v8/test/mjsunit/asm/uint32-less-than-shift.js
titzer@chromium.org bd5c9834b6 Fix bug in optimization of Uint32LessThan.
R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/689883003

Cr-Commit-Position: refs/heads/master@{#25023}
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25023 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-30 15:52:47 +00:00

62 lines
1.2 KiB
JavaScript

// 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.
function Module(stdlib, foreign, heap) {
'use asm';
function foo1(i1) {
i1 = i1 | 0;
var i10 = i1 >> 5;
if (i10 >>> 0 < 5) {
return 1;
} else {
return 0;
}
return 0;
}
function foo2(i1) {
i1 = i1 | 0;
var i10 = i1 / 32 | 0;
if (i10 >>> 0 < 5) {
return 1;
} else {
return 0;
}
return 0;
}
function foo3(i1) {
i1 = i1 | 0;
var i10 = (i1 + 32 | 0) / 32 | 0;
if (i10 >>> 0 < 5) {
return 1;
} else {
return 0;
}
return 0;
}
return {foo1: foo1, foo2: foo2, foo3: foo3};
}
var m = Module(this, {}, undefined);
for (var i = 0; i < 4 * 32; i++) {
assertEquals(1, m.foo1(i));
assertEquals(1, m.foo2(i));
assertEquals(1, m.foo3(i));
}
for (var i = 4 * 32; i < 5 * 32; i++) {
assertEquals(1, m.foo1(i));
assertEquals(1, m.foo2(i));
assertEquals(0, m.foo3(i));
}
for (var i = 5 * 32; i < 10 * 32; i++) {
assertEquals(0, m.foo1(i));
assertEquals(0, m.foo2(i));
assertEquals(0, m.foo3(i));
}