summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/ion/rinstructions-no-sse4.js
blob: 3fc764d7e2fa8124b33ebdb4f32cab41f4181625 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// |jit-test| --no-sse4;

// This test is a fork of dce-with-rinstructions.js. It tests recover
// instructions which are only executed on pre-SSE4 processors.

setJitCompilerOption("baseline.warmup.trigger", 10);
setJitCompilerOption("ion.warmup.trigger", 20);

// Prevent the GC from cancelling Ion compilations, when we expect them to succeed
gczeal(0);

const max = 200;

// Check that we are able to remove the operation inside recover test
// functions (denoted by "rop..."), when we inline the first version
// of uceFault, and ensure that the bailout is correct when uceFault
// is replaced (which cause an invalidation bailout)
let uceFault = function (i) {
    if (i > 98)
        uceFault = function (i) { return true; };
    return false;
};

let uceFault_ceil_double = eval(
    `(${uceFault})`
        .replace('uceFault', 'uceFault_ceil_double')
);
function rceil_double(i) {
    const x = Math.ceil(i + (-1 >>> 0));
    if (uceFault_ceil_double(i) || uceFault_ceil_double(i))
        assertEq(x, 99 + (-1 >>> 0)); /* = i + 2 ^ 32 - 1 */
    assertRecoveredOnBailout(x, true);
    return i;
}

let uceFault_floor_double = eval(
    `(${uceFault})`
        .replace('uceFault', 'uceFault_floor_double')
);
function rfloor_double(i) {
    const x = Math.floor(i + (-1 >>> 0));
    if (uceFault_floor_double(i) || uceFault_floor_double(i))
        assertEq(x, 99 + (-1 >>> 0)); /* = i + 2 ^ 32 - 1 */
    assertRecoveredOnBailout(x, true);
    return i;
}

for (let j = 100 - max; j < 100; j++) {
    with({}){} // Do not Ion-compile this loop.
    const i = j < 2 ? (Math.abs(j) % 50) + 2 : j;
    rceil_double(i);
    rfloor_double(i);
}