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Mention std::is_aarch64_feature_detected #1061

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Mention std::is_aarch64_feature_detected #1061

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7 changes: 4 additions & 3 deletions src/attributes/codegen.md
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Expand Up @@ -149,8 +149,8 @@ enabling or disabling compilation of code based on compile-time settings. Note
that this option is not affected by the `target_feature` attribute, and is
only driven by the features enabled for the entire crate.

See the [`is_x86_feature_detected`] macro in the standard library for runtime
feature detection on the x86 platforms.
See the [`is_x86_feature_detected`] or [`is_aarch64_feature_detected`] macros
in the standard library for runtime feature detection on these platforms.

> Note: `rustc` has a default set of features enabled for each target and CPU.
> The CPU may be chosen with the [`-C target-cpu`] flag. Individual features
Expand Down Expand Up @@ -267,7 +267,8 @@ trait object whose methods are attributed.
[_MetaListNameValueStr_]: ../attributes.md#meta-item-attribute-syntax
[`-C target-cpu`]: ../../rustc/codegen-options/index.html#target-cpu
[`-C target-feature`]: ../../rustc/codegen-options/index.html#target-feature
[`is_x86_feature_detected`]: ../../std/macro.is_x86_feature_detected.html
[`is_x86_feature_detected`]: ../../std/arch/macro.is_x86_feature_detected.html
[`is_aarch64_feature_detected`]: ../../std/arch/macro.is_aarch64_feature_detected.html
[`target_feature` conditional compilation option]: ../conditional-compilation.md#target_feature
[attribute]: ../attributes.md
[attributes]: ../attributes.md
Expand Down