Intrinsify Mint/Smi combined comparisons by extending a Smi to a 64 bit integer and doing a 64-bit …

tests/language/mint_compares.dart

Index: tests/language/mint_compares.dart
===================================================================
--- tests/language/mint_compares.dart	(revision 0)
+++ tests/language/mint_compares.dart	(revision 0)
@@ -0,0 +1,60 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Test compares on 64-bit integers.
+
+
+compareTest() {
+  Expect.isFalse(4294967296 < 6);
+  Expect.isFalse(4294967296 < 4294967296);
+  Expect.isFalse(4294967296 <= 6);
+  Expect.isTrue(4294967296 <= 4294967296);
+  Expect.isFalse(4294967296 < 4294967295);
+
+  Expect.isTrue(-4294967296 < 6);
+  Expect.isTrue(-4294967296 < 4294967296);
+  Expect.isTrue(-4294967296 <= 6);
+  Expect.isTrue(-4294967296 <= 4294967296);
+  Expect.isTrue(-4294967296 < 4294967295);
+
+  Expect.isFalse(4294967296 < -6);
+  Expect.isFalse(4294967296 <= -6);
+  Expect.isFalse(4294967296 < -4294967295);
+
+  Expect.isTrue(-4294967296 < -6);
+  Expect.isTrue(-4294967296 <= -6);
+  Expect.isTrue(-4294967296 < -4294967295);
+
+  Expect.isTrue(4294967296 > 6);
+  Expect.isFalse(4294967296 > 4294967296);
+  Expect.isTrue(4294967296 >= 6);
+  Expect.isTrue(4294967296 >= 4294967296);
+  Expect.isTrue(4294967296 > 4294967295);
+
+  Expect.isFalse(-4294967296 > 6);
+  Expect.isFalse(-4294967296 > 4294967296);
+  Expect.isFalse(-4294967296 >= 6);
+  Expect.isFalse(-4294967296 >= 4294967296);
+  Expect.isFalse(-4294967296 > 4294967295);
+
+  Expect.isTrue(4294967296 > -6);
+  Expect.isTrue(4294967296 >= -6);
+  Expect.isTrue(4294967296 > -4294967295);
+
+  Expect.isFalse(-4294967296 > -6);
+  Expect.isFalse(-4294967296 >= -6);
+  Expect.isFalse(-4294967296 > -4294967295);
+
+  Expect.isTrue(4294967296 < 184467440737095516150);
+  Expect.isTrue(-4294967296 < 184467440737095516150);
+  Expect.isFalse(4294967296 < -184467440737095516150);
+  Expect.isFalse(-4294967296 < -184467440737095516150);
+}
+
+
+main() {
+  for (var i = 0; i < 100; i++) {
+    compareTest();
+  }
+}