new file mode 100644
--- /dev/null
+++ b/js/src/tests/ecma_7/SIMD/conversions.js
@@ -0,0 +1,184 @@
+// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
+var float32x4 = SIMD.float32x4;
+var float64x2 = SIMD.float64x2;
+var int32x4 = SIMD.int32x4;
+
+function testFloat32x4FromFloat64x2() {
+  function expected(v) {
+    return [...(v.map(Math.fround)), 0, 0];
+  }
+
+  var vals = [
+    [1, 2],
+    [-0, NaN],
+    [Infinity, -Infinity],
+    [Math.pow(2, 25) - 1, -Math.pow(25)],
+    [Math.pow(2, 1000), Math.pow(2, -1000)]
+  ];
+
+  for (var v of vals) {
+    assertEqX4(float32x4.fromFloat64x2(float64x2(...v)), expected(v));
+  }
+}
+
+function testFloat32x4FromFloat64x2Bits() {
+  var valsExp = [
+    [[2.000000473111868, 512.0001225471497], [1.0, 2.0, 3.0, 4.0]],
+    [[-0, NaN], [0, -0, 0, NaN]],
+    [[Infinity, -Infinity], [0, NaN, 0, NaN]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(float32x4.fromFloat64x2Bits(float64x2(...v)), w);
+  }
+}
+
+function testFloat32x4FromInt32x4() {
+  function expected(v) {
+    return v.map(Math.fround);
+  }
+  var vals = [
+    [1, 2, 3, 4],
+    [INT32_MIN, INT32_MAX, Math.pow(2, 30) - 1, -Math.pow(2, 30)]
+  ];
+
+  for (var v of vals) {
+    assertEqX4(float32x4.fromInt32x4(int32x4(...v)), expected(v));
+  }
+}
+
+function testFloat32x4FromInt32x4Bits() {
+  var valsExp = [
+    [[100, 200, 300, 400], [1.401298464324817e-43, 2.802596928649634e-43, 4.203895392974451e-43, 5.605193857299268e-43]],
+    [[INT32_MIN, INT32_MAX, 0, 0], [-0, NaN, 0, 0]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(float32x4.fromInt32x4Bits(int32x4(...v)), w);
+  }
+}
+
+function testFloat64x2FromFloat32x4() {
+  function expected(v) {
+    return v.slice(0, 2).map(Math.fround);
+  }
+
+  var vals = [
+    [100, 200, 300, 400],
+    [NaN, -0, NaN, -0],
+    [Infinity, -Infinity, Infinity, -Infinity],
+    [13.37, 12.853, 49.97, 53.124]
+  ];
+
+  for (var v of vals) {
+    assertEqX2(float64x2.fromFloat32x4(float32x4(...v)), expected(v));
+  }
+}
+
+function testFloat64x2FromFloat32x4Bits() {
+  var valsExp = [
+    [[0, 1.875, 0, 2], [1.0, 2.0]],
+    [[NaN, -0, Infinity, -Infinity], [-1.058925634e-314, -1.404448428688076e+306]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX2(float64x2.fromFloat32x4Bits(float32x4(...v)), w);
+  }
+}
+
+function testFloat64x2FromInt32x4() {
+  function expected(v) {
+    return v.slice(0, 2);
+  }
+
+  var vals = [
+    [1, 2, 3, 4],
+    [INT32_MAX, INT32_MIN, 0, 0]
+  ];
+
+  for (var v of vals) {
+    assertEqX2(float64x2.fromInt32x4(int32x4(...v)), expected(v));
+  }
+}
+
+function testFloat64x2FromInt32x4Bits() {
+  var valsExp = [
+    [[0x00000000, 0x3ff00000, 0x0000000, 0x40000000], [1.0, 2.0]],
+    [[0xabcdef12, 0x3ff00000, 0x21fedcba, 0x40000000], [1.0000006400213732, 2.0000002532866263]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX2(float64x2.fromInt32x4Bits(int32x4(...v)), w);
+  }
+}
+
+function testInt32x4FromFloat32x4() {
+  var valsExp = [
