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