v8/test/mjsunit/compiler/regress-439743.js
Benedikt Meurer 19418d76df [x64] Fix optimization for certain checked load/stores.
BUG=chromium:439743
LOG=y
TEST=mjsunit
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/733893008

Cr-Commit-Position: refs/heads/master@{#25731}
2014-12-10 07:49:12 +00:00

18 lines
479 B
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";
var MEM32 = new stdlib.Int32Array(heap);
function foo(i) {
i = i|0;
MEM32[0] = i;
return MEM32[i + 4 >> 2]|0;
}
return { foo: foo };
}
var foo = module(this, {}, new ArrayBuffer(64*1024)).foo;
assertEquals(-4, foo(-4));