libm - cargo Package Compare versions

Comparing version 0.2.14 to 0.2.15

.cargo_vcs_info.json

 {
   "git": {
-    "sha1": "257dd4808950ec85ed9ecffb8116c550079684f7"
+    "sha1": "a4c748f72a1dce652cc3e41c3a8425731bd1519a"
   },
   "path_in_vcs": "libm"
 }

Cargo.lock

@@ -7,3 +7,3 @@ # This file is automatically @generated by Cargo.
 name = "libm"
-version = "0.2.14"
+version = "0.2.15"
 dependencies = [
@@ -10,0 +10,0 @@ "no-panic",

Cargo.toml

@@ -16,3 +16,3 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
 name = "libm"
-version = "0.2.14"
+version = "0.2.15"
 authors = ["Jorge Aparicio <[e-mail]>"]
@@ -19,0 +19,0 @@ build = "build.rs"

CHANGELOG.md

@@ -11,2 +11,8 @@ # Changelog
 
+## [0.2.15](https://github.com/rust-lang/compiler-builtins/compare/libm-v0.2.14...libm-v0.2.15) - 2025-05-06
+
+### Other
+
+- Require `target_has_atomic = "ptr"` for runtime feature detection
+
 ## [0.2.14](https://github.com/rust-lang/compiler-builtins/compare/libm-v0.2.13...libm-v0.2.14) - 2025-05-03
@@ -13,0 +19,0 @@

src/math/arch/x86/detect.rs

@@ -0,1 +1,4 @@
+// Using runtime feature detection requires atomics. Currently there are no x86 targets
+// that support sse but not `AtomicPtr`.
+
 #[cfg(target_arch = "x86")]
@@ -6,7 +9,7 @@ use core::arch::x86::{__cpuid, __cpuid_count, _xgetbv, CpuidResult};
 
-use crate::support::{Flags, get_or_init_flags_cache};
+use crate::support::feature_detect::{Flags, get_or_init_flags_cache, unique_masks};
 
 /// CPU features that get cached (doesn't correlate to anything on the CPU).
 pub mod cpu_flags {
-    use crate::support::unique_masks;
+    use super::unique_masks;
 
@@ -13,0 +16,0 @@ unique_masks! {

src/math/arch/x86/fma.rs

@@ -7,3 +7,4 @@ //! Use assembly fma if the `fma` or `fma4` feature is detected at runtime.
 use super::detect::{cpu_flags, get_cpu_features};
-use crate::support::{Round, select_once};
+use crate::support::Round;
+use crate::support::feature_detect::select_once;
 
@@ -10,0 +11,0 @@ pub fn fma(x: f64, y: f64, z: f64) -> f64 {

src/math/generic/ceil.rs

@@ -10,4 +10,3 @@ /* SPDX-License-Identifier: MIT */
 
-use super::super::support::{FpResult, Status};
-use super::super::{Float, Int, IntTy, MinInt};
+use crate::support::{Float, FpResult, Int, IntTy, MinInt, Status};
 
@@ -14,0 +13,0 @@ #[inline]

src/math/generic/copysign.rs

@@ -1,2 +0,2 @@
-use super::super::Float;
+use crate::support::Float;
 
@@ -3,0 +3,0 @@ /// Copy the sign of `y` to `x`.

src/math/generic/fabs.rs

@@ -1,2 +0,2 @@
-use super::super::Float;
+use crate::support::Float;
 
@@ -3,0 +3,0 @@ /// Absolute value.

src/math/generic/fdim.rs

@@ -1,2 +0,2 @@
-use super::super::Float;
+use crate::support::Float;
 
@@ -3,0 +3,0 @@ #[inline]

src/math/generic/floor.rs

@@ -10,4 +10,3 @@ /* SPDX-License-Identifier: MIT
 
-use super::super::support::{FpResult, Status};
-use super::super::{Float, Int, IntTy, MinInt};
+use crate::support::{Float, FpResult, Int, IntTy, MinInt, Status};
 
