97ae5095f5
This maps to the LLVM intrinsics: llvm.masked.load and llvm.masked.store
33 lines
816 B
Rust
33 lines
816 B
Rust
// check-fail
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#![feature(repr_simd, platform_intrinsics)]
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extern "platform-intrinsic" {
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fn simd_masked_load<M, P, T>(mask: M, pointer: P, values: T) -> T;
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fn simd_masked_store<M, P, T>(mask: M, pointer: P, values: T) -> ();
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}
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#[derive(Copy, Clone)]
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#[repr(simd)]
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struct Simd<T, const N: usize>([T; N]);
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fn main() {
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unsafe {
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let mut arr = [4u8, 5, 6, 7];
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let default = Simd::<u8, 4>([9; 4]);
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let _x: Simd<u8, 2> = simd_masked_load(
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Simd::<i8, 4>([-1, 0, -1, -1]),
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arr.as_ptr(),
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Simd::<u8, 4>([9; 4])
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);
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//~^^ ERROR mismatched types
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let _x: Simd<u32, 4> = simd_masked_load(
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Simd::<u8, 4>([1, 0, 1, 1]),
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arr.as_ptr(),
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default
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);
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//~^^ ERROR mismatched types
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}
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}
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