Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(380)

Unified Diff: test/mjsunit/math-floor-of-div-minus-zero.js

Issue 10382033: x86/x64 port of Math.floor(x/y) to use integer division for specific divisor (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/x64/lithium-x64.cc ('k') | test/mjsunit/mjsunit.status » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/mjsunit/math-floor-of-div-minus-zero.js
===================================================================
--- test/mjsunit/math-floor-of-div-minus-zero.js (revision 0)
+++ test/mjsunit/math-floor-of-div-minus-zero.js (revision 0)
@@ -0,0 +1,40 @@
+// Copyright 2012 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.
+
+// Flags: --allow-natives-syntax --nouse_inlining
+
+// Test for negative zero that doesn't need bail out
+
+function test_div_no_deopt_minus_zero() {
+ var zero_in_array = [0];
+ assertTrue(0 === (Math.floor((zero_in_array[0] | 0) / -1) | 0));
+}
+
+test_div_no_deopt_minus_zero();
+%OptimizeFunctionOnNextCall(test_div_no_deopt_minus_zero);
+test_div_no_deopt_minus_zero();
+assertTrue(2 != %GetOptimizationStatus(test_div_no_deopt_minus_zero));
« no previous file with comments | « src/x64/lithium-x64.cc ('k') | test/mjsunit/mjsunit.status » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698