Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/tests/ui/simd/issue-89193.rs b/tests/ui/simd/issue-89193.rs
new file mode 100644
index 000000000..79c4e6a31
--- /dev/null
+++ b/tests/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);
+    }
+}