From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/simd/issue-85915-simd-ptrs.rs | 67 +++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/test/ui/simd/issue-85915-simd-ptrs.rs

(limited to 'src/test/ui/simd/issue-85915-simd-ptrs.rs')

diff --git a/src/test/ui/simd/issue-85915-simd-ptrs.rs b/src/test/ui/simd/issue-85915-simd-ptrs.rs
new file mode 100644
index 000000000..6fe415545
--- /dev/null
+++ b/src/test/ui/simd/issue-85915-simd-ptrs.rs
@@ -0,0 +1,67 @@
+// run-pass
+// ignore-emscripten
+
+// Short form of the generic gather/scatter tests,
+// verifying simd([*const T; N]) and simd([*mut T; N]) pass typeck and work.
+#![feature(repr_simd, platform_intrinsics)]
+#![allow(non_camel_case_types)]
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct cptrx4<T>([*const T; 4]);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct mptrx4<T>([*mut T; 4]);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct f32x4([f32; 4]);
+
+#[repr(simd)]
+#[derive(Copy, Clone, PartialEq, Debug)]
+struct i32x4([i32; 4]);
+
+extern "platform-intrinsic" {
+    fn simd_gather<T, U, V>(x: T, y: U, z: V) -> T;
+    fn simd_scatter<T, U, V>(x: T, y: U, z: V) -> ();
+}
+
+fn main() {
+    let mut x = [0_f32, 1., 2., 3., 4., 5., 6., 7.];
+
+    let default = f32x4([-3_f32, -3., -3., -3.]);
+    let s_strided = f32x4([0_f32, 2., -3., 6.]);
+    let mask = i32x4([-1_i32, -1, 0, -1]);
+
+    // reading from *const
+    unsafe {
+        let pointer = &x as *const f32;
+        let pointers =  cptrx4([
+            pointer.offset(0) as *const f32,
+            pointer.offset(2),
+            pointer.offset(4),
+            pointer.offset(6)
+        ]);
+
+        let r_strided = simd_gather(default, pointers, mask);
+
+        assert_eq!(r_strided, s_strided);
+    }
+
+    // writing to *mut
+    unsafe {
+        let pointer = &mut x as *mut f32;
+        let pointers = mptrx4([
+            pointer.offset(0) as *mut f32,
+            pointer.offset(2),
+            pointer.offset(4),
+            pointer.offset(6)
+        ]);
+
+        let values = f32x4([42_f32, 43_f32, 44_f32, 45_f32]);
+        simd_scatter(values, pointers, mask);
+
+        assert_eq!(x, [42., 1., 43., 3., 4., 5., 45., 7.]);
+    }
+}
-- 
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