1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/asm/x86_64/target-feature-attr.rs b/src/test/ui/asm/x86_64/target-feature-attr.rs
new file mode 100644
index 000000000..14490c3e0
--- /dev/null
+++ b/src/test/ui/asm/x86_64/target-feature-attr.rs
@@ -0,0 +1,42 @@
+// only-x86_64
+
+#![feature(avx512_target_feature)]
+
+use std::arch::asm;
+
+#[target_feature(enable = "avx")]
+unsafe fn foo() {
+    let mut x = 1;
+    let y = 2;
+    asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
+    assert_eq!(x, 3);
+}
+
+unsafe fn bar() {
+    let mut x = 1;
+    let y = 2;
+    asm!("vaddps {2:y}, {0:y}, {1:y}", in(ymm_reg) x, in(ymm_reg) y, lateout(ymm_reg) x);
+    //~^ ERROR: register class `ymm_reg` requires the `avx` target feature
+    //~| ERROR: register class `ymm_reg` requires the `avx` target feature
+    //~| ERROR: register class `ymm_reg` requires the `avx` target feature
+    assert_eq!(x, 3);
+}
+
+#[target_feature(enable = "avx512bw")]
+unsafe fn baz() {
+    let x = 1;
+    asm!("/* {0} */", in(kreg) x);
+}
+
+unsafe fn baz2() {
+    let x = 1;
+    asm!("/* {0} */", in(kreg) x);
+    //~^ ERROR: register class `kreg` requires at least one of the following target features: avx512bw, avx512f
+}
+
+fn main() {
+    unsafe {
+        foo();
+        bar();
+    }
+}