| // Copyright (c) 2006-2009 Graydon Hoare |
| // Copyright (c) 2009-2013 Mozilla Foundation |
| |
| // Permission is hereby granted, free of charge, to any |
| // person obtaining a copy of this software and associated |
| // documentation files (the "Software"), to deal in the |
| // Software without restriction, including without |
| // limitation the rights to use, copy, modify, merge, |
| // publish, distribute, sublicense, and/or sell copies of |
| // the Software, and to permit persons to whom the Software |
| // is furnished to do so, subject to the following |
| // conditions: |
| |
| // The above copyright notice and this permission notice |
| // shall be included in all copies or substantial portions |
| // of the Software. |
| |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF |
| // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED |
| // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
| // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT |
| // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
| // IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| // DEALINGS IN THE SOFTWARE. |
| |
| |
| pub use self::fake::*; |
| |
| pub trait SimdExt { |
| fn simd_eq(self, rhs: Self) -> Self; |
| } |
| |
| impl SimdExt for fake::u32x4 { |
| fn simd_eq(self, rhs: Self) -> Self { |
| if self == rhs { |
| fake::u32x4(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff) |
| } else { |
| fake::u32x4(0, 0, 0, 0) |
| } |
| } |
| } |
| |
| mod fake { |
| use core::ops::{Add, BitAnd, BitOr, BitXor, Shl, Shr, Sub}; |
| |
| #[derive(Clone, Copy, PartialEq, Eq)] |
| #[allow(non_camel_case_types)] |
| pub struct u32x4(pub u32, pub u32, pub u32, pub u32); |
| |
| impl Add for u32x4 { |
| type Output = u32x4; |
| |
| fn add(self, rhs: u32x4) -> u32x4 { |
| u32x4( |
| self.0.wrapping_add(rhs.0), |
| self.1.wrapping_add(rhs.1), |
| self.2.wrapping_add(rhs.2), |
| self.3.wrapping_add(rhs.3)) |
| } |
| } |
| |
| impl Sub for u32x4 { |
| type Output = u32x4; |
| |
| fn sub(self, rhs: u32x4) -> u32x4 { |
| u32x4( |
| self.0.wrapping_sub(rhs.0), |
| self.1.wrapping_sub(rhs.1), |
| self.2.wrapping_sub(rhs.2), |
| self.3.wrapping_sub(rhs.3)) |
| } |
| } |
| |
| impl BitAnd for u32x4 { |
| type Output = u32x4; |
| |
| fn bitand(self, rhs: u32x4) -> u32x4 { |
| u32x4(self.0 & rhs.0, self.1 & rhs.1, self.2 & rhs.2, self.3 & rhs.3) |
| } |
| } |
| |
| impl BitOr for u32x4 { |
| type Output = u32x4; |
| |
| fn bitor(self, rhs: u32x4) -> u32x4 { |
| u32x4(self.0 | rhs.0, self.1 | rhs.1, self.2 | rhs.2, self.3 | rhs.3) |
| } |
| } |
| |
| impl BitXor for u32x4 { |
| type Output = u32x4; |
| |
| fn bitxor(self, rhs: u32x4) -> u32x4 { |
| u32x4(self.0 ^ rhs.0, self.1 ^ rhs.1, self.2 ^ rhs.2, self.3 ^ rhs.3) |
| } |
| } |
| |
| impl Shl<usize> for u32x4 { |
| type Output = u32x4; |
| |
| fn shl(self, amt: usize) -> u32x4 { |
| u32x4(self.0 << amt, self.1 << amt, self.2 << amt, self.3 << amt) |
| } |
| } |
| |
| impl Shl<u32x4> for u32x4 { |
| type Output = u32x4; |
| |
| fn shl(self, rhs: u32x4) -> u32x4 { |
| u32x4(self.0 << rhs.0, self.1 << rhs.1, self.2 << rhs.2, self.3 << rhs.3) |
| } |
| } |
| |
| impl Shr<usize> for u32x4 { |
| type Output = u32x4; |
| |
| fn shr(self, amt: usize) -> u32x4 { |
| u32x4(self.0 >> amt, self.1 >> amt, self.2 >> amt, self.3 >> amt) |
| } |
| } |
| |
| impl Shr<u32x4> for u32x4 { |
| type Output = u32x4; |
| |
| fn shr(self, rhs: u32x4) -> u32x4 { |
| u32x4(self.0 >> rhs.0, self.1 >> rhs.1, self.2 >> rhs.2, self.3 >> rhs.3) |
| } |
| } |
| |
| #[derive(Clone, Copy)] |
| #[allow(non_camel_case_types)] |
| pub struct u64x2(pub u64, pub u64); |
| |
| impl Add for u64x2 { |
| type Output = u64x2; |
| |
| fn add(self, rhs: u64x2) -> u64x2 { |
| u64x2(self.0.wrapping_add(rhs.0), self.1.wrapping_add(rhs.1)) |
| } |
| } |
| } |