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Port code to "SIMD groundwork part 1"
Port the SIMD code to rust-lang/rust#27169
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// Copyright (c) 2015 Cesar Eduardo Barros | ||
// | ||
// 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. | ||
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#[cfg(feature = "simd")] | ||
macro_rules! decl_vec { | ||
($($decl:item)*) => { | ||
$( | ||
#[allow(non_camel_case_types)] | ||
#[derive(Clone, Copy, Debug)] | ||
#[repr(simd)] | ||
$decl | ||
)* | ||
} | ||
} | ||
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#[cfg(not(feature = "simd"))] | ||
macro_rules! decl_vec { | ||
($($decl:item)*) => { | ||
$( | ||
#[derive(Clone, Copy, Debug)] | ||
#[repr(C)] | ||
$decl | ||
)* | ||
} | ||
} | ||
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decl_vec!{ | ||
pub struct u32x4(pub u32, pub u32, pub u32, pub u32); | ||
pub struct u64x4(pub u64, pub u64, pub u64, pub u64); | ||
} | ||
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#[cfg(feature = "simd_opt")] | ||
decl_vec!{ | ||
pub struct u16x8(pub u16, pub u16, pub u16, pub u16, | ||
pub u16, pub u16, pub u16, pub u16); | ||
pub struct u32x8(pub u32, pub u32, pub u32, pub u32, | ||
pub u32, pub u32, pub u32, pub u32); | ||
} | ||
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#[cfg(feature = "simd_opt")] | ||
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] | ||
decl_vec!{ | ||
pub struct u16x16(pub u16, pub u16, pub u16, pub u16, | ||
pub u16, pub u16, pub u16, pub u16, | ||
pub u16, pub u16, pub u16, pub u16, | ||
pub u16, pub u16, pub u16, pub u16); | ||
} | ||
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#[cfg(feature = "simd_asm")] | ||
#[cfg(target_arch = "arm")] | ||
decl_vec!{ | ||
pub struct u64x2(pub u64, pub u64); | ||
} |