@@ -14,0 +13,0 @@ #[inline]

src/math/generic/fmax.rs

@@ -17,3 +17,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -20,0 +20,0 @@ #[inline]

src/math/generic/fmaximum_num.rs

@@ -14,3 +14,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -17,0 +17,0 @@ #[inline]

src/math/generic/fmaximum.rs

@@ -12,3 +12,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -15,0 +15,0 @@ #[inline]

src/math/generic/fmin.rs

@@ -17,3 +17,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -20,0 +20,0 @@ #[inline]

src/math/generic/fminimum_num.rs

@@ -14,3 +14,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -17,0 +17,0 @@ #[inline]

src/math/generic/fminimum.rs

@@ -12,3 +12,3 @@ /* SPDX-License-Identifier: MIT OR Apache-2.0 */
 
-use super::super::Float;
+use crate::support::Float;
 
@@ -15,0 +15,0 @@ #[inline]

src/math/generic/fmod.rs

 /* SPDX-License-Identifier: MIT OR Apache-2.0 */
-use super::super::{CastFrom, Float, Int, MinInt};
+use crate::support::{CastFrom, Float, Int, MinInt};
 
@@ -4,0 +4,0 @@ #[inline]

src/math/generic/rint.rs

 /* SPDX-License-Identifier: MIT */
 /* origin: musl src/math/rint.c */
 
-use super::super::Float;
-use super::super::support::{FpResult, Round};
+use crate::support::{Float, FpResult, Round};
 
@@ -7,0 +6,0 @@ /// IEEE 754-2019 `roundToIntegralExact`, which respects rounding mode and raises inexact if

src/math/generic/round.rs

@@ -1,3 +0,3 @@
-use super::super::{Float, MinInt};
 use super::{copysign, trunc};
+use crate::support::{Float, MinInt};
 
@@ -4,0 +4,0 @@ #[inline]

src/math/generic/scalbn.rs

@@ -1,2 +0,2 @@
-use super::super::{CastFrom, CastInto, Float, IntTy, MinInt};
+use crate::support::{CastFrom, CastInto, Float, IntTy, MinInt};
 
@@ -3,0 +3,0 @@ /// Scale the exponent.

src/math/generic/sqrt.rs

@@ -44,4 +44,5 @@ /* SPDX-License-Identifier: MIT */
 
-use super::super::support::{FpResult, IntTy, Round, Status, cold_path};
-use super::super::{CastFrom, CastInto, DInt, Float, HInt, Int, MinInt};
+use crate::support::{
+    CastFrom, CastInto, DInt, Float, FpResult, HInt, Int, IntTy, MinInt, Round, Status, cold_path,
+};
 
@@ -48,0 +49,0 @@ #[inline]

src/math/generic/trunc.rs

 /* SPDX-License-Identifier: MIT
  * origin: musl src/math/trunc.c */
 
-use super::super::support::{FpResult, Status};
-use super::super::{Float, Int, IntTy, MinInt};
+use crate::support::{Float, FpResult, Int, IntTy, MinInt, Status};
 
@@ -7,0 +6,0 @@ #[inline]

src/math/support/feature_detect.rs

 //! Helpers for runtime target feature detection that are shared across architectures.
 
+// `AtomicU32` is preferred for a consistent size across targets.
+#[cfg(all(target_has_atomic = "ptr", not(target_has_atomic = "32")))]
+compile_error!("currently all targets that support `AtomicPtr` also support `AtomicU32`");
+
 use core::sync::atomic::{AtomicU32, Ordering};
@@ -75,2 +79,3 @@
 
+#[allow(unused_imports)]
 pub(crate) use {select_once, unique_masks};
@@ -77,0 +82,0 @@

src/math/support/mod.rs

@@ -5,3 +5,5 @@ #[macro_use]
 mod env;
-mod feature_detect;
+// Runtime feature detection requires atomics.
+#[cfg(target_has_atomic = "ptr")]
+pub(crate) mod feature_detect;
 mod float_traits;
@@ -15,4 +17,2 @@ pub mod hex_float;
 #[allow(unused_imports)]
-pub(crate) use feature_detect::{Flags, get_or_init_flags_cache, select_once, unique_masks};
-#[allow(unused_imports)]
 pub use float_traits::{DFloat, Float, HFloat, IntTy};
@@ -19,0 +19,0 @@ pub(crate) use float_traits::{f32_from_bits, f64_from_bits};

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