diff options
| author | Caleb Zulawski <caleb.zulawski@gmail.com> | 2021-04-19 01:46:52 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-19 01:46:52 -0400 |
| commit | b2e25bc8c8ab536e0c5abd8175258cfc63c83a1b (patch) | |
| tree | 3729a8427335599beb6267f9c32cb596df832c84 | |
| parent | e73985f25d1616c48caf9f66786320f05cc0b1db (diff) | |
| parent | 9acc11209019b7d3f31bd1945066522ea9c2f88c (diff) | |
| download | rust-b2e25bc8c8ab536e0c5abd8175258cfc63c83a1b.tar.gz rust-b2e25bc8c8ab536e0c5abd8175258cfc63c83a1b.zip | |
Merge pull request #95 from rust-lang/intrinsic-fabs
Use fabs intrinsic
| -rw-r--r-- | crates/core_simd/src/intrinsics.rs | 3 | ||||
| -rw-r--r-- | crates/core_simd/src/vector/float.rs | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/crates/core_simd/src/intrinsics.rs b/crates/core_simd/src/intrinsics.rs index 4f89d00deb2..b85a3ad9922 100644 --- a/crates/core_simd/src/intrinsics.rs +++ b/crates/core_simd/src/intrinsics.rs @@ -51,6 +51,9 @@ extern "platform-intrinsic" { #[cfg(feature = "std")] pub(crate) fn simd_ceil<T>(x: T) -> T; + /// fabs + pub(crate) fn simd_fabs<T>(x: T) -> T; + pub(crate) fn simd_eq<T, U>(x: T, y: T) -> U; pub(crate) fn simd_ne<T, U>(x: T, y: T) -> U; pub(crate) fn simd_lt<T, U>(x: T, y: T) -> U; diff --git a/crates/core_simd/src/vector/float.rs b/crates/core_simd/src/vector/float.rs index 393e39023d9..46e4229ddb5 100644 --- a/crates/core_simd/src/vector/float.rs +++ b/crates/core_simd/src/vector/float.rs @@ -32,8 +32,7 @@ macro_rules! impl_float_vector { /// equivalently-indexed lane in `self`. #[inline] pub fn abs(self) -> Self { - let no_sign = crate::$bits_ty::splat(!0 >> 1); - Self::from_bits(self.to_bits() & no_sign) + unsafe { crate::intrinsics::simd_fabs(self) } } } |