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Services.prefs.setBoolPref("javascript.options.wasm_tail_calls", true);
registerCleanupFunction(() => {
Services.prefs.clearUserPref("javascript.options.wasm_tail_calls");
});
// The tests runs code in tight loop with the profiler enabled. It is testing
// behavoir of MacroAssembler::wasmCollapseFrameXXXX methods.
// It is not guarantee 100% hit since the profiler probes stacks every 1ms,
// but it will happen often enough.
add_task(async () => {
await Services.profiler.StartProfiler(10, 1, ["js"], ["GeckoMain"]);
Assert.ok(Services.profiler.IsActive());
/* Wasm module that is tested:
(module
(func $f (param i64 i64 i64 i64 i64 i64 i64 i64 i64)
local.get 0
i64.eqz
br_if 0
local.get 0
return_call $g
)
(func $g (param i64)
local.get 0
i64.const 1
i64.sub
i64.const 2
i64.const 6
i64.const 3
i64.const 4
i64.const 1
i64.const 2
i64.const 6
i64.const 3
return_call $f
)
(func (export "run")
i64.const 0x100000
call $g
)
)
*/
const b = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x14, 0x03, 0x60,
0x09, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x00, 0x60,
0x01, 0x7e, 0x00, 0x60, 0x00, 0x00, 0x03, 0x04, 0x03, 0x00, 0x01, 0x02,
0x07, 0x07, 0x01, 0x03, 0x72, 0x75, 0x6e, 0x00, 0x02, 0x0a, 0x31, 0x03,
0x0b, 0x00, 0x20, 0x00, 0x50, 0x0d, 0x00, 0x20, 0x00, 0x12, 0x01, 0x0b,
0x19, 0x00, 0x20, 0x00, 0x42, 0x01, 0x7d, 0x42, 0x02, 0x42, 0x06, 0x42,
0x03, 0x42, 0x04, 0x42, 0x01, 0x42, 0x02, 0x42, 0x06, 0x42, 0x03, 0x12,
0x00, 0x0b, 0x09, 0x00, 0x42, 0x80, 0x80, 0xc0, 0x00, 0x10, 0x01, 0x0b
]);
const ins = new WebAssembly.Instance(new WebAssembly.Module(b));
for (var i = 0; i < 100; i++) {
ins.exports.run();
}
Assert.ok(true, "Done");
await Services.profiler.StopProfiler();
});
add_task(async () => {
await Services.profiler.StartProfiler(10, 1, ["js"], ["GeckoMain"]);
Assert.ok(Services.profiler.IsActive());
/* Wasm modules that are tested:
(module (func (export "t")))
(module
(import "" "t" (func $g))
(table $t 1 1 funcref)
(func $f (return_call_indirect $t (i32.const 0)))
(func (export "run") (param i64)
loop
local.get 0
i64.eqz
br_if 1
call $f
local.get 0
i64.const 1
i64.sub
local.set 0
br 0
end
)
(elem (i32.const 0) $g)
)
*/
const b0 = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60,
0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x07, 0x05, 0x01, 0x01, 0x74, 0x00,
0x00, 0x0a, 0x04, 0x01, 0x02, 0x00, 0x0b
]);
const ins0 = new WebAssembly.Instance(new WebAssembly.Module(b0));
const b = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x08, 0x02, 0x60,
0x00, 0x00, 0x60, 0x01, 0x7e, 0x00, 0x02, 0x06, 0x01, 0x00, 0x01, 0x74,
0x00, 0x00, 0x03, 0x03, 0x02, 0x00, 0x01, 0x04, 0x05, 0x01, 0x70, 0x01,
0x01, 0x01, 0x07, 0x07, 0x01, 0x03, 0x72, 0x75, 0x6e, 0x00, 0x02, 0x09,
0x07, 0x01, 0x00, 0x41, 0x00, 0x0b, 0x01, 0x00, 0x0a, 0x1f, 0x02, 0x07,
0x00, 0x41, 0x00, 0x13, 0x00, 0x00, 0x0b, 0x15, 0x00, 0x03, 0x40, 0x20,
0x00, 0x50, 0x0d, 0x01, 0x10, 0x01, 0x20, 0x00, 0x42, 0x01, 0x7d, 0x21,
0x00, 0x0c, 0x00, 0x0b, 0x0b
]);
const ins = new WebAssembly.Instance(new WebAssembly.Module(b), {"": {t: ins0.exports.t,},});
for (var i = 0; i < 100; i++) {
ins.exports.run(0x100000n);
}
Assert.ok(true, "Done");
await Services.profiler.StopProfiler();
});
/**
* All the tests are implemented with add_task, this starts them automatically.
*/
function run_test() {
do_get_profile();
run_next_test();
}
|
