1 files changed, 59 insertions, 0 deletions
diff --git a/tests/assembly/asm/avr-modifiers.rs b/tests/assembly/asm/avr-modifiers.rs
new file mode 100644
index 000000000..ffdc8f2e3
--- /dev/null
+++ b/tests/assembly/asm/avr-modifiers.rs
@@ -0,0 +1,59 @@
+// assembly-output: emit-asm
+// compile-flags: --target avr-unknown-gnu-atmega328
+// needs-llvm-components: avr
+
+#![feature(no_core, lang_items, rustc_attrs, asm_experimental_arch)]
+#![crate_type = "rlib"]
+#![no_core]
+#![allow(non_camel_case_types)]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+    () => {};
+}
+#[rustc_builtin_macro]
+macro_rules! concat {
+    () => {};
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+type ptr = *const u64;
+
+impl Copy for i8 {}
+impl Copy for i16 {}
+impl Copy for i32 {}
+impl Copy for i64 {}
+impl Copy for ptr {}
+
+macro_rules! check {
+    ($func:ident $hi:literal $lo:literal $reg:tt) => {
+        #[no_mangle]
+        unsafe fn $func() -> i16 {
+            let y;
+            asm!(concat!("mov {0:", $hi, "}, {0:", $lo, "}"), out($reg) y);
+            y
+        }
+    };
+}
+
+// CHECK-LABEL: reg_pair_modifiers:
+// CHECK: ;APP
+// CHECK: mov r{{[1-9]?[13579]}}, r{{[1-9]?[24680]}}
+// CHECK: ;NO_APP
+check!(reg_pair_modifiers "h" "l" reg_pair);
+
+// CHECK-LABEL: reg_iw_modifiers:
+// CHECK: ;APP
+// CHECK: mov r{{[1-9]?[13579]}}, r{{[1-9]?[24680]}}
+// CHECK: ;NO_APP
+check!(reg_iw_modifiers "h" "l" reg_iw);
+
+// CHECK-LABEL: reg_ptr_modifiers:
+// CHECK: ;APP
+// CHECK: mov r{{[1-9]?[13579]}}, r{{[1-9]?[24680]}}
+// CHECK: ;NO_APP
+check!(reg_ptr_modifiers "h" "l" reg_ptr);