The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/lib/jitopts.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,69 @@
     1.4 +// These predicates are for tests that require a particular set of JIT options.
     1.5 +
     1.6 +// Check if toggles match. Useful for tests that shouldn't be run if a
     1.7 +// different set of JIT toggles are set, since TBPL runs each jit-test
     1.8 +// multiple times with a variety of flags.
     1.9 +function jitTogglesMatch(opts) {
    1.10 +  var currentOpts = getJitCompilerOptions();
    1.11 +  for (var k in opts) {
    1.12 +    if (k.indexOf(".enable") > 0 && opts[k] != currentOpts[k])
    1.13 +      return false;
    1.14 +  }
    1.15 +  return true;
    1.16 +}
    1.17 +
    1.18 +// Run fn under a particular set of JIT options.
    1.19 +function withJitOptions(opts, fn) {
    1.20 +  var oldOpts = getJitCompilerOptions();
    1.21 +  for (var k in opts)
    1.22 +    setJitCompilerOption(k, opts[k]);
    1.23 +  try {
    1.24 +    fn();
    1.25 +  } finally {
    1.26 +    for (var k in oldOpts)
    1.27 +      setJitCompilerOption(k, oldOpts[k]);
    1.28 +  }
    1.29 +}
    1.30 +
    1.31 +// N.B. Ion opts *must come before* baseline opts because there's some kind of
    1.32 +// "undo eager compilation" logic. If we don't set the baseline usecount
    1.33 +// *after* the Ion usecount we end up setting the baseline usecount to be the
    1.34 +// default if we hit the "undo eager compilation" logic.
    1.35 +var Opts_BaselineEager =
    1.36 +    {
    1.37 +      'ion.enable': 1,
    1.38 +      'baseline.enable': 1,
    1.39 +      'baseline.usecount.trigger': 0,
    1.40 +      'parallel-compilation.enable': 1
    1.41 +    };
    1.42 +
    1.43 +// Checking for parallel compilation being off is often helpful if the test
    1.44 +// requires a function be Ion compiled. Each individual test will usually
    1.45 +// finish before the Ion compilation thread has a chance to attach the
    1.46 +// compiled code.
    1.47 +var Opts_IonEagerNoParallelCompilation =
    1.48 +    {
    1.49 +      'ion.enable': 1,
    1.50 +      'ion.usecount.trigger': 0,
    1.51 +      'baseline.enable': 1,
    1.52 +      'baseline.usecount.trigger': 0,
    1.53 +      'parallel-compilation.enable': 0,
    1.54 +    };
    1.55 +
    1.56 +var Opts_Ion2NoParallelCompilation =
    1.57 +    {
    1.58 +      'ion.enable': 1,
    1.59 +      'ion.usecount.trigger': 2,
    1.60 +      'baseline.enable': 1,
    1.61 +      'baseline.usecount.trigger': 1,
    1.62 +      'parallel-compilation.enable': 0
    1.63 +    };
    1.64 +
    1.65 +var Opts_NoJits =
    1.66 +    {
    1.67 +      'ion.enable': 0,
    1.68 +      'ion.usecount.trigger': 0,
    1.69 +      'baseline.usecount.trigger': 0,
    1.70 +      'baseline.enable': 0,
    1.71 +      'parallel-compilation.enable': 0
    1.72 +    };