Revision: 5794
Author: [email protected]
Date: Tue Nov  9 12:06:08 2010
Log: Merge r5793 into 2.3 branch.

Review URL: http://codereview.chromium.org/4699003
http://code.google.com/p/v8/source/detail?r=5794

Added:
 /branches/2.3/test/mjsunit/regress/regress-927.js
Modified:
 /branches/2.3/src/ia32/codegen-ia32.cc
 /branches/2.3/src/version.cc

=======================================
--- /dev/null
+++ /branches/2.3/test/mjsunit/regress/regress-927.js Tue Nov 9 12:06:08 2010
@@ -0,0 +1,33 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function a1() {
+    var a2 = -1756315459;
+    return ((((a2 & a2) ^ 1) * a2) << -10);
+}
+
+assertEquals(a1(), -2147483648);
=======================================
--- /branches/2.3/src/ia32/codegen-ia32.cc      Wed Aug 25 08:26:24 2010
+++ /branches/2.3/src/ia32/codegen-ia32.cc      Tue Nov  9 12:06:08 2010
@@ -8573,9 +8573,11 @@
       }
       right.Unuse();
       frame_->Push(&left);
-      if (!node->to_int32()) {
-        // If ToInt32 is called on the result of ADD, SUB, or MUL, we don't
+      if (!node->to_int32() || op == Token::MUL) {
+        // If ToInt32 is called on the result of ADD, SUB, we don't
         // care about overflows.
+        // Result of MUL can be non-representable precisely in double so
+        // we have to check for overflow.
         unsafe_bailout_->Branch(overflow);
       }
       break;
=======================================
--- /branches/2.3/src/version.cc        Mon Nov  8 05:17:13 2010
+++ /branches/2.3/src/version.cc        Tue Nov  9 12:06:08 2010
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     3
 #define BUILD_NUMBER      11
-#define PATCH_LEVEL       23
+#define PATCH_LEVEL       24
 #define CANDIDATE_VERSION false

 // Define SONAME to have the SCons build the put a specific SONAME into the

--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev

Reply via email to