mirror of https://github.com/rust-lang/rust
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
//
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//@ compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(repr_simd, intrinsics)]
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#![allow(non_camel_case_types)]
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct Vec2<T>(pub [T; 2]);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct Vec4<T>(pub [T; 4]);
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extern "rust-intrinsic" {
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fn simd_gather<T, P, M>(value: T, pointers: P, mask: M) -> T;
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}
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// CHECK-LABEL: @gather_f32x2
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#[no_mangle]
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pub unsafe fn gather_f32x2(pointers: Vec2<*const f32>, mask: Vec2<i32>,
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values: Vec2<f32>) -> Vec2<f32> {
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// CHECK: call <2 x float> @llvm.masked.gather.v2f32.v2p0(<2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}}, <2 x float> {{.*}})
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simd_gather(values, pointers, mask)
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}
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// CHECK-LABEL: @gather_pf32x2
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#[no_mangle]
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pub unsafe fn gather_pf32x2(pointers: Vec2<*const *const f32>, mask: Vec2<i32>,
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values: Vec2<*const f32>) -> Vec2<*const f32> {
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// CHECK: call <2 x ptr> @llvm.masked.gather.v2p0.v2p0(<2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}}, <2 x ptr> {{.*}})
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simd_gather(values, pointers, mask)
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}
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