| 1 | /// Provides implementations of `From<$a> for $b` and `From<$b> for $a` that transmutes the value. |
| 2 | #[allow (unused)] |
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| 3 | macro_rules! from_transmute { |
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| 4 | { unsafe $a:ty => $b:ty } => { |
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| 5 | from_transmute!{ @impl $a => $b } |
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| 6 | from_transmute!{ @impl $b => $a } |
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| 7 | }; |
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| 8 | { @impl $from:ty => $to:ty } => { |
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| 9 | impl core::convert::From<$from> for $to { |
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| 10 | #[inline] |
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| 11 | fn from(value: $from) -> $to { |
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| 12 | // Safety: transmuting between vectors is safe, but the caller of this macro |
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| 13 | // checks the invariants |
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| 14 | unsafe { core::mem::transmute(value) } |
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| 15 | } |
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| 16 | } |
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| 17 | }; |
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| 18 | } |
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| 19 | |
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| 20 | /// Conversions to x86's SIMD types. |
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| 21 | #[cfg (any(target_arch = "x86" , target_arch = "x86_64" ))] |
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| 22 | mod x86; |
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| 23 | |
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| 24 | #[cfg (target_arch = "wasm32" )] |
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| 25 | mod wasm32; |
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| 26 | |
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| 27 | #[cfg (any(target_arch = "aarch64" , target_arch = "arm64ec" , target_arch = "arm" ,))] |
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| 28 | mod arm; |
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| 29 | |
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| 30 | #[cfg (any(target_arch = "powerpc" , target_arch = "powerpc64" ))] |
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| 31 | mod powerpc; |
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| 32 | |
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