js/src/jit-test/tests/asm.js/testFastHeapAccess.js@6474c204b198
js/src/jit-test/tests/asm.js/testFastHeapAccess.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 load(libdir + "asm.js");
3 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; u32[((i<<2)+32 & 0xffff)>>2] = j } return f');
4 var f = asmLink(code, this, null, BUF_64KB);
5 for (var i = 0; i < 100; i++)
6 f(i, i);
7 var u32 = new Uint32Array(BUF_64KB);
8 for (var i = 0; i < 100; i++)
9 assertEq(u32[8+i], i);
10 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return u32[((i<<2)+32 & 0xffff)>>2]|0 } return f');
11 var f = asmLink(code, this, null, BUF_64KB);
12 for (var i = 0; i < 100; i++)
13 assertEq(f(i), i);
15 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; u32[(i<<2 & 0xffff)>>2] = j } return f');
16 var f = asmLink(code, this, null, BUF_64KB);
17 for (var i = 0; i < 100; i++)
18 f(i, i);
19 var u32 = new Uint32Array(BUF_64KB);
20 for (var i = 0; i < 100; i++)
21 assertEq(u32[i], i);
22 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return u32[(i<<2 & 0xffff)>>2]|0 } return f');
23 var f = asmLink(code, this, null, BUF_64KB);
24 for (var i = 0; i < 100; i++)
25 assertEq(f(i), i);
27 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; u8[i+20 & 0xffff] = j } return f');
28 var f = asmLink(code, this, null, BUF_64KB);
29 for (var i = 0; i < 100; i++)
30 f(i, i);
31 var u8 = new Uint8Array(BUF_64KB);
32 for (var i = 0; i < 100; i++)
33 assertEq(u8[i+20], i);
34 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i) {i=i|0; return u8[i+20 & 0xffff]|0 } return f');
35 var f = asmLink(code, this, null, BUF_64KB);
36 for (var i = 0; i < 100; i++)
37 assertEq(f(i), i);
39 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j,k) {i=i|0;j=j|0;k=k|0; i32[(i + (j<<2) & 0xffff) >> 2] = k } return f');
40 var f = asmLink(code, this, null, BUF_64KB);
41 for (var i = 0; i < 100; i++)
42 f(32, i, i);
43 var u32 = new Uint32Array(BUF_64KB);
44 for (var i = 0; i < 100; i++)
45 assertEq(u32[8+i], i);
46 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; return i32[(i + (j<<2) & 0xffff) >> 2]|0 } return f');
47 var f = asmLink(code, this, null, BUF_64KB);
48 for (var i = 0; i < 100; i++)
49 assertEq(f(32, i), i);
51 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j,k) {i=i|0;j=j|0;k=k|0; i32[(((i + (j<<2))|0) + 16 & 0xffff) >> 2] = k } return f');
52 var f = asmLink(code, this, null, BUF_64KB);
53 for (var i = 0; i < 100; i++)
54 f(32, i, i);
55 var u32 = new Uint32Array(BUF_64KB);
56 for (var i = 0; i < 100; i++)
57 assertEq(u32[8+i+4], i);
58 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; return i32[(((i + (j<<2))|0) + 16 & 0xffff) >> 2]|0 } return f');
59 var f = asmLink(code, this, null, BUF_64KB);
60 for (var i = 0; i < 100; i++)
61 assertEq(f(32, i), i);
63 var code = asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f(i,j) {i=i|0;j=j|0; return ((i32[(i+(j<<2)&0xffff)>>2]|0) + (i32[(((i+(j<<2))|0)+4&0xffff)>>2]|0))|0 } return f');
64 var f = asmLink(code, this, null, BUF_64KB);
65 var i32 = new Uint32Array(BUF_64KB);
66 i32[11] = 3;
67 i32[12] = 97;
68 assertEq(f(12,8), 100);
