1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/intrinsics/i8vecmul.js b/js/src/jit-test/tests/wasm/intrinsics/i8vecmul.js
new file mode 100644
index 0000000000..22bbb169d9
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/intrinsics/i8vecmul.js
@@ -0,0 +1,32 @@
+let memory = new WebAssembly.Memory({initial: 1});
+let bytes = new Uint8Array(memory.buffer);
+
+let module = wasmIntrinsicI8VecMul();
+let instance = new WebAssembly.Instance(module, {
+  "": {"memory": memory}
+});
+let {i8vecmul} = instance.exports;
+
+// Test basic vector pairwise product
+{
+  // [0, 1, 2, 3] . [0, 2, 4, 6] = [0, 2, 8, 18]
+  for (let i = 0; i < 4; i++) {
+    bytes[i] = i;
+    bytes[4 + i] = i * 2;
+  }
+  i8vecmul(
+    /* dest */ 8,
+    /* src1 */ 0,
+    /* src2 */ 4,
+    /* len */ 4);
+  for (let i = 0; i < 4; i++) {
+    assertEq(bytes[8 + i], i * i * 2);
+  }
+}
+
+// Test bounds checking
+{
+  assertErrorMessage(() => i8vecmul(PageSizeInBytes - 1, 0, 0, 2), WebAssembly.RuntimeError, /index out of bounds/);
+  assertErrorMessage(() => i8vecmul(0, PageSizeInBytes - 1, 0, 2), WebAssembly.RuntimeError, /index out of bounds/);
+  assertErrorMessage(() => i8vecmul(0, 0, PageSizeInBytes - 1, 2), WebAssembly.RuntimeError, /index out of bounds/);
+}