forked from rust-lang/rust
-
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Rollup merge of rust-lang#86393 - yerke:add-test-for-issue-52025, r=J…
…ohnTitor Add regression test for issue rust-lang#52025 Closes rust-lang#52025 Took the test from rust-lang#52025
- Loading branch information
Showing
1 changed file
with
57 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,57 @@ | ||
// only-x86_64 | ||
// build-pass | ||
|
||
use std::arch::x86_64::*; | ||
use std::fmt::Debug; | ||
use std::ops::*; | ||
|
||
pub trait Simd { | ||
type Vf32: Copy + Debug + Add<Self::Vf32, Output = Self::Vf32> + Add<f32, Output = Self::Vf32>; | ||
|
||
unsafe fn set1_ps(a: f32) -> Self::Vf32; | ||
unsafe fn add_ps(a: Self::Vf32, b: Self::Vf32) -> Self::Vf32; | ||
} | ||
|
||
#[derive(Copy, Debug, Clone)] | ||
pub struct F32x4(pub __m128); | ||
|
||
impl Add<F32x4> for F32x4 { | ||
type Output = F32x4; | ||
|
||
fn add(self, rhs: F32x4) -> F32x4 { | ||
F32x4(unsafe { _mm_add_ps(self.0, rhs.0) }) | ||
} | ||
} | ||
|
||
impl Add<f32> for F32x4 { | ||
type Output = F32x4; | ||
fn add(self, rhs: f32) -> F32x4 { | ||
F32x4(unsafe { _mm_add_ps(self.0, _mm_set1_ps(rhs)) }) | ||
} | ||
} | ||
|
||
pub struct Sse2; | ||
impl Simd for Sse2 { | ||
type Vf32 = F32x4; | ||
|
||
#[inline(always)] | ||
unsafe fn set1_ps(a: f32) -> Self::Vf32 { | ||
F32x4(_mm_set1_ps(a)) | ||
} | ||
|
||
#[inline(always)] | ||
unsafe fn add_ps(a: Self::Vf32, b: Self::Vf32) -> Self::Vf32 { | ||
F32x4(_mm_add_ps(a.0, b.0)) | ||
} | ||
} | ||
|
||
unsafe fn test<S: Simd>() -> S::Vf32 { | ||
let a = S::set1_ps(3.0); | ||
let b = S::set1_ps(2.0); | ||
let result = a + b; | ||
result | ||
} | ||
|
||
fn main() { | ||
println!("{:?}", unsafe { test::<Sse2>() }); | ||
} |