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use stdsimd::vendor::*;
use vecs::{u8x64, u8x32, u8x16, i8x64, i8x32, i8x16, u16x32, u16x16, u16x8, i16x32, i16x16, i16x8, u32x16, u32x8, u32x4, i32x16, i32x8, i32x4, f32x16, f32x8, f32x4, u64x8, u64x4, u64x2, i64x8, i64x4, i64x2, f64x8, f64x4, f64x2};
use core_or_std::mem::transmute;
pub trait PackedTransmute {
type i8s;
type u8s;
type i16s;
type u16s;
type i32s;
type u32s;
type f32s;
type i64s;
type u64s;
type f64s;
fn be_i8s(&self) -> Self::i8s;
fn be_u8s(&self) -> Self::u8s;
fn be_i16s(&self) -> Self::i16s;
fn be_u16s(&self) -> Self::u16s;
fn be_i32s(&self) -> Self::i32s;
fn be_u32s(&self) -> Self::u32s;
unsafe fn be_f32s_unchecked(&self) -> Self::f32s;
fn be_i64s(&self) -> Self::i64s;
fn be_u64s(&self) -> Self::u64s;
unsafe fn be_f64s_unchecked(&self) -> Self::f64s;
}
macro_rules! impl_packed_transmute {
($($t:ty,)* ... $u8s:ty, $i8s:ty, $u16s:ty, $i16s:ty, $u32s:ty, $i32s:ty,
$f32s:ty, $u64s:ty, $i64s:ty, $f64s:ty, $feat:expr, $nfeat:expr) => (
$(
impl PackedTransmute for $t {
type i8s = $i8s;
type u8s = $u8s;
type i16s = $i16s;
type u16s = $u16s;
type i32s = $i32s;
type u32s = $u32s;
type f32s = $f32s;
type i64s = $i64s;
type u64s = $u64s;
type f64s = $f64s;
#[inline(always)]
fn be_i8s(&self) -> Self::i8s {
unsafe { transmute::<Self, Self::i8s>(*self) }
}
#[inline(always)]
fn be_u8s(&self) -> Self::u8s {
unsafe { transmute::<Self, Self::u8s>(*self) }
}
#[inline(always)]
fn be_i16s(&self) -> Self::i16s {
unsafe { transmute::<Self, Self::i16s>(*self) }
}
#[inline(always)]
fn be_u16s(&self) -> Self::u16s {
unsafe { transmute::<Self, Self::u16s>(*self) }
}
#[inline(always)]
fn be_i32s(&self) -> Self::i32s {
unsafe { transmute::<Self, Self::i32s>(*self) }
}
#[inline(always)]
fn be_u32s(&self) -> Self::u32s {
unsafe { transmute::<Self, Self::u32s>(*self) }
}
#[inline(always)]
unsafe fn be_f32s_unchecked(&self) -> Self::f32s {
transmute::<Self, Self::f32s>(*self)
}
#[inline(always)]
fn be_i64s(&self) -> Self::i64s {
unsafe { transmute::<Self, Self::i64s>(*self) }
}
#[inline(always)]
fn be_u64s(&self) -> Self::u64s {
unsafe { transmute::<Self, Self::u64s>(*self) }
}
#[inline(always)]
unsafe fn be_f64s_unchecked(&self) -> Self::f64s {
transmute::<Self, Self::f64s>(*self)
}
}
)*
);
}
impl_packed_transmute!(u8x32, i8x32, u16x16, i16x16, u32x8, i32x8, f32x8,
u64x4, i64x4, f64x4, ...
u8x32, i8x32, u16x16, i16x16, u32x8, i32x8,
f32x8, u64x4, i64x4, f64x4,
"avx", "avx512");
impl_packed_transmute!(u8x64, i8x64, u16x32, i16x32, u32x16, i32x16, f32x16,
u64x8, i64x8, f64x8, ...
u8x64, i8x64, u16x32, i16x32, u32x16, i32x16,
f32x16, u64x8, i64x8, f64x8,
"avx512", "avx1024");
impl_packed_transmute!(u8x16, i8x16, u16x8, i16x8, u32x4, i32x4, f32x4,
u64x2, i64x2, f64x2, ...
u8x16, i8x16, u16x8, i16x8, u32x4, i32x4,
f32x4, u64x2, i64x2, f64x2,
"sse", "avx");
#[cfg(test)]
mod tests {
use vecs::*;
use intrin::*;
macro_rules! test_transmute {
($name:ident, $val:expr, $xmute:ident) => (
#[test]
fn $name() {
#![allow(unused_unsafe)]
assert_eq!(unsafe { $val.be_i8s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_u8s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_i16s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_u16s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_i32s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_u32s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_i64s().$xmute() }, $val);
assert_eq!(unsafe { $val.be_u64s().$xmute() }, $val);
}
)
}
test_transmute!(transmute_u8s, u8s(1), be_u8s);
test_transmute!(transmute_i8s, i8s(1), be_i8s);
test_transmute!(transmute_u16s, u16s(1), be_u16s);
test_transmute!(transmute_i16s, i16s(1), be_i16s);
test_transmute!(transmute_u32s, u32s(1), be_u32s);
test_transmute!(transmute_i32s, i32s(1), be_i32s);
test_transmute!(transmute_f32s, f32s(1.0), be_f32s_unchecked);
test_transmute!(transmute_u64s, u64s(1), be_u64s);
test_transmute!(transmute_i64s, i64s(1), be_i64s);
test_transmute!(transmute_f64s, f64s(1.0), be_f64s_unchecked);
}