src/stdarch/crates/std_detect/src/detect/arch/powerpc64.rs

   1 //! Run-time feature detection on PowerPC64.
   2
   3 /// Checks if `powerpc64` feature is enabled.
   4 #[macro_export]
   5 #[unstable(feature = "stdsimd", issue = "27731")]
   6 #[allow_internal_unstable(stdsimd_internal,stdsimd)]
   7 macro_rules! is_powerpc64_feature_detected {
   8     ("altivec") => {
   9         cfg!(target_feature = "altivec") ||
  10             $crate::detect::check_for($crate::detect::Feature::altivec)
  11     };
  12     ("vsx") => {
  13         cfg!(target_feature = "vsx") ||
  14             $crate::detect::check_for($crate::detect::Feature::vsx)
  15     };
  16     ("power8") => {
  17         cfg!(target_feature = "power8") ||
  18             $crate::detect::check_for($crate::detect::Feature::power8)
  19     };
  20     ($t:tt,) => {
  21         is_powerpc64_feature_detected!($t);
  22     };
  23     ($t:tt) => { compile_error!(concat!("unknown powerpc64 target feature: ", $t)) };
  24 }
  25
  26
  27 /// PowerPC64 CPU Feature enum. Each variant denotes a position in a bitset
  28 /// for a particular feature.
  29 ///
  30 /// PLEASE: do not use this, it is an implementation detail subject to change.
  31 #[doc(hidden)]
  32 #[allow(non_camel_case_types)]
  33 #[repr(u8)]
  34 #[unstable(feature = "stdsimd_internal", issue = "0")]
  35 pub enum Feature {
  36     /// Altivec
  37     altivec,
  38     /// VSX
  39     vsx,
  40     /// Power8
  41     power8,
  42 }