| //! Run-time feature detection on PowerPC64. |
| |
| /// Checks if `powerpc64` feature is enabled. |
| #[macro_export] |
| #[unstable(feature = "stdsimd", issue = "27731")] |
| #[allow_internal_unstable(stdsimd_internal,stdsimd)] |
| macro_rules! is_powerpc64_feature_detected { |
| ("altivec") => { |
| cfg!(target_feature = "altivec") || |
| $crate::detect::check_for($crate::detect::Feature::altivec) |
| }; |
| ("vsx") => { |
| cfg!(target_feature = "vsx") || |
| $crate::detect::check_for($crate::detect::Feature::vsx) |
| }; |
| ("power8") => { |
| cfg!(target_feature = "power8") || |
| $crate::detect::check_for($crate::detect::Feature::power8) |
| }; |
| ($t:tt,) => { |
| is_powerpc64_feature_detected!($t); |
| }; |
| ($t:tt) => { compile_error!(concat!("unknown powerpc64 target feature: ", $t)) }; |
| } |
| |
| |
| /// PowerPC64 CPU Feature enum. Each variant denotes a position in a bitset |
| /// for a particular feature. |
| /// |
| /// PLEASE: do not use this, it is an implementation detail subject to change. |
| #[doc(hidden)] |
| #[allow(non_camel_case_types)] |
| #[repr(u8)] |
| #[unstable(feature = "stdsimd_internal", issue = "0")] |
| pub enum Feature { |
| /// Altivec |
| altivec, |
| /// VSX |
| vsx, |
| /// Power8 |
| power8, |
| } |