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1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Flags: --harmony-sharedarraybuffer
6
7function Module(stdlib, foreign, heap, offset) {
8  "use asm";
9  var MEM8 = new stdlib.Int8Array(heap, offset);
10  var MEM16 = new stdlib.Int16Array(heap, offset);
11  var MEM32 = new stdlib.Int32Array(heap, offset);
12  var MEMU8 = new stdlib.Uint8Array(heap, offset);
13  var MEMU16 = new stdlib.Uint16Array(heap, offset);
14  var MEMU32 = new stdlib.Uint32Array(heap, offset);
15  var and = stdlib.Atomics.and;
16  var fround = stdlib.Math.fround;
17
18  function andi8(i, x) {
19    i = i | 0;
20    x = x | 0;
21    return and(MEM8, i, x)|0;
22  }
23
24  function andi16(i, x) {
25    i = i | 0;
26    x = x | 0;
27    return and(MEM16, i, x)|0;
28  }
29
30  function andi32(i, x) {
31    i = i | 0;
32    x = x | 0;
33    return and(MEM32, i, x)|0;
34  }
35
36  function andu8(i, x) {
37    i = i | 0;
38    x = x >>> 0;
39    return and(MEMU8, i, x)>>>0;
40  }
41
42  function andu16(i, x) {
43    i = i | 0;
44    x = x >>> 0;
45    return and(MEMU16, i, x)>>>0;
46  }
47
48  function andu32(i, x) {
49    i = i | 0;
50    x = x >>> 0;
51    return and(MEMU32, i, x)>>>0;
52  }
53
54  return {
55    andi8: andi8,
56    andi16: andi16,
57    andi32: andi32,
58    andu8: andu8,
59    andu16: andu16,
60    andu32: andu32,
61  };
62}
63
64function clearArray() {
65  var ui8 = new Uint8Array(sab);
66  for (var i = 0; i < sab.byteLength; ++i) {
67    ui8[i] = 0;
68  }
69}
70
71function testElementType(taConstr, f, offset) {
72  clearArray();
73
74  var ta = new taConstr(sab, offset);
75  var name = Object.prototype.toString.call(ta);
76  ta[0] = 0x7f;
77  assertEquals(0x7f, f(0, 0xf), name);
78  assertEquals(0xf, ta[0]);
79  assertEquals(0xf, f(0, 0x19), name);
80  assertEquals(0x9, ta[0]);
81  // out of bounds
82  assertThrows(function() { f(-1, 0); });
83  assertThrows(function() { f(ta.length, 0); });
84}
85
86function testElement(m, offset) {
87  testElementType(Int8Array, m.andi8, offset);
88  testElementType(Int16Array, m.andi16, offset);
89  testElementType(Int32Array, m.andi32, offset);
90  testElementType(Uint8Array, m.andu8, offset);
91  testElementType(Uint16Array, m.andu16, offset);
92  testElementType(Uint32Array, m.andu32, offset);
93}
94
95var offset = 0;
96var sab = new SharedArrayBuffer(16);
97var m1 = Module(this, {}, sab, offset);
98testElement(m1, offset);
99
100offset = 32;
101sab = new SharedArrayBuffer(64);
102var m2 = Module(this, {}, sab, offset);
103testElement(m2, offset);
104