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Portable vector shuffles. #387

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gnzlbg wants to merge 4 commits into from
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Portable vector shuffles. #387

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159cbb1
portable vector shuffles
gnzlbg Mar 20, 2018
9965adb
re-export macro from std; add test
gnzlbg Jun 12, 2018
259d8c0
supress warning when shuffle! is called inside unsafe block
gnzlbg Jun 12, 2018
f09075c
avoid evaluating vec twice
gnzlbg Jun 18, 2018
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4 changes: 4 additions & 0 deletions coresimd/ppsv/api/minimal.rs
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Expand Up @@ -81,6 +81,10 @@ macro_rules! impl_minimal {
simd_insert(self, index as u32, new_value)
}
}

impl super::api::Simd for $id {
type Element = $elem_ty;
}
}
}

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13 changes: 9 additions & 4 deletions coresimd/ppsv/api/mod.rs
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Expand Up @@ -112,9 +112,8 @@ mod partial_eq;
// TODO:
//#[macro_use]
//mod partial_ord;
// TODO:
//#[macro_use]
//mod shuffles;
#[macro_use]
pub mod shuffles;
// TODO:
//#[macro_use]
//mod gather_scatter;
Expand All @@ -125,9 +124,15 @@ mod scalar_shifts;
#[macro_use]
mod shifts;

/// Sealed trait used for constraining select implementations.
/// Sealed trait used to constrain select implementations.
pub trait Lanes<A> {}

/// Sealed trait used to constraint vector shuffles.
pub trait Simd {
/// Element type of the SIMD vector.
type Element;
}

/// Defines a portable packed SIMD floating-point vector type.
macro_rules! simd_f_ty {
($id:ident : $elem_count:expr, $elem_ty:ident, $mask_ty:ident, $test_mod:ident,
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