[Webkit-unassigned] [Bug 145366] FTL is not working on Windows.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145366

--- Comment #13 from Filip Pizlo <fpizlo at apple.com> ---
(In reply to comment #12)
> (In reply to comment #11)
> > 
> > You'll need to verify much more than SunSpider. ;-)
> > 
> > Can you run JSC stress tests?
> > 
> 
> I get the same stress test results with and without this patch:
> 
> ** The following JSC stress test failures have been introduced:
>        
> jsc-layout-tests.yaml/js/script-tests/function-apply-aliased.js.layout-no-
> cjit
>         jsc-layout-tests.yaml/js/script-tests/math.js.layout
>        
> jsc-layout-tests.yaml/js/script-tests/math.js.layout-dfg-eager-no-cjit
>         jsc-layout-tests.yaml/js/script-tests/math.js.layout-no-cjit
>         jsc-layout-tests.yaml/js/script-tests/math.js.layout-no-llint
> 
> Results for JSC stress tests:
>     5 failures found.
> 
> How do I know that FTL kicks in as often as it should?

We have FTL-specific tests that follow this pattern:

function foo() {
    test content here
}

noInline(foo)
for (var i = 0; i < 10000; ++i)
    foo();

The test harness ensures that foo will be FTLed.

> 
> > I don't know what __powidf2 is.
> 
> I'm not sure, but I think __powidf2 is a function in the gcc c runtime lib,
> which llvm is using to implement the powi intrinsic. I tried to replace this
> with pow on Windows.

OK.

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