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Henry de Valence 2018-06-14 11:14:12 -07:00
parent eea3eadf5b
commit c46ec9638c
1 changed files with 9 additions and 2 deletions
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11
src/backend/avx2/field.rs
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@ -28,7 +28,13 @@ use core::simd::{i32x8, u32x8, u64x4, IntoBits};
use backend::avx2::constants::{P_TIMES_16_HI, P_TIMES_16_LO, P_TIMES_2_HI, P_TIMES_2_LO};
use backend::u64::field::FieldElement64;
#[derive(Copy, Clone)]
/// The `Lanes` enum represents a subset of the lanes `A,B,C,D` of a
/// `FieldElement32x4`.
///
/// It's used to specify blend operations without
/// having to know details about the data layout of the
/// `FieldElement32x4`.
#[derive(Copy, Clone, Debug)]
pub enum Lanes {
C,
D,
@ -96,7 +102,8 @@ fn blend_lanes(x: u32x8, y: u32x8, control: Lanes) -> u32x8 {
}
}
#[derive(Copy, Clone)]
/// The `Shuffle` enum represents a shuffle of a `FieldElement32x4`.
#[derive(Copy, Clone, Debug)]
pub enum Shuffle {
AAAA,
BBBB,