -> Self { @@ -261,6 +283,17 @@ impl Swizzle for Rotate { /// Shifts the vector elements to the left by `OFFSET`, filling in with /// `padding` from the right. + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd::Simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd::Simd; + /// let a = Simd::from_array([0, 1, 2, 3]); + /// let x = a.shift_elements_left::<3>(255); + /// assert_eq!(x.to_array(), [3, 255, 255, 255]); + /// + /// let y = a.shift_elements_left::<7>(255); + /// assert_eq!(y.to_array(), [255, 255, 255, 255]); + /// ``` #[inline] #[must_use = "method returns a new vector and does not mutate the original inputs"] pub fn shift_elements_left(self, padding: T) -> Self { @@ -283,6 +316,17 @@ impl Swizzle for Shift { /// Shifts the vector elements to the right by `OFFSET`, filling in with /// `padding` from the left. + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd::Simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd::Simd; + /// let a = Simd::from_array([0, 1, 2, 3]); + /// let x = a.shift_elements_right::<3>(255); + /// assert_eq!(x.to_array(), [255, 255, 255, 0]); + /// + /// let y = a.shift_elements_right::<7>(255); + /// assert_eq!(y.to_array(), [255, 255, 255, 255]); + /// ``` #[inline] #[must_use = "method returns a new vector and does not mutate the original inputs"] pub fn shift_elements_right(self, padding: T) -> Self { diff --git a/library/portable-simd/crates/core_simd/src/to_bytes.rs b/library/portable-simd/crates/core_simd/src/to_bytes.rs index 4833ea9e1136..fee2cc06c5b0 100644 --- a/library/portable-simd/crates/core_simd/src/to_bytes.rs +++ b/library/portable-simd/crates/core_simd/src/to_bytes.rs @@ -1,6 +1,6 @@ use crate::simd::{ - num::{SimdFloat, SimdInt, SimdUint}, LaneCount, Simd, SimdElement, SupportedLaneCount, + num::{SimdFloat, SimdInt, SimdUint}, }; mod sealed { diff --git a/library/portable-simd/crates/core_simd/src/vector.rs b/library/portable-simd/crates/core_simd/src/vector.rs index 9c4dd36c24fe..d76a6cd52bfc 100644 --- a/library/portable-simd/crates/core_simd/src/vector.rs +++ b/library/portable-simd/crates/core_simd/src/vector.rs @@ -1,8 +1,8 @@ use crate::simd::{ + LaneCount, Mask, MaskElement, SupportedLaneCount, Swizzle, cmp::SimdPartialOrd, num::SimdUint, ptr::{SimdConstPtr, SimdMutPtr}, - LaneCount, Mask, MaskElement, SupportedLaneCount, Swizzle, }; /// A SIMD vector with the shape of `[T; N]` but the operations of `T`. @@ -83,7 +83,7 @@ /// converting `[T]` to `[Simd]`, and allows soundly operating on an aligned SIMD body, /// but it may cost more time when handling the scalar head and tail. /// If these are not enough, it is most ideal to design data structures to be already aligned -/// to `mem::align_of::>()` before using `unsafe` Rust to read or write. +/// to `align_of::>()` before using `unsafe` Rust to read or write. /// Other ways to compensate for these facts, like materializing `Simd` to or from an array first, /// are handled by safe methods like [`Simd::from_array`] and [`Simd::from_slice`]. /// diff --git a/library/portable-simd/crates/core_simd/tests/layout.rs b/library/portable-simd/crates/core_simd/tests/layout.rs index 24114c2d261e..3b4666249b0d 100644 --- a/library/portable-simd/crates/core_simd/tests/layout.rs +++ b/library/portable-simd/crates/core_simd/tests/layout.rs @@ -7,8 +7,8 @@ mod $mod { test_helpers::test_lanes! { fn no_padding() { assert_eq!( - core::mem::size_of::>(), - core::mem::size_of::<[$ty; LANES]>(), + size_of::>(), + size_of::<[$ty; LANES]>(), ); } } diff --git a/library/portable-simd/crates/core_simd/tests/pointers.rs b/library/portable-simd/crates/core_simd/tests/pointers.rs index d7db4e82b3ca..6e74c2d18b1e 100644 --- a/library/portable-simd/crates/core_simd/tests/pointers.rs +++ b/library/portable-simd/crates/core_simd/tests/pointers.rs @@ -1,8 +1,8 @@ #![feature(portable_simd)] use core_simd::simd::{ - ptr::{SimdConstPtr, SimdMutPtr}, Simd, + ptr::{SimdConstPtr, SimdMutPtr}, }; macro_rules! common_tests { diff --git a/library/portable-simd/crates/core_simd/tests/round.rs b/library/portable-simd/crates/core_simd/tests/round.rs index 847766ec41ed..4c1ac3c36f89 100644 --- a/library/portable-simd/crates/core_simd/tests/round.rs +++ b/library/portable-simd/crates/core_simd/tests/round.rs @@ -58,7 +58,7 @@ fn to_int_unchecked() { // all of the mantissa digits set to 1, pushed up to the MSB. const ALL_MANTISSA_BITS: IntScalar = ((1 << ::MANTISSA_DIGITS) - 1); const MAX_REPRESENTABLE_VALUE: Scalar = - (ALL_MANTISSA_BITS << (core::mem::size_of::() * 8 - ::MANTISSA_DIGITS as usize - 1)) as Scalar; + (ALL_MANTISSA_BITS << (size_of::() * 8 - ::MANTISSA_DIGITS as usize - 1)) as Scalar; let mut runner = test_helpers::make_runner(); runner.run( diff --git a/library/portable-simd/crates/test_helpers/src/subnormals.rs b/library/portable-simd/crates/test_helpers/src/subnormals.rs index ec0f1fb24b93..b5f19ba47b81 100644 --- a/library/portable-simd/crates/test_helpers/src/subnormals.rs +++ b/library/portable-simd/crates/test_helpers/src/subnormals.rs @@ -12,7 +12,7 @@ macro_rules! impl_float { $( impl FlushSubnormals for $ty { fn flush(self) -> Self { - let is_f32 = core::mem::size_of::() == 4; + let is_f32 = size_of::() == 4; let ppc_flush = is_f32 && cfg!(all( any(target_arch = "powerpc", all(target_arch = "powerpc64", target_endian = "big")), target_feature = "altivec",