1 files changed, 93 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/simd-lane-memory64.js b/deps/v8/test/mjsunit/wasm/simd-lane-memory64.js
new file mode 100644
index 0000000000..77c81206e8
--- /dev/null
+++ b/deps/v8/test/mjsunit/wasm/simd-lane-memory64.js
@@ -0,0 +1,93 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --experimental-wasm-memory64
+
+d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
+
+const GB = 1024 * 1024 * 1024;
+const SRC_OFFSET = 4294970000n; // 0x100000a90n
+const SRC_OFFSET_LEB = [0x90, 0x95, 0x80, 0x80, 0x10];
+const DST_OFFSET = 4294970160n;
+const DST_OFFSET_LEB = [0xb0, 0x96, 0x80, 0x80, 0x10];
+
+var builder = new WasmModuleBuilder();
+builder.addMemory64(5 * GB / kPageSize).exportMemoryAs("memory");
+
+// Here we make a global of type v128 to be the target
+// for loading lanes and the source for storing lanes.
+var g = builder.addGlobal(
+  kWasmS128, true,
+  [kSimdPrefix, kExprS128Const,
+   1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0]);
+
+for (let i = 0; i < 4; ++i) {
+  builder.addFunction(`load_lane_${i}`, kSig_v_l)
+      .addBody([kExprLocalGet, 0,
+                kExprGlobalGet, g.index,
+                kSimdPrefix, kExprS128Load32Lane, 0, 0, i,
+                kExprGlobalSet, g.index])
+      .exportFunc();
+
+  builder.addFunction(`store_lane_${i}`, kSig_v_l)
+      .addBody([kExprLocalGet, 0,
+                kExprGlobalGet, g.index,
+                kSimdPrefix, kExprS128Store32Lane, 0, 0, i])
+      .exportFunc();
+
+  builder.addFunction(`Load_Lane_${i}`, kSig_v_l)
+      .addBody([kExprLocalGet, 0,
+                kExprGlobalGet, g.index,
+                kSimdPrefix, kExprS128Load32Lane, 0, ...SRC_OFFSET_LEB, i,
+                kExprGlobalSet, g.index])
+      .exportFunc();
+
+  builder.addFunction(`Store_Lane_${i}`, kSig_v_l)
+      .addBody([kExprLocalGet, 0,
+                kExprGlobalGet, g.index,
+                kSimdPrefix, kExprS128Store32Lane, 0, ...DST_OFFSET_LEB, i])
+      .exportFunc();
+}
+
+(function TestLoadStoreLaneExternalOffset(){
+  print(arguments.callee.name);
+
+  var instance = builder.instantiate({});
+  var buffer = instance.exports.memory.buffer;
+
+  var src_view = new Uint32Array(buffer, Number(SRC_OFFSET), 4);
+  var dst_view = new Uint32Array(buffer, Number(DST_OFFSET), 4);
+  var values = [ 0x01234567, 0x89abcdef, 0x76543210, 0xfedcba98 ];
+  var expected_values = [ 0, 0, 0, 0 ];
+  src_view.set(values, 0);
+
+  for (let i = 0n; i < 4n; ++i) {
+    expected_values[i] = values[i];
+    const offset = 4n * i;
+    instance.exports[`load_lane_${i}`](SRC_OFFSET + offset);
+    instance.exports[`store_lane_${i}`](DST_OFFSET + offset);
+    assertEquals(expected_values, Array.from(dst_view.values()));
+  }
+})();
+
+(function TestLoadStoreLaneInternalOffset(){
+  print(arguments.callee.name);
+
+  var instance = builder.instantiate({});
+  var buffer = instance.exports.memory.buffer;
+
+  var src_view = new Uint32Array(buffer, Number(SRC_OFFSET), 4);
+  var dst_view = new Uint32Array(buffer, Number(DST_OFFSET), 4);
+  var values = [ 0x01234567, 0x89abcdef, 0x76543210, 0xfedcba98 ];
+  var expected_values = [ 0, 0, 0, 0 ];
+  src_view.set(values, 0);
+
+  for (let i = 0n; i < 4n; ++i) {
+    expected_values[i] = values[i];
+    const offset = 4n * i;
+    instance.exports[`Load_Lane_${i}`](offset);
+    instance.exports[`Store_Lane_${i}`](offset);
+    assertEquals(expected_values, Array.from(dst_view.values()));
+  }
+})();