+    [[1.1, 2.2, 3.3, 4.6], [1, 2, 3, 4]],
+    [[NaN, -0, Infinity, -Infinity], [0, 0, 0, 0]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(int32x4.fromFloat32x4(float32x4(...v)), w);
+  }
+}
+
+function testInt32x4FromFloat32x4Bits() {
+  var valsExp = [
+    [[1, 2, 3, 4], [0x3f800000 | 0, 0x40000000 | 0, 0x40400000 | 0, 0x40800000 | 0]],
+    [[NaN, -0, Infinity, -Infinity], [0x7fc00000 | 0, 0x80000000 | 0, 0x7f800000 | 0, 0xff800000 | 0]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(int32x4.fromFloat32x4Bits(float32x4(...v)), w);
+  }
+}
+
+function testInt32x4FromFloat64x2() {
+  var valsExp = [
+    [[1, 2.2], [1, 2, 0, 0]],
+    [[NaN, -0], [0, 0, 0, 0]],
+    [[Infinity, -Infinity], [0, 0, 0, 0]],
+    [[Math.pow(2, 31), -Math.pow(2, 31) - 1], [INT32_MIN, INT32_MAX, 0, 0]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(int32x4.fromFloat64x2(float64x2(...v)), w);
+  }
+}
+
+function testInt32x4FromFloat64x2Bits() {
+  var valsExp = [
+    [[1.0, 2.0], [0x00000000, 0x3FF00000, 0x00000000, 0x40000000]],
+    [[+Infinity, -Infinity], [0x00000000, 0x7ff00000, 0x00000000, -0x100000]],
+    [[-0, NaN], [0x00000000, -0x80000000, 0x00000000, 0x7ff80000]],
+    [[1.0000006400213732, 2.0000002532866263], [-0x543210ee, 0x3ff00000, 0x21fedcba, 0x40000000]]
+  ];
+
+  for (var [v,w] of valsExp) {
+    assertEqX4(int32x4.fromFloat64x2Bits(float64x2(...v)), w);
+  }
+}
+
+function test() {
+  testFloat32x4FromFloat64x2();
+  testFloat32x4FromFloat64x2Bits();
+  testFloat32x4FromInt32x4();
+  testFloat32x4FromInt32x4Bits();
+
+  testFloat64x2FromFloat32x4();
+  testFloat64x2FromFloat32x4Bits();
+  testFloat64x2FromInt32x4();
+  testFloat64x2FromInt32x4Bits();
+
+  testInt32x4FromFloat32x4();
+  testInt32x4FromFloat32x4Bits();
+  testInt32x4FromFloat64x2();
+  testInt32x4FromFloat64x2Bits();
+
+  if (typeof reportCompare === "function") {
+    reportCompare(true, true);
+  }
+}
+
+test();

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float32x4fromfloat64x2.js
+++ /dev/null
@@ -1,60 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float32x4 = SIMD.float32x4;
-var float64x2 = SIMD.float64x2;
-
-var summary = 'float32x4 fromFloat64x2';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float64x2(1, 2);
-  var c = float32x4.fromFloat64x2(a);
-  assertEq(c.x, 1);
-  assertEq(c.y, 2);
-  assertEq(c.z, 0);
-  assertEq(c.w, 0);
-
-  var d = float64x2(-0, NaN);
-  var f = float32x4.fromFloat64x2(d);
-  assertEq(f.x, -0);
-  assertEq(f.y, NaN);
-  assertEq(f.z, 0);
-  assertEq(f.w, 0);
-
-  var g = float64x2(Infinity, -Infinity);
-  var i = float32x4.fromFloat64x2(g);
-  assertEq(i.x, Infinity);
-  assertEq(i.y, -Infinity);
-  assertEq(i.z, 0);
-  assertEq(i.w, 0);
-
-  var j = Math.pow(2, 25) - 1;
-  var k = -Math.pow(2, 25);
-  var l = float64x2(j, k);
-  var m = float32x4.fromFloat64x2(l);
-  assertEq(m.x, Math.fround(j));
-  assertEq(m.y, Math.fround(k));
-  assertEq(m.z, 0);
-  assertEq(m.w, 0);
-
-  var o = Math.pow(2, 1000);
