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Diffstat (limited to 'third_party/rust/packed_simd/src/api/into_bits/arch_specific.rs')
| -rw-r--r-- | third_party/rust/packed_simd/src/api/into_bits/arch_specific.rs | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/third_party/rust/packed_simd/src/api/into_bits/arch_specific.rs b/third_party/rust/packed_simd/src/api/into_bits/arch_specific.rs new file mode 100644 index 0000000000..bfac915576 --- /dev/null +++ b/third_party/rust/packed_simd/src/api/into_bits/arch_specific.rs @@ -0,0 +1,345 @@ +//! `FromBits` and `IntoBits` between portable vector types and the +//! architecture-specific vector types. +#[rustfmt::skip] + +// FIXME: MIPS FromBits/IntoBits + +#[allow(unused)] +use crate::*; + +/// This macro implements FromBits for the portable and the architecture +/// specific vector types. +/// +/// The "leaf" case is at the bottom, and the most generic case is at the top. +/// The generic case is split into smaller cases recursively. +macro_rules! impl_arch { + ([$arch_head_i:ident[$arch_head_tt:tt]: $($arch_head_ty:ident),*], + $([$arch_tail_i:ident[$arch_tail_tt:tt]: $($arch_tail_ty:ident),*]),* | + from: $($from_ty:ident),* | into: $($into_ty:ident),* | + test: $test_tt:tt) => { + impl_arch!( + [$arch_head_i[$arch_head_tt]: $($arch_head_ty),*] | + from: $($from_ty),* | + into: $($into_ty),* | + test: $test_tt + ); + impl_arch!( + $([$arch_tail_i[$arch_tail_tt]: $($arch_tail_ty),*]),* | + from: $($from_ty),* | + into: $($into_ty),* | + test: $test_tt + ); + }; + ([$arch:ident[$arch_tt:tt]: $($arch_ty:ident),*] | + from: $($from_ty:ident),* | into: $($into_ty:ident),* | + test: $test_tt:tt) => { + // note: if target is "arm", "+v7,+neon" must be enabled + // and the std library must be recompiled with them + #[cfg(any( + not(target_arch = "arm"), + all(target_feature = "v7", target_feature = "neon", + any(feature = "core_arch", libcore_neon))) + )] + // note: if target is "powerpc", "altivec" must be enabled + // and the std library must be recompiled with it + #[cfg(any( + not(target_arch = "powerpc"), + all(target_feature = "altivec", feature = "core_arch"), + ))] + #[cfg(target_arch = $arch_tt)] + use crate::arch::$arch::{ + $($arch_ty),* + }; + + #[cfg(any( + not(target_arch = "arm"), + all(target_feature = "v7", target_feature = "neon", + any(feature = "core_arch", libcore_neon))) + )] + #[cfg(any( + not(target_arch = "powerpc"), + all(target_feature = "altivec", feature = "core_arch"), + ))] + #[cfg(target_arch = $arch_tt)] + impl_arch!($($arch_ty),* | $($from_ty),* | $($into_ty),* | + test: $test_tt); + }; + ($arch_head:ident, $($arch_tail:ident),* | $($from_ty:ident),* + | $($into_ty:ident),* | test: $test_tt:tt) => { + impl_arch!($arch_head | $($from_ty),* | $($into_ty),* | + test: $test_tt); + impl_arch!($($arch_tail),* | $($from_ty),* | $($into_ty),* | + test: $test_tt); + }; + ($arch_head:ident | $($from_ty:ident),* | $($into_ty:ident),* | + test: $test_tt:tt) => { + impl_from_bits!($arch_head[$test_tt]: $($from_ty),*); + impl_into_bits!($arch_head[$test_tt]: $($into_ty),*); + }; +} + +//////////////////////////////////////////////////////////////////////////////// +// Implementations for the 64-bit wide vector types: + +// FIXME: 64-bit single element types +// FIXME: arm/aarch float16x4_t missing +impl_arch!