v8/test/mjsunit/asm/int32array-constant-key.js
bmeurer@chromium.org d029d76120 [turbofan] Skip bounds checks for positive indices only.
TEST=unittests,mjsunit/asm/int32array-constant-key
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/647773004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24716 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-10-20 06:25:41 +00:00

63 lines
1.7 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";
var MEM32 = new stdlib.Int32Array(heap);
function loadm4194304() {
return MEM32[-4194304];
}
function loadm0() {
return MEM32[-0];
}
function load0() {
return MEM32[0];
}
function load4() {
return MEM32[4];
}
function storem4194304(v) {
MEM32[-4194304] = v;
}
function storem0(v) {
MEM32[-0] = v;
}
function store0(v) {
MEM32[0] = v;
}
function store4(v) {
MEM32[4] = v;
}
return { loadm4194304: loadm4194304, storem4194304: storem4194304,
loadm0: loadm0, storem0: storem0, load0: load0, store0: store0,
load4: load4, store4: store4 };
}
var m = Module(this, {}, new ArrayBuffer(4));
assertEquals(undefined, m.loadm4194304());
assertEquals(0, m.loadm0());
assertEquals(0, m.load0());
assertEquals(undefined, m.load4());
m.storem4194304(123456789);
assertEquals(undefined, m.loadm4194304());
assertEquals(0, m.loadm0());
assertEquals(0, m.load0());
assertEquals(undefined, m.load4());
m.storem0(987654321);
assertEquals(undefined, m.loadm4194304());
assertEquals(987654321, m.loadm0());
assertEquals(987654321, m.load0());
assertEquals(undefined, m.load4());
m.store0(0x12345678);
assertEquals(undefined, m.loadm4194304());
assertEquals(0x12345678, m.loadm0());
assertEquals(0x12345678, m.load0());
assertEquals(undefined, m.load4());
m.store4(43);
assertEquals(undefined, m.loadm4194304());
assertEquals(0x12345678, m.loadm0());
assertEquals(0x12345678, m.load0());
assertEquals(undefined, m.load4());