bug2032943.js - mozsearch

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// |jit-test| --fast-warmup

const code = `

(module

  (memory 2 10 shared)

  (export "mem" (memory 0))

  (func (export "cas") (param i32 i32 i32) (result i32)

    local.get 0  local.get 1  local.get 2

    i32.atomic.rmw.cmpxchg offset=8192)

  (func (export "add") (param i32 i32) (result i32)

    local.get 0  local.get 1

    i32.atomic.rmw.add offset=8192)

  (func (export "store") (param i32 i32)

    local.get 0  local.get 1

    i32.atomic.store offset=8192)

  (func (export "load") (param i32) (result i32)

    local.get 0

    i32.atomic.load offset=8192)

  (func (export "xchg") (param i32 i32) (result i32)

    local.get 0  local.get 1

    i32.atomic.rmw.xchg offset=8192)

)`;

const mod = new WebAssembly.Module(wasmTextToBinary(code));

const inst = new WebAssembly.Instance(mod);

inst.exports.store(0, 0);

const loaded = inst.exports.load(0);

assertEq(loaded, 0);

const add_old = inst.exports.add(0, 1);

assertEq(add_old, 0);

const cas_old = inst.exports.cas(0, 1, 2);

assertEq(cas_old, 1);

const xchg_old = inst.exports.xchg(0, 0);

assertEq(xchg_old, 2);