diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/codegen/math/float/tanh.rs')
| -rw-r--r-- | third_party/rust/packed_simd/src/codegen/math/float/tanh.rs | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/third_party/rust/packed_simd/src/codegen/math/float/tanh.rs b/third_party/rust/packed_simd/src/codegen/math/float/tanh.rs deleted file mode 100644 index 4243b0d886..0000000000 --- a/third_party/rust/packed_simd/src/codegen/math/float/tanh.rs +++ /dev/null @@ -1,120 +0,0 @@ -//! Vertical floating-point `tanh` -#![allow(unused)] - -// FIXME 64-bit 1 elem vectors tanh - -#[cfg(not(feature = "std"))] -use num_traits::Float; - -use crate::*; - -pub(crate) trait Tanh { - fn tanh(self) -> Self; -} - -macro_rules! define_tanh { - ($name:ident, $basetype:ty, $simdtype:ty, $lanes:expr, $trait:path) => { - fn $name(x: $simdtype) -> $simdtype { - use core::intrinsics::transmute; - let mut buf: [$basetype; $lanes] = unsafe { transmute(x) }; - for elem in &mut buf { - *elem = <$basetype as $trait>::tanh(*elem); - } - unsafe { transmute(buf) } - } - }; - - (f32 => $name:ident, $type:ty, $lanes:expr) => { - define_tanh!($name, f32, $type, $lanes, Float); - }; - - (f64 => $name:ident, $type:ty, $lanes:expr) => { - define_tanh!($name, f64, $type, $lanes, Float); - }; -} - -// llvm does not seem to expose the hyperbolic versions of trigonometric -// functions; we thus call the classical rust versions on all of them (which -// stem from cmath). -define_tanh!(f32 => tanh_v2f32, f32x2, 2); -define_tanh!(f32 => tanh_v4f32, f32x4, 4); -define_tanh!(f32 => tanh_v8f32, f32x8, 8); -define_tanh!(f32 => tanh_v16f32, f32x16, 16); - -define_tanh!(f64 => tanh_v2f64, f64x2, 2); -define_tanh!(f64 => tanh_v4f64, f64x4, 4); -define_tanh!(f64 => tanh_v8f64, f64x8, 8); - -fn tanh_f32(x: f32) -> f32 { - Float::tanh(x) -} - -fn tanh_f64(x: f64) -> f64 { - Float::tanh(x) -} - -gen_unary_impl_table!(Tanh, tanh); - -cfg_if! { - if #[cfg(target_arch = "s390x")] { - // FIXME: https://github.com/rust-lang-nursery/packed_simd/issues/14 - impl_unary!(f32x2[f32; 2]: tanh_f32); - impl_unary!(f32x4[f32; 4]: tanh_f32); - impl_unary!(f32x8[f32; 8]: tanh_f32); - impl_unary!(f32x16[f32; 16]: tanh_f32); - - impl_unary!(f64x2[f64; 2]: tanh_f64); - impl_unary!(f64x4[f64; 4]: tanh_f64); - impl_unary!(f64x8[f64; 8]: tanh_f64); - } else if #[cfg(all(target_arch = "x86_64", feature = "sleef-sys"))] { - use sleef_sys::*; - cfg_if! { - if #[cfg(target_feature = "avx2")] { - impl_unary!(f32x2[t => f32x4]: Sleef_tanhf4_u10avx2128); - impl_unary!(f32x16[h => f32x8]: Sleef_tanhf8_u10avx2); - impl_unary!(f64x8[h => f64x4]: Sleef_tanhd4_u10avx2); - - impl_unary!(f32x4: Sleef_tanhf4_u10avx2128); - impl_unary!(f32x8: Sleef_tanhf8_u10avx2); - impl_unary!(f64x2: Sleef_tanhd2_u10avx2128); - impl_unary!(f64x4: Sleef_tanhd4_u10avx2); - } else if #[cfg(target_feature = "avx")] { - impl_unary!(f32x2[t => f32x4]: Sleef_tanhf4_u10sse4); - impl_unary!(f32x16[h => f32x8]: Sleef_tanhf8_u10avx); - impl_unary!(f64x8[h => f64x4]: Sleef_tanhd4_u10avx); - - impl_unary!(f32x4: Sleef_tanhf4_u10sse4); - impl_unary!(f32x8: Sleef_tanhf8_u10avx); - impl_unary!(f64x2: Sleef_tanhd2_u10sse4); - impl_unary!(f64x4: Sleef_tanhd4_u10avx); - } else if #[cfg(target_feature = "sse4.2")] { - impl_unary!(f32x2[t => f32x4]: Sleef_tanhf4_u10sse4); - impl_unary!(f32x16[q => f32x4]: Sleef_tanhf4_u10sse4); - impl_unary!(f64x8[q => f64x2]: Sleef_tanhd2_u10sse4); - - impl_unary!(f32x4: Sleef_tanhf4_u10sse4); - impl_unary!(f32x8[h => f32x4]: Sleef_tanhf4_u10sse4); - impl_unary!(f64x2: Sleef_tanhd2_u10sse4); - impl_unary!(f64x4[h => f64x2]: Sleef_tanhd2_u10sse4); - } else { - impl_unary!(f32x2[f32; 2]: tanh_f32); - impl_unary!(f32x16: tanh_v16f32); - impl_unary!(f64x8: tanh_v8f64); - - impl_unary!(f32x4: tanh_v4f32); - impl_unary!(f32x8: tanh_v8f32); - impl_unary!(f64x2: tanh_v2f64); - impl_unary!(f64x4: tanh_v4f64); - } - } - } else { - impl_unary!(f32x2[f32; 2]: tanh_f32); - impl_unary!(f32x4: tanh_v4f32); - impl_unary!(f32x8: tanh_v8f32); - impl_unary!(f32x16: tanh_v16f32); - - impl_unary!(f64x2: tanh_v2f64); - impl_unary!(f64x4: tanh_v4f64); - impl_unary!(f64x8: tanh_v8f64); - } -} |