-  var p = Math.pow(2, -1000);
-  var q = float64x2(o, p);
-  var r = float32x4.fromFloat64x2(q);
-  assertEq(r.x, Math.fround(o));
-  assertEq(r.y, Math.fround(p));
-  assertEq(r.z, 0);
-  assertEq(r.w, 0);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float32x4fromfloat64x2bits.js
+++ /dev/null
@@ -1,43 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float32x4 = SIMD.float32x4;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float32x4 fromFloat64x2Bits';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float64x2(2.000000473111868, 512.0001225471497);
-  var b = float32x4.fromFloat64x2Bits(a);
-  assertEq(b.x, 1.0);
-  assertEq(b.y, 2.0);
-  assertEq(b.z, 3.0);
-  assertEq(b.w, 4.0);
-
-  var c = float64x2(-0, NaN);
-  var d = float32x4.fromFloat64x2Bits(c);
-  assertEq(d.x, 0);
-  assertEq(d.y, -0);
-  assertEq(d.z, 0);
-  assertEq(d.w, NaN);
-
-  var e = float64x2(Infinity, -Infinity);
-  var f = float32x4.fromFloat64x2Bits(e);
-  assertEq(f.x, 0);
-  assertEq(f.y, NaN);
-  assertEq(f.z, 0);
-  assertEq(f.w, NaN);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float32x4fromint32x4.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 946042;
-var float32x4 = SIMD.float32x4;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float32x4 fromInt32x4';
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var INT32_MAX = Math.pow(2, 31) - 1;
-  var INT32_MIN = -Math.pow(2, 31);
-
-  var a = int32x4(1, 2, 3, 4);
-  var c = SIMD.float32x4.fromInt32x4(a);
-  assertEq(c.x, 1);
-  assertEq(c.y, 2);
-  assertEq(c.z, 3);
-  assertEq(c.w, 4);
-
-  var value1 = Math.pow(2, 30) - 1;
-  var value2 = -Math.pow(2, 30);
-  var d = int32x4(INT32_MIN, INT32_MAX, value1, value2);
-  var f = float32x4.fromInt32x4(d);
-  assertEq(f.x, Math.fround(INT32_MIN));
-  assertEq(f.y, Math.fround(INT32_MAX));
-  assertEq(f.z, Math.fround(value1));
-  assertEq(f.w, Math.fround(value2));
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float32x4fromint32x4bits.js
+++ /dev/null
@@ -1,33 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 946042;
-var float32x4 = SIMD.float32x4;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float32x4 fromInt32x4Bits';
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var INT32_MAX = Math.pow(2, 31) - 1;
-  var INT32_MIN = -Math.pow(2, 31);
-
-  var a = int32x4(100, 200, 300, 400);
-  var c = SIMD.float32x4.fromInt32x4Bits(a);
-  assertEq(c.x, 1.401298464324817e-43);
-  assertEq(c.y, 2.802596928649634e-43);
-  assertEq(c.z, 4.203895392974451e-43);
-  assertEq(c.w, 5.605193857299268e-43);
-
-  var d = int32x4(INT32_MIN, INT32_MAX, 0, 0);
-  var f = float32x4.fromInt32x4Bits(d);
-  assertEq(f.x, -0);
-  assertEq(f.y, NaN);
-  assertEq(f.z, 0);
-  assertEq(f.w, 0);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float64x2fromfloat32x4.js
+++ /dev/null
@@ -1,41 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float32x4 = SIMD.float32x4;
-var float64x2 = SIMD.float64x2;
-
