Fix incorrect assumption on bit-and on ARM

test/mjsunit/bitops-info.js

Index: test/mjsunit/bitops-info.js
===================================================================
--- test/mjsunit/bitops-info.js	(revision 7178)
+++ test/mjsunit/bitops-info.js	(working copy)
@@ -37,8 +37,12 @@
   return 1600822924;  // It's a signed Int32.
 }
 
+function hidden_negative_smi() {
+  var w = -0x20123456;  // A negative smi.

[Vyacheslav Egorov (Chromium), 2011/03/15 21:53:15]

return

+}
 
 function f() {
+  var w = hidden_negative_smi();  // Not a constant.

[Vyacheslav Egorov (Chromium), 2011/03/15 21:53:15]

you probably wanted to use it somewhere, but did not.

as it fails without w you can probably remove it.

   var x = non_int32();  // Not a constant.
   var y = hidden_smi();  // Not a constant.
   var z = hidden_int32();
@@ -66,7 +70,15 @@
   assertEquals(46512102 & 2600822924, x & y, "10rev");
   assertEquals(1600822924 & 2600822924, x & z, "11rev");
 
+  assertEquals((46512102 & -0x20123456) | 1, (y & -0x20123456) | 1, "12");
+  assertEquals((1600822924 & -0x20123456) | 1, (z & -0x20123456) | 1, "13");
+  assertEquals((2600822924 & -0x20123456) | 1, (x & -0x20123456) | 1, "14");
+  assertEquals((46512102 & -0x20123456) | 1, (-0x20123456 & y) | 1, "12rev");
+  assertEquals((1600822924 & -0x20123456) | 1, (-0x20123456 & z) | 1, "13rev");
+  assertEquals((2600822924 & -0x20123456) | 1, (-0x20123456 & x) | 1, "14rev");
+
   assertEquals(2600822924 & 2600822924, x & x, "xx");
+  assertEquals(2600822924 & 2600822924, x & x, "xx");
   assertEquals(y, y & y, "yy");
   assertEquals(z, z & z, "zz");
 }