Expose SIMD.Float32x4 type to Javascript.

src/runtime.js

Index: src/runtime.js
diff --git a/src/runtime.js b/src/runtime.js
index e5ac2210528c7ef46d58f05de1cb0b41468498c2..dd776dbc8c354722c692c3580914398e5de26d30 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -103,7 +103,7 @@ EQUALS = function EQUALS(y) {
       while (true) {
         if (IS_NUMBER(y)) return %NumberEquals(x, y);
         if (IS_NULL_OR_UNDEFINED(y)) return 1;  // not equal
-        if (IS_SYMBOL(y)) return 1;  // not equal
+        if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1;  // not equal
         if (!IS_SPEC_OBJECT(y)) {
           // String or boolean.
           return %NumberEquals(x, %$toNumber(y));
@@ -113,7 +113,7 @@ EQUALS = function EQUALS(y) {
     } else if (IS_STRING(x)) {
       while (true) {
         if (IS_STRING(y)) return %StringEquals(x, y);
-        if (IS_SYMBOL(y)) return 1;  // not equal
+        if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1;  // not equal
         if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y);
         if (IS_BOOLEAN(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y));
         if (IS_NULL_OR_UNDEFINED(y)) return 1;  // not equal
@@ -127,19 +127,23 @@ EQUALS = function EQUALS(y) {
       if (IS_NULL_OR_UNDEFINED(y)) return 1;
       if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y);
       if (IS_STRING(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y));
-      if (IS_SYMBOL(y)) return 1;  // not equal
+      if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1;  // not equal
       // y is object.
       x = %$toNumber(x);
       y = %$toPrimitive(y, NO_HINT);
     } else if (IS_NULL_OR_UNDEFINED(x)) {
       return IS_NULL_OR_UNDEFINED(y) ? 0 : 1;
+    } else if (IS_FLOAT32X4(x)) {
+      if (IS_FLOAT32X4(y))
+        return %Float32x4Equals(x, y);
+      return 1;  // not equal
     } else {
       // x is an object.
       if (IS_SPEC_OBJECT(y)) {
         return %_ObjectEquals(x, y) ? 0 : 1;
       }
       if (IS_NULL_OR_UNDEFINED(y)) return 1;  // not equal
-      if (IS_SYMBOL(y)) return 1;  // not equal
+      if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1;  // not equal
       if (IS_BOOLEAN(y)) y = %$toNumber(y);
       x = %$toPrimitive(x, NO_HINT);
     }
@@ -158,6 +162,9 @@ STRICT_EQUALS = function STRICT_EQUALS(x) {
     return %NumberEquals(this, x);
   }
 
+  if (IS_FLOAT32X4(this) && IS_FLOAT32X4(x))
+    return %Float32x4Equals(this, x);
+
   // If anything else gets here, we just do simple identity check.
   // Objects (including functions), null, undefined and booleans were
   // checked in the CompareStub, so there should be nothing left.
@@ -760,6 +767,7 @@ function ToPrimitive(x, hint) {
   // Normal behavior.
   if (!IS_SPEC_OBJECT(x)) return x;
   if (IS_SYMBOL_WRAPPER(x)) throw MakeTypeError(kSymbolToPrimitive);
+  if (IS_FLOAT32X4(x)) return x;
   if (hint == NO_HINT) hint = (IS_DATE(x)) ? STRING_HINT : NUMBER_HINT;
   return (hint == NUMBER_HINT) ? DefaultNumber(x) : DefaultString(x);
 }
@@ -785,6 +793,7 @@ function ToNumber(x) {
   if (IS_BOOLEAN(x)) return x ? 1 : 0;
   if (IS_UNDEFINED(x)) return NAN;
   if (IS_SYMBOL(x)) throw MakeTypeError(kSymbolToNumber);
+  if (IS_FLOAT32X4(x)) throw MakeTypeError(kSimdToNumber);
   return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x));
 }
 
@@ -796,6 +805,7 @@ function NonNumberToNumber(x) {
   if (IS_BOOLEAN(x)) return x ? 1 : 0;
   if (IS_UNDEFINED(x)) return NAN;
   if (IS_SYMBOL(x)) throw MakeTypeError(kSymbolToNumber);
+  if (IS_FLOAT32X4(x)) throw MakeTypeError(kSimdToNumber);
   return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x));
 }
 
@@ -831,6 +841,7 @@ function ToObject(x) {
   if (IS_NUMBER(x)) return new GlobalNumber(x);
   if (IS_BOOLEAN(x)) return new GlobalBoolean(x);
   if (IS_SYMBOL(x)) return %NewSymbolWrapper(x);
+  if (IS_FLOAT32X4(x)) return %NewFloat32x4Wrapper(x);
   if (IS_NULL_OR_UNDEFINED(x) && !IS_UNDETECTABLE(x)) {
     throw MakeTypeError(kUndefinedOrNullToObject);
   }
@@ -878,6 +889,9 @@ function SameValue(x, y) {
       return false;
     }
   }
+  if (IS_FLOAT32X4(x)) {
+    return %Float32x4SameValue(x, y);
+  }
   return x === y;
 }
 
@@ -888,9 +902,13 @@ function SameValueZero(x, y) {
   if (IS_NUMBER(x)) {
     if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true;
   }
+  if (IS_FLOAT32X4(x)) {
+    return %Float32x4SameValueZero(x, y);
+  }
   return x === y;
 }
 
+
 function ConcatIterableToArray(target, iterable) {
    var index = target.length;
    for (var element of iterable) {
@@ -926,7 +944,7 @@ function IsConcatSpreadable(O) {
 
 // ECMA-262, section 8.6.2.6, page 28.
 function DefaultNumber(x) {
-  if (!IS_SYMBOL_WRAPPER(x)) {
+  if (!IS_SYMBOL_WRAPPER(x) && !IS_FLOAT32X4_WRAPPER(x)) {
     var valueOf = x.valueOf;
     if (IS_SPEC_FUNCTION(valueOf)) {
       var v = %_CallFunction(x, valueOf);