1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/spec/multi-memory/align0.wast.js b/js/src/jit-test/tests/wasm/spec/multi-memory/align0.wast.js
new file mode 100644
index 0000000000..bafbd476e2
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/spec/multi-memory/align0.wast.js
@@ -0,0 +1,65 @@
+/* Copyright 2021 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// ./test/core/multi-memory/align0.wast
+
+// ./test/core/multi-memory/align0.wast:3
+let $0 = instantiate(`(module
+  (memory $$mem0 0)
+  (memory $$mem1 1)
+  (memory $$mem2 0)
+
+  ;; $$default: natural alignment, $$1: align=1, $$2: align=2, $$4: align=4, $$8: align=8
+
+  (func (export "f32_align_switch") (param i32) (result f32)
+    (local f32 f32)
+    (local.set 1 (f32.const 10.0))
+    (block $$4
+      (block $$2
+        (block $$1
+          (block $$default
+            (block $$0
+              (br_table $$0 $$default $$1 $$2 $$4 (local.get 0))
+            ) ;; 0
+            (f32.store $$mem1 (i32.const 0) (local.get 1))
+            (local.set 2 (f32.load $$mem1 (i32.const 0)))
+            (br $$4)
+          ) ;; default
+          (f32.store $$mem1 align=1 (i32.const 0) (local.get 1))
+          (local.set 2 (f32.load $$mem1 align=1 (i32.const 0)))
+          (br $$4)
+        ) ;; 1
+        (f32.store $$mem1 align=2 (i32.const 0) (local.get 1))
+        (local.set 2 (f32.load $$mem1 align=2 (i32.const 0)))
+        (br $$4)
+      ) ;; 2
+      (f32.store $$mem1 align=4 (i32.const 0) (local.get 1))
+      (local.set 2 (f32.load $$mem1 align=4 (i32.const 0)))
+    ) ;; 4
+    (local.get 2)
+  )
+)`);
+
+// ./test/core/multi-memory/align0.wast:39
+assert_return(() => invoke($0, `f32_align_switch`, [0]), [value("f32", 10)]);
+
+// ./test/core/multi-memory/align0.wast:40
+assert_return(() => invoke($0, `f32_align_switch`, [1]), [value("f32", 10)]);
+
+// ./test/core/multi-memory/align0.wast:41
+assert_return(() => invoke($0, `f32_align_switch`, [2]), [value("f32", 10)]);
+
+// ./test/core/multi-memory/align0.wast:42
+assert_return(() => invoke($0, `f32_align_switch`, [3]), [value("f32", 10)]);