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simd.rs
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//! Internal `#[repr(simd)]` types
#![allow(non_camel_case_types)]
macro_rules! simd_ty {
($id:ident [$ety:ident]: $($elem_ty:ident),* | $($elem_name:ident),*) => {
#[repr(simd)]
#[derive(Copy, Clone, Debug, PartialEq)]
pub(crate) struct $id($(pub $elem_ty),*);
#[allow(clippy::use_self)]
impl $id {
#[inline]
pub(crate) const fn new($($elem_name: $elem_ty),*) -> Self {
$id($($elem_name),*)
}
// FIXME: Workaround rust@60637
#[inline(always)]
pub(crate) const fn splat(value: $ety) -> Self {
$id($({
#[allow(non_camel_case_types, dead_code)]
struct $elem_name;
value
}),*)
}
// FIXME: Workaround rust@60637
#[inline(always)]
pub(crate) fn extract(self, index: usize) -> $ety {
unsafe {
crate::core_arch::simd_llvm::simd_extract(self, index as u32)
}
}
}
}
}
macro_rules! simd_m_ty {
($id:ident [$ety:ident]: $($elem_ty:ident),* | $($elem_name:ident),*) => {
#[repr(simd)]
#[derive(Copy, Clone, Debug, PartialEq)]
pub(crate) struct $id($(pub $elem_ty),*);
#[allow(clippy::use_self)]
impl $id {
#[inline]
const fn bool_to_internal(x: bool) -> $ety {
[0 as $ety, !(0 as $ety)][x as usize]
}
#[inline]
pub(crate) const fn new($($elem_name: bool),*) -> Self {
$id($(Self::bool_to_internal($elem_name)),*)
}
// FIXME: Workaround rust@60637
#[inline(always)]
pub(crate) const fn splat(value: bool) -> Self {
$id($({
#[allow(non_camel_case_types, dead_code)]
struct $elem_name;
Self::bool_to_internal(value)
}),*)
}
// FIXME: Workaround rust@60637
#[inline(always)]
pub(crate) fn extract(self, index: usize) -> bool {
let r: $ety = unsafe {
crate::core_arch::simd_llvm::simd_extract(self, index as u32)
};
r != 0
}
}
}
}
// 16-bit wide types:
simd_ty!(u8x2[u8]: u8, u8 | x0, x1);
simd_ty!(i8x2[i8]: i8, i8 | x0, x1);
// 32-bit wide types:
simd_ty!(u8x4[u8]: u8, u8, u8, u8 | x0, x1, x2, x3);
simd_ty!(u16x2[u16]: u16, u16 | x0, x1);
simd_ty!(i8x4[i8]: i8, i8, i8, i8 | x0, x1, x2, x3);
simd_ty!(i16x2[i16]: i16, i16 | x0, x1);
// 64-bit wide types:
simd_ty!(
u8x8[u8]: u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(u16x4[u16]: u16, u16, u16, u16 | x0, x1, x2, x3);
simd_ty!(u32x2[u32]: u32, u32 | x0, x1);
simd_ty!(u64x1[u64]: u64 | x1);
simd_ty!(
i8x8[i8]: i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(i16x4[i16]: i16, i16, i16, i16 | x0, x1, x2, x3);
simd_ty!(i32x2[i32]: i32, i32 | x0, x1);
simd_ty!(i64x1[i64]: i64 | x1);
simd_ty!(f32x2[f32]: f32, f32 | x0, x1);
simd_ty!(f64x1[f64]: f64 | x1);
// 128-bit wide types:
simd_ty!(
u8x16[u8]: u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_ty!(
u16x8[u16]: u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(u32x4[u32]: u32, u32, u32, u32 | x0, x1, x2, x3);
simd_ty!(u64x2[u64]: u64, u64 | x0, x1);
simd_ty!(
i8x16[i8]: i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_ty!(
i16x8[i16]: i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(i32x4[i32]: i32, i32, i32, i32 | x0, x1, x2, x3);
simd_ty!(i64x2[i64]: i64, i64 | x0, x1);
simd_ty!(f32x4[f32]: f32, f32, f32, f32 | x0, x1, x2, x3);
simd_ty!(f64x2[f64]: f64, f64 | x0, x1);
simd_ty!(f64x4[f64]: f64, f64, f64, f64 | x0, x1, x2, x3);
simd_m_ty!(
m8x16[i8]: i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_m_ty!(
m16x8[i16]: i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_m_ty!(m32x4[i32]: i32, i32, i32, i32 | x0, x1, x2, x3);
simd_m_ty!(m64x2[i64]: i64, i64 | x0, x1);
// 256-bit wide types:
simd_ty!(
u8x32[u8]: u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31
);
simd_ty!(
u16x16[u16]: u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_ty!(
u32x8[u32]: u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(u64x4[u64]: u64, u64, u64, u64 | x0, x1, x2, x3);
simd_ty!(
i8x32[i8]: i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31
);
simd_ty!(
i16x16[i16]: i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_ty!(
i32x8[i32]: i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
simd_ty!(i64x4[i64]: i64, i64, i64, i64 | x0, x1, x2, x3);
simd_ty!(
f32x8[f32]: f32,
f32,
f32,
f32,
f32,
f32,
f32,
f32 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7
);
// 512-bit wide types:
simd_ty!(
i8x64[i8]: i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8,
i8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31,
x32,
x33,
x34,
x35,
x36,
x37,
x38,
x39,
x40,
x41,
x42,
x43,
x44,
x45,
x46,
x47,
x48,
x49,
x50,
x51,
x52,
x53,
x54,
x55,
x56,
x57,
x58,
x59,
x60,
x61,
x62,
x63
);
simd_ty!(
u8x64[u8]: u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8,
u8 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31,
x32,
x33,
x34,
x35,
x36,
x37,
x38,
x39,
x40,
x41,
x42,
x43,
x44,
x45,
x46,
x47,
x48,
x49,
x50,
x51,
x52,
x53,
x54,
x55,
x56,
x57,
x58,
x59,
x60,
x61,
x62,
x63
);
simd_ty!(
i16x32[i16]: i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16,
i16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31
);
simd_ty!(
u16x32[u16]: u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16,
u16 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15,
x16,
x17,
x18,
x19,
x20,
x21,
x22,
x23,
x24,
x25,
x26,
x27,
x28,
x29,
x30,
x31
);
simd_ty!(
i32x16[i32]: i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32,
i32 | x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
x9,
x10,
x11,
x12,
x13,
x14,
x15
);
simd_ty!(
u32x16[u32]: u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,
u32,