-var summary = 'float64x2 fromFloat32x4';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float32x4(100, 200, 300, 400);
-  var c = float64x2.fromFloat32x4(a);
-  assertEq(c.x, 100);
-  assertEq(c.y, 200);
-
-  var d = float32x4(NaN, -0, NaN, -0);
-  var f = float64x2.fromFloat32x4(d);
-  assertEq(f.x, NaN);
-  assertEq(f.y, -0);
-
-  var g = float32x4(Infinity, -Infinity, Infinity, -Infinity);
-  var i = float64x2.fromFloat32x4(g);
-  assertEq(i.x, Infinity);
-  assertEq(i.y, -Infinity);
-
-  var j = float32x4(13.37, 12.853, 49.97, 53.124);
-  var l = float64x2.fromFloat32x4(j);
-  assertEq(l.x, Math.fround(13.37));
-  assertEq(l.y, Math.fround(12.853));
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float64x2fromfloat32x4bits.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float32x4 = SIMD.float32x4;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float64x2 fromFloat32x4Bits';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float32x4(0, 1.875, 0, 2);
-  var c = float64x2.fromFloat32x4Bits(a);
-  assertEq(c.x, 1.0);
-  assertEq(c.y, 2.0);
-
-  var d = float32x4(NaN, -0, Infinity, -Infinity);
-  var f = float64x2.fromFloat32x4Bits(d);
-  assertEq(f.x, -1.058925634e-314);
-  assertEq(f.y, -1.404448428688076e+306);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float64x2fromint32x4.js
+++ /dev/null
@@ -1,31 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float64x2 fromInt32x4';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = int32x4(1, 2, 3, 4);
-  var c = float64x2.fromInt32x4(a);
-  assertEq(c.x, 1);
-  assertEq(c.y, 2);
-
-  var d = int32x4(INT32_MAX, INT32_MIN, 0, 0);
-  var f = float64x2.fromInt32x4(d);
-  assertEq(f.x, INT32_MAX);
-  assertEq(f.y, INT32_MIN);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/float64x2fromint32x4bits.js
+++ /dev/null
@@ -1,31 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'float64x2 fromInt32x4Bits';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = int32x4(0x00000000, 0x3ff00000, 0x0000000, 0x40000000);
-  var c = float64x2.fromInt32x4Bits(a);
-  assertEq(c.x, 1.0);
-  assertEq(c.y, 2.0);
-
-  var d = int32x4(0xabcdef12, 0x3ff00000, 0x21fedcba, 0x40000000);
-  var f = float64x2.fromInt32x4Bits(d);
-  assertEq(f.x, 1.0000006400213732);
-  assertEq(f.y, 2.0000002532866263);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/int32x4fromfloat32x4.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 946042;
-var float32x4 = SIMD.float32x4;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'int32x4 fromFloat32x4';
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float32x4(1.1, 2.2, 3.3, 4.6);
-  var c = SIMD.int32x4.fromFloat32x4(a);
-  assertEq(c.x, 1);
-  assertEq(c.y, 2);
-  assertEq(c.z, 3);
-  assertEq(c.w, 4);
-
-  var d = float32x4(NaN, -0, Infinity, -Infinity);
-  var f = SIMD.int32x4.fromFloat32x4(d);
-  assertEq(f.x, 0);
-  assertEq(f.y, 0);
-  assertEq(f.z, 0);
-  assertEq(f.w, 0);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/int32x4fromfloat32x4bits.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 946042;
