diff options
| -rwxr-xr-x | scripts/fuzz_opt.py | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py index 00031e3b7..509c25e3e 100755 --- a/scripts/fuzz_opt.py +++ b/scripts/fuzz_opt.py @@ -374,12 +374,25 @@ def run_bynterp(wasm, args): del os.environ['BINARYEN_MAX_INTERPRETER_DEPTH'] -def run_d8_js(js, args=[]): - return run_vm([shared.V8] + shared.V8_OPTS + [js] + (['--'] if args else []) + args) +V8_LIFTOFF_ARGS = ['--liftoff', '--no-wasm-tier-up'] -def run_d8_wasm(wasm): - return run_d8_js(in_binaryen('scripts', 'fuzz_shell.js'), [wasm]) +# default to running with liftoff enabled, because we need to pick either +# liftoff or turbofan for consistency (otherwise running the same command twice +# may have different results due to NaN nondeterminism), and liftoff is faster +# for small things +def run_d8_js(js, args=[], liftoff=True): + cmd = [shared.V8] + shared.V8_OPTS + if liftoff: + cmd += V8_LIFTOFF_ARGS + cmd += [js] + if args: + cmd += ['--'] + args + return run_vm(cmd) + + +def run_d8_wasm(wasm, liftoff=True): + return run_d8_js(in_binaryen('scripts', 'fuzz_shell.js'), [wasm], liftoff=liftoff) class TestCaseHandler: @@ -463,7 +476,7 @@ class CompareVMs(TestCaseHandler): name = 'd8_liftoff' def run(self, wasm): - return super(D8Liftoff, self).run(wasm, extra_d8_flags=['--liftoff', '--no-wasm-tier-up']) + return super(D8Liftoff, self).run(wasm, extra_d8_flags=V8_LIFTOFF_ARGS) class D8TurboFan(D8): name = 'd8_turbofan' |