macro_rules! is_mips64_feature_detected {
    ("msa") => { ... };
    ($t:tt,) => { ... };
    ($t:tt) => { ... };
}
🔬This is a nightly-only experimental API. (stdsimd #27731)
Available on MIPS-64 only.
Expand description

检查是否启用了 mips64 特性。