-var float32x4 = SIMD.float32x4;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'int32x4 fromFloat32x4Bits';
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float32x4(1, 2, 3, 4);
-  var c = SIMD.int32x4.fromFloat32x4Bits(a);
-  assertEq(c.x, 0x3f800000 | 0);
-  assertEq(c.y, 0x40000000 | 0);
-  assertEq(c.z, 0x40400000 | 0);
-  assertEq(c.w, 0x40800000 | 0);
-
-  var d = float32x4(NaN, -0, Infinity, -Infinity);
-  var f = SIMD.int32x4.fromFloat32x4Bits(d);
-  assertEq(f.x, 0x7fc00000 | 0);
-  assertEq(f.y, 0x80000000 | 0);
-  assertEq(f.z, 0x7f800000 | 0);
-  assertEq(f.w, 0xff800000 | 0);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/int32x4fromfloat64x2.js
+++ /dev/null
@@ -1,51 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'int32x4 fromFloat64x2';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float64x2(1, 2.2);
-  var c = int32x4.fromFloat64x2(a);
-  assertEq(c.x, 1);
-  assertEq(c.y, 2);
-  assertEq(c.z, 0);
-  assertEq(c.w, 0);
-
-  var d = float64x2(NaN, -0);
-  var f = int32x4.fromFloat64x2(d);
-  assertEq(f.x, 0);
-  assertEq(f.y, 0);
-  assertEq(f.z, 0);
-  assertEq(f.w, 0);
-
-  var g = float64x2(Infinity, -Infinity);
-  var i = int32x4.fromFloat64x2(g);
-  assertEq(i.x, 0);
-  assertEq(i.y, 0);
-  assertEq(i.z, 0);
-  assertEq(i.w, 0);
-
-  var j = Math.pow(2, 31);
-  var k = -Math.pow(2, 31) - 1;
-  var m = float64x2(j, k);
-  var l = int32x4.fromFloat64x2(m);
-  assertEq(l.x, INT32_MIN);
-  assertEq(l.y, INT32_MAX);
-  assertEq(l.z, 0);
-  assertEq(l.w, 0);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-

deleted file mode 100644
--- a/js/src/tests/ecma_7/SIMD/int32x4fromfloat64x2bits.js
+++ /dev/null
@@ -1,49 +0,0 @@
-// |reftest| skip-if(!this.hasOwnProperty("SIMD"))
-var BUGNUMBER = 1031203;
-var float64x2 = SIMD.float64x2;
-var int32x4 = SIMD.int32x4;
-
-var summary = 'int32x4 fromFloat64x2Bits';
-
-/*
- * Any copyright is dedicated to the Public Domain.
- * https://creativecommons.org/publicdomain/zero/1.0/
- */
-
-function test() {
-  print(BUGNUMBER + ": " + summary);
-
-  var a = float64x2(1.0, 2.0);
-  var c = int32x4.fromFloat64x2Bits(a);
-  assertEq(c.x, 0x00000000);
-  assertEq(c.y, 0x3FF00000);
-  assertEq(c.z, 0x00000000);
-  assertEq(c.w, 0x40000000);
-
-  var d = float64x2(+Infinity, -Infinity);
-  var f = int32x4.fromFloat64x2Bits(d);
-  assertEq(f.x, 0x00000000);
-  assertEq(f.y, 0x7ff00000);
-  assertEq(f.z, 0x00000000);
-  assertEq(f.w, -0x100000);
-
-  var g = float64x2(-0, NaN);
-  var i = int32x4.fromFloat64x2Bits(g);
-  assertEq(i.x, 0x00000000);
-  assertEq(i.y, -0x80000000);
-  assertEq(i.z, 0x00000000);
-  assertEq(i.w, 0x7ff80000);
-
-  var j = float64x2(1.0000006400213732, 2.0000002532866263);
-  var l = int32x4.fromFloat64x2Bits(j);
-  assertEq(l.x, -0x543210ee);
-  assertEq(l.y, 0x3ff00000);
-  assertEq(l.z, 0x21fedcba);
-  assertEq(l.w, 0x40000000);
-
-  if (typeof reportCompare === "function")
-    reportCompare(true, true);
-}
-
-test();
-