[builtins] Make Math.max and Math.min fast by default.

src/js/math.js

Index: src/js/math.js
diff --git a/src/js/math.js b/src/js/math.js
index 990a7e993c4f450bdd0879af036820099aa39ec2..8a84fdfd69f7ad32cfeaa0f1fb7a758b567fd09d 100644
--- a/src/js/math.js
+++ b/src/js/math.js
@@ -75,60 +75,6 @@ function MathLog(x) {
   return %_MathLogRT(TO_NUMBER(x));
 }
 
-// ECMA 262 - 15.8.2.11
-function MathMax(arg1, arg2) {  // length == 2
-  var length = %_ArgumentsLength();
-  if (length == 2) {
-    arg1 = TO_NUMBER(arg1);
-    arg2 = TO_NUMBER(arg2);
-    if (arg2 > arg1) return arg2;
-    if (arg1 > arg2) return arg1;
-    if (arg1 == arg2) {
-      // Make sure -0 is considered less than +0.
-      return (arg1 === 0 && %_IsMinusZero(arg1)) ? arg2 : arg1;
-    }
-    // All comparisons failed, one of the arguments must be NaN.
-    return NaN;
-  }
-  var r = -INFINITY;
-  for (var i = 0; i < length; i++) {
-    var n = %_Arguments(i);
-    n = TO_NUMBER(n);
-    // Make sure +0 is considered greater than -0.
-    if (NUMBER_IS_NAN(n) || n > r || (r === 0 && n === 0 && %_IsMinusZero(r))) {
-      r = n;
-    }
-  }
-  return r;
-}
-
-// ECMA 262 - 15.8.2.12
-function MathMin(arg1, arg2) {  // length == 2
-  var length = %_ArgumentsLength();
-  if (length == 2) {
-    arg1 = TO_NUMBER(arg1);
-    arg2 = TO_NUMBER(arg2);
-    if (arg2 > arg1) return arg1;
-    if (arg1 > arg2) return arg2;
-    if (arg1 == arg2) {
-      // Make sure -0 is considered less than +0.
-      return (arg1 === 0 && %_IsMinusZero(arg1)) ? arg1 : arg2;
-    }
-    // All comparisons failed, one of the arguments must be NaN.
-    return NaN;
-  }
-  var r = INFINITY;
-  for (var i = 0; i < length; i++) {
-    var n = %_Arguments(i);
-    n = TO_NUMBER(n);
-    // Make sure -0 is considered less than +0.
-    if (NUMBER_IS_NAN(n) || n < r || (r === 0 && n === 0 && %_IsMinusZero(n))) {
-      r = n;
-    }
-  }
-  return r;
-}
-
 // ECMA 262 - 15.8.2.13
 function MathPowJS(x, y) {
   return %_MathPow(TO_NUMBER(x), TO_NUMBER(y));
@@ -314,8 +260,6 @@ utils.InstallFunctions(GlobalMath, DONT_ENUM, [
   "sqrt", MathSqrtJS,
   "atan2", MathAtan2JS,
   "pow", MathPowJS,
-  "max", MathMax,
-  "min", MathMin,
   "imul", MathImul,
   "sign", MathSign,
   "trunc", MathTrunc,
@@ -349,8 +293,6 @@ utils.Export(function(to) {
   to.MathExp = MathExp;
   to.MathFloor = MathFloorJS;
   to.IntRandom = MathRandomRaw;
-  to.MathMax = MathMax;
-  to.MathMin = MathMin;
 });
 
 })