Merge pull request #525 from folkertdev/sync-from-rust-2026-04-28

Sync from rust 2026 04 28

Author: calebzulawski

crates/core_simd/src/simd/num/float.rs

@@ -385,13 +385,13 @@ macro_rules! impl_trait {
             #[inline]
             fn simd_min(self, other: Self) -> Self {
                 // Safety: `self` and `other` are float vectors
-                unsafe { core::intrinsics::simd::simd_fmin(self, other) }
+                unsafe { core::intrinsics::simd::simd_minimum_number_nsz(self, other) }
             }
 
             #[inline]
             fn simd_max(self, other: Self) -> Self {
                 // Safety: `self` and `other` are floating point vectors
-                unsafe { core::intrinsics::simd::simd_fmax(self, other) }
+                unsafe { core::intrinsics::simd::simd_maximum_number_nsz(self, other) }
             }
 
             #[inline]

crates/std_float/tests/float.rs

@@ -33,23 +33,6 @@ macro_rules! unary_approx_test {
     }
 }
 
-macro_rules! binary_approx_test {
-    { $scalar:tt, $($func:tt),+ } => {
-        test_helpers::test_lanes! {
-            $(
-            fn $func<const LANES: usize>() {
-                test_helpers::test_binary_elementwise_approx(
-                    &core_simd::simd::Simd::<$scalar, LANES>::$func,
-                    &$scalar::$func,
-                    &|_, _| true,
-                    16,
-                )
-            }
-            )*
-        }
-    }
-}
-
 macro_rules! ternary_test {
     { $scalar:tt, $($func:tt),+ } => {
         test_helpers::test_lanes! {
@@ -76,7 +59,19 @@ macro_rules! impl_tests {
 
             // https://github.com/rust-lang/miri/issues/3555
             unary_approx_test! { $scalar, sin, cos, exp, exp2, ln, log2, log10 }
-            binary_approx_test! { $scalar, log }
+
+            // The implementation of log is a.ln() / b.ln(), so there are 2 inexact operations,
+            // hence a larger ulps is needed.
+            test_helpers::test_lanes! {
+                fn log<const LANES: usize>() {
+                    test_helpers::test_binary_elementwise_approx(
+                        &core_simd::simd::Simd::<$scalar, LANES>::log,
+                        &$scalar::log,
+                        &|_, _| true,
+                        32,
+                    )
+                }
+            }
 
             test_helpers::test_lanes! {
                 fn fract<const LANES: usize>() {

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2026-03-18"
+channel = "nightly-2026-04-28"
 components = ["rustfmt", "clippy", "miri", "rust-src"]