[intrinsics] Drop the now obsolete %_DoubleHi and %_DoubleLo intrinsics.

test/mjsunit/double-intrinsics.js

Index: test/mjsunit/double-intrinsics.js
diff --git a/test/mjsunit/double-intrinsics.js b/test/mjsunit/double-intrinsics.js
deleted file mode 100644
index b50038e1e68c2249fd274b36e6e5cd8fff396c02..0000000000000000000000000000000000000000
--- a/test/mjsunit/double-intrinsics.js
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --allow-natives-syntax
-
-function assertDoubleBits(hi, lo, x) {
-  hi = hi | 0;
-  lo = lo | 0;
-  assertEquals(x, %ConstructDouble(hi, lo));
-  assertEquals(hi, %_DoubleHi(x));
-  assertEquals(lo, %_DoubleLo(x));
-  assertEquals(x, %ConstructDouble(%_DoubleHi(x), %_DoubleLo(x)));
-}
-
-
-var tests = [0x7ff00000, 0x00000000, Infinity,
-             0xfff00000, 0x00000000, -Infinity,
-             0x80000000, 0x00000000, -0,
-             0x400921fb, 0x54442d18, Math.PI,
-             0xc00921fb, 0x54442d18, -Math.PI,
-             0x4005bf0a, 0x8b145769, Math.E,
-             0xc005bf0a, 0x8b145769, -Math.E,
-             0xbfe80000, 0x00000000, -0.75];
-
-
-for (var i = 0; i < tests.length; i += 3) {
-  assertDoubleBits(tests[i], tests[i + 1], tests[i + 2]);
-}
-
-%OptimizeFunctionOnNextCall(assertDoubleBits);
-
-for (var i = 0; i < tests.length; i += 3) {
-  assertDoubleBits(tests[i], tests[i + 1], tests[i + 2]);
-  assertOptimized(assertDoubleBits);
-}