( + [ + arm["arm"]: int8x8_t, + uint8x8_t, + poly8x8_t, + int16x4_t, + uint16x4_t, + poly16x4_t, + int32x2_t, + uint32x2_t, + float32x2_t, + int64x1_t, + uint64x1_t + ], + [ + aarch64["aarch64"]: int8x8_t, + uint8x8_t, + poly8x8_t, + int16x4_t, + uint16x4_t, + poly16x4_t, + int32x2_t, + uint32x2_t, + float32x2_t, + int64x1_t, + uint64x1_t, + float64x1_t + ] | from: i8x8, + u8x8, + m8x8, + i16x4, + u16x4, + m16x4, + i32x2, + u32x2, + f32x2, + m32x2 | into: i8x8, + u8x8, + i16x4, + u16x4, + i32x2, + u32x2, + f32x2 | test: test_v64 +); + +//////////////////////////////////////////////////////////////////////////////// +// Implementations for the 128-bit wide vector types: + +// FIXME: arm/aarch float16x8_t missing +// FIXME: ppc vector_pixel missing +// FIXME: ppc64 vector_Float16 missing +// FIXME: ppc64 vector_signed_long_long missing +// FIXME: ppc64 vector_unsigned_long_long missing +// FIXME: ppc64 vector_bool_long_long missing +// FIXME: ppc64 vector_signed___int128 missing +// FIXME: ppc64 vector_unsigned___int128 missing +impl_arch!( + [x86["x86"]: __m128, __m128i, __m128d], + [x86_64["x86_64"]: __m128, __m128i, __m128d], + [ + arm["arm"]: int8x16_t, + uint8x16_t, + poly8x16_t, + int16x8_t, + uint16x8_t, + poly16x8_t, + int32x4_t, + uint32x4_t, + float32x4_t, + int64x2_t, + uint64x2_t + ], + [ + aarch64["aarch64"]: int8x16_t, + uint8x16_t, + poly8x16_t, + int16x8_t, + uint16x8_t, + poly16x8_t, + int32x4_t, + uint32x4_t, + float32x4_t, + int64x2_t, + uint64x2_t, + float64x2_t + ], + [ + powerpc["powerpc"]: vector_signed_char, + vector_unsigned_char, + vector_signed_short, + vector_unsigned_short, + vector_signed_int, + vector_unsigned_int, + vector_float + ], + [ + powerpc64["powerpc64"]: vector_signed_char, + vector_unsigned_char, + vector_signed_short, + vector_unsigned_short, + vector_signed_int, + vector_unsigned_int, + vector_float, + vector_signed_long, + vector_unsigned_long, + vector_double + ] | from: i8x16, + u8x16, + m8x16, + i16x8, + u16x8, + m16x8, + i32x4, + u32x4, + f32x4, + m32x4, + i64x2, + u64x2, + f64x2, + m64x2, + i128x1, + u128x1, + m128x1 | into: i8x16, + u8x16, + i16x8, + u16x8, + i32x4, + u32x4, + f32x4, + i64x2, + u64x2, + f64x2, + i128x1, + u128x1 | test: test_v128 +); + +impl_arch!( + [powerpc["powerpc"]: vector_bool_char], + [powerpc64["powerpc64"]: vector_bool_char] | from: m8x16, + m16x8, + m32x4, + m64x2, + m128x1 | into: i8x16, + u8x16, + i16x8, + u16x8, + i32x4, + u32x4, + f32x4, + i64x2, + u64x2, + f64x2, + i128x1, + u128x1, + // Masks: + m8x16 | test: test_v128 +); + +impl_arch!( + [powerpc["powerpc"]: vector_bool_short], + [powerpc64["powerpc64"]: vector_bool_short] | from: m16x8, + m32x4, + m64x2, + m128x1 | into: i8x16, + u8x16, + i16x8, + u16x8, + i32x4, + u32x4, + f32x4, + i64x2, + u64x2, + f64x2, + i128x1, + u128x1, + // Masks: + m8x16, + m16x8 | test: test_v128 +); + +impl_arch!( + [powerpc["powerpc"]: vector_bool_int], + [powerpc64["powerpc64"]: vector_bool_int] | from: m32x4, + m64x2, + m128x1 | into: i8x16, + u8x16, + i16x8, + u16x8, + i32x4, + u32x4, + f32x4, + i64x2, + u64x2, + f64x2, + i128x1, + u128x1, + // Masks: + m8x16, + m16x8, + m32x4 | test: test_v128 +); + +impl_arch!( + [powerpc64["powerpc64"]: vector_bool_long] | from: m64x2, + m128x1 | into: i8x16, + u8x16, + i16x8, + u16x8, + i32x4, + u32x4, + f32x4, + i64x2, + u64x2, + f64x2, + i128x1, + u128x1, + // Masks: + m8x16, + m16x8, + m32x4, + m64x2 | test: test_v128 +); + +//////////////////////////////////////////////////////////////////////////////// +// Implementations for the 256-bit wide vector types + +impl_arch!( + [x86["x86"]: __m256, __m256i, __m256d], + [x86_64["x86_64"]: __m256, __m256i, __m256d] | from: i8x32, + u8x32, + m8x32, + i16x16, + u16x16, + m16x16, + i32x8, + u32x8, + f32x8, + m32x8, + i64x4, + u64x4, + f64x4, + m64x4, + i128x2, + u128x2, + m128x2 | into: i8x32, + u8x32, + i16x16, + u16x16, + i32x8, + u32x8, + f32x8, + i64x4, + u64x4, + f64x4, + i128x2, + u128x2 | test: test_v256 +); + +//////////////////////////////////////////////////////////////////////////////// +// FIXME: Implementations for the 512-bit wide vector types |