projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| fc512014 XL |
1 | // compile-flags: -C no-prepopulate-passes |
| 2 | ||
| 3 | #![crate_type = "lib"] | |
| 4 | ||
| 5 | #![feature(repr_simd, platform_intrinsics, min_const_generics)] | |
| 6 | #![allow(non_camel_case_types)] | |
| 7 | ||
| 8 | #[repr(simd)] | |
| 9 | #[derive(Copy, Clone)] | |
| 10 | pub struct M(pub f32, pub f32, pub f32, pub f32); | |
| 11 | ||
| 12 | #[repr(simd)] | |
| 13 | #[derive(Copy, Clone)] | |
| 14 | pub struct S<const N: usize>([f32; N]); | |
| 15 | ||
| 16 | extern "platform-intrinsic" { | |
| 17 | fn simd_extract<T, U>(x: T, idx: u32) -> U; | |
| 18 | fn simd_insert<T, U>(x: T, idx: u32, b: U) -> T; | |
| 19 | } | |
| 20 | ||
| 21 | // CHECK-LABEL: @extract_m | |
| 22 | #[no_mangle] | |
| 23 | pub unsafe fn extract_m(v: M, i: u32) -> f32 { | |
| 24 | // CHECK: extractelement <4 x float> %{{v|_3}}, i32 %i | |
| 25 | simd_extract(v, i) | |
| 26 | } | |
| 27 | ||
| 28 | // CHECK-LABEL: @extract_s | |
| 29 | #[no_mangle] | |
| 30 | pub unsafe fn extract_s(v: S<4>, i: u32) -> f32 { | |
| 31 | // CHECK: extractelement <4 x float> %{{v|_3}}, i32 %i | |
| 32 | simd_extract(v, i) | |
| 33 | } | |
| 34 | ||
| 35 | // CHECK-LABEL: @insert_m | |
| 36 | #[no_mangle] | |
| 37 | pub unsafe fn insert_m(v: M, i: u32, j: f32) -> M { | |
| 38 | // CHECK: insertelement <4 x float> %{{v|_4}}, float %j, i32 %i | |
| 39 | simd_insert(v, i, j) | |
| 40 | } | |
| 41 | ||
| 42 | // CHECK-LABEL: @insert_s | |
| 43 | #[no_mangle] | |
| 44 | pub unsafe fn insert_s(v: S<4>, i: u32, j: f32) -> S<4> { | |
| 45 | // CHECK: insertelement <4 x float> %{{v|_4}}, float %j, i32 %i | |
| 46 | simd_insert(v, i, j) | |
| 47 | } |