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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/simd/issue-89193.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/simd/issue-89193.rs')
-rw-r--r-- | src/test/ui/simd/issue-89193.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/test/ui/simd/issue-89193.rs b/src/test/ui/simd/issue-89193.rs new file mode 100644 index 000000000..79c4e6a31 --- /dev/null +++ b/src/test/ui/simd/issue-89193.rs @@ -0,0 +1,51 @@ +// run-pass + +// Test that simd gather instructions on slice of usize don't cause crash +// See issue #89183 - https://github.com/rust-lang/rust/issues/89193 + +#![feature(repr_simd, platform_intrinsics)] +#![allow(non_camel_case_types)] + +#[repr(simd)] +#[derive(Copy, Clone, PartialEq, Debug)] +struct x4<T>(pub T, pub T, pub T, pub T); + +extern "platform-intrinsic" { + fn simd_gather<T, U, V>(x: T, y: U, z: V) -> T; +} + +fn main() { + let x: [usize; 4] = [10, 11, 12, 13]; + let default = x4(0_usize, 1, 2, 3); + let mask = x4(1_i32, 1, 1, 1); + let expected = x4(10_usize, 11, 12, 13); + + unsafe { + let pointer = &x[0] as *const usize; + let pointers = x4( + pointer.offset(0) as *const usize, + pointer.offset(1), + pointer.offset(2), + pointer.offset(3) + ); + let result = simd_gather(default, pointers, mask); + assert_eq!(result, expected); + } + + // and again for isize + let x: [isize; 4] = [10, 11, 12, 13]; + let default = x4(0_isize, 1, 2, 3); + let expected = x4(10_isize, 11, 12, 13); + + unsafe { + let pointer = &x[0] as *const isize; + let pointers = x4( + pointer.offset(0) as *const isize, + pointer.offset(1), + pointer.offset(2), + pointer.offset(3) + ); + let result = simd_gather(default, pointers, mask); + assert_eq!(result, expected); + } +} |