rinstructions-no-sse4.js

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// |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);