Merge pull request #394 from rust-lang/sync-upstream-2024-02-17

Sync upstream 2024 Feb 17

Author: calebzulawski

crates/core_simd/src/core_simd_docs.md

@@ -30,7 +30,7 @@ Instead, they map to a reasonable implementation of the operation for the target
 
 Consistency between targets is not compromised to use faster or fewer instructions.
 In some cases, `std::arch` will provide a faster function that has slightly different behavior than the `std::simd` equivalent.
-For example, [`_mm_min_ps`](`core::arch::x86_64::_mm_min_ps`)[^1] can be slightly faster than [`SimdFloat::simd_min`](`num::SimdFloat::simd_min`), but does not conform to the IEEE standard also used by [`f32::min`].
+For example, `_mm_min_ps`[^1] can be slightly faster than [`SimdFloat::simd_min`](`num::SimdFloat::simd_min`), but does not conform to the IEEE standard also used by [`f32::min`].
 When necessary, [`Simd<T, N>`] can be converted to the types provided by `std::arch` to make use of target-specific functions.
 
 Many targets simply don't have SIMD, or don't support SIMD for a particular element type.

crates/core_simd/src/swizzle_dyn.rs

@@ -55,7 +55,7 @@ where
                 16 => transize(vqtbl1q_u8, self, idxs),
                 #[cfg(all(target_feature = "avx2", not(target_feature = "avx512vbmi")))]
                 32 => transize_raw(avx2_pshufb, self, idxs),
-                #[cfg(target_feature = "avx512vl,avx512vbmi")]
+                #[cfg(all(target_feature = "avx512vl", target_feature = "avx512vbmi"))]
                 32 => transize(x86::_mm256_permutexvar_epi8, self, idxs),
                 // Notable absence: avx512bw shuffle
                 // If avx512bw is available, odds of avx512vbmi are good

crates/core_simd/src/vendor/arm.rs

@@ -7,9 +7,12 @@ use core::arch::arm::*;
 #[cfg(target_arch = "aarch64")]
 use core::arch::aarch64::*;
 
-#[cfg(any(
-    target_arch = "aarch64",
-    all(target_arch = "arm", target_feature = "v7"),
+#[cfg(all(
+    any(
+        target_arch = "aarch64",
+        all(target_arch = "arm", target_feature = "v7"),
+    ),
+    target_endian = "little"
 ))]
 mod neon {
     use super::*;