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38 lines
933 B
Rust
38 lines
933 B
Rust
//@ 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 f32x4(pub f32, pub f32, pub f32, pub f32);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct f32x8(f32, f32, f32, f32, f32, f32, f32, f32);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct b8x4(pub i8, pub i8, pub i8, pub i8);
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extern "rust-intrinsic" {
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fn simd_select<T, U>(x: T, a: U, b: U) -> U;
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fn simd_select_bitmask<T, U>(x: T, a: U, b: U) -> U;
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}
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// CHECK-LABEL: @select
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#[no_mangle]
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pub unsafe fn select(m: b8x4, a: f32x4, b: f32x4) -> f32x4 {
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// CHECK: select <4 x i1>
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simd_select(m, a, b)
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}
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// CHECK-LABEL: @select_bitmask
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#[no_mangle]
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pub unsafe fn select_bitmask(m: i8, a: f32x8, b: f32x8) -> f32x8 {
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// CHECK: select <8 x i1>
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simd_select_bitmask(m, a, b)
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}
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