1 files changed, 104 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/SIMD/swizzle.js b/js/src/jit-test/tests/SIMD/swizzle.js
new file mode 100644
index 000000000..2fd56620b
--- /dev/null
+++ b/js/src/jit-test/tests/SIMD/swizzle.js
@@ -0,0 +1,104 @@
+if (!this.hasOwnProperty("SIMD"))
+  quit();
+
+load(libdir + 'simd.js');
+
+setJitCompilerOption("ion.warmup.trigger", 50);
+
+function f() {
+    var i4 = SIMD.Int32x4(1, 2, 3, 4);
+
+    var leet = Math.fround(13.37);
+    var f4 = SIMD.Float32x4(-.5, -0, Infinity, leet);
+
+    var compI = [
+        [1,2,3,4],
+        [2,3,4,1],
+        [3,4,1,2],
+        [4,1,2,3]
+    ];
+
+    var compF = [
+        [-.5, -0, Infinity, leet],
+        [-0, Infinity, leet, -.5],
+        [Infinity, leet, -.5, -0],
+        [leet, -.5, -0, Infinity]
+    ];
+
+    for (var i = 0; i < 150; i++) {
+        // Variable lanes
+        var r = SIMD.Float32x4.swizzle(f4, i % 4, (i + 1) % 4, (i + 2) % 4, (i + 3) % 4);
+        assertEqX4(r, compF[i % 4]);
+
+        // Constant lanes
+        assertEqX4(SIMD.Float32x4.swizzle(f4, 3, 2, 1, 0), [leet, Infinity, -0, -.5]);
+
+        // Variable lanes
+        var r = SIMD.Int32x4.swizzle(i4, i % 4, (i + 1) % 4, (i + 2) % 4, (i + 3) % 4);
+        assertEqX4(r, compI[i % 4]);
+
+        // Constant lanes
+        assertEqX4(SIMD.Int32x4.swizzle(i4, 3, 2, 1, 0), [4, 3, 2, 1]);
+    }
+}
+
+function testBailouts(expectException, uglyDuckling) {
+    var i4 = SIMD.Int32x4(1, 2, 3, 4);
+    for (var i = 0; i < 150; i++) {
+        // Test bailouts
+        var value = i == 149 ? uglyDuckling : 0;
+        var caught = false;
+        try {
+            assertEqX4(SIMD.Int32x4.swizzle(i4, value, 3, 2, 0), [1, 4, 3, 1]);
+        } catch(e) {
+            print(e);
+            caught = true;
+            assertEq(i, 149);
+            assertEq(e instanceof TypeError || e instanceof RangeError, true);
+        }
+        if (i == 149)
+            assertEq(caught, expectException);
+    }
+}
+
+function testInt32x4SwizzleBailout() {
+    // Test out-of-bounds non-constant indices. This is expected to throw.
+    var i4 = SIMD.Int32x4(1, 2, 3, 4);
+    for (var i = 0; i < 150; i++) {
+        assertEqX4(SIMD.Int32x4.swizzle(i4, i, 3, 2, 0), [i + 1, 4, 3, 1]);
+    }
+}
+
+f();
+testBailouts(true, -1);
+testBailouts(true, 4);
+testBailouts(true, 2.5);
+testBailouts(true, undefined);
+testBailouts(true, {});
+testBailouts(true, 'one');
+testBailouts(false, false);
+testBailouts(false, null);
+testBailouts(false, " 0.0 ");
+
+try {
+    testInt32x4SwizzleBailout();
+    throw 'not caught';
+} catch(e) {
+    assertEq(e instanceof RangeError, true);
+}
+
+(function() {
+    var zappa = 0;
+
+    function testBailouts() {
+        var i4 = SIMD.Int32x4(1, 2, 3, 4);
+        for (var i = 0; i < 300; i++) {
+            var value = i == 299 ? 2.5 : 1;
+            SIMD.Int32x4.swizzle(i4, value, 3, 2, 0);
+            zappa = i;
+        }
+    }
+
+    try { testBailouts(); } catch (e) {}
+    assertEq(zappa, 298);
+})();