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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/simd/intrinsic/generic-as.rs
parentInitial commit. (diff)
downloadrustc-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/intrinsic/generic-as.rs')
-rw-r--r--src/test/ui/simd/intrinsic/generic-as.rs48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/test/ui/simd/intrinsic/generic-as.rs b/src/test/ui/simd/intrinsic/generic-as.rs
new file mode 100644
index 000000000..a975190a2
--- /dev/null
+++ b/src/test/ui/simd/intrinsic/generic-as.rs
@@ -0,0 +1,48 @@
+// run-pass
+
+#![feature(repr_simd, platform_intrinsics)]
+
+extern "platform-intrinsic" {
+ fn simd_as<T, U>(x: T) -> U;
+}
+
+#[derive(Copy, Clone)]
+#[repr(simd)]
+struct V<T>([T; 2]);
+
+fn main() {
+ unsafe {
+ let u = V::<u32>([u32::MIN, u32::MAX]);
+ let i: V<i16> = simd_as(u);
+ assert_eq!(i.0[0], u.0[0] as i16);
+ assert_eq!(i.0[1], u.0[1] as i16);
+ }
+
+ unsafe {
+ let f = V::<f32>([f32::MIN, f32::MAX]);
+ let i: V<i16> = simd_as(f);
+ assert_eq!(i.0[0], f.0[0] as i16);
+ assert_eq!(i.0[1], f.0[1] as i16);
+ }
+
+ unsafe {
+ let f = V::<f32>([f32::MIN, f32::MAX]);
+ let u: V<u8> = simd_as(f);
+ assert_eq!(u.0[0], f.0[0] as u8);
+ assert_eq!(u.0[1], f.0[1] as u8);
+ }
+
+ unsafe {
+ let f = V::<f64>([f64::MIN, f64::MAX]);
+ let i: V<isize> = simd_as(f);
+ assert_eq!(i.0[0], f.0[0] as isize);
+ assert_eq!(i.0[1], f.0[1] as isize);
+ }
+
+ unsafe {
+ let f = V::<f64>([f64::MIN, f64::MAX]);
+ let u: V<usize> = simd_as(f);
+ assert_eq!(u.0[0], f.0[0] as usize);
+ assert_eq!(u.0[1], f.0[1] as usize);
+ }
+}