Request for reviews (S): 6810845: Performance regression in mpegaudio on x64
Vladimir Kozlov
Vladimir.Kozlov at Sun.COM
Wed Mar 25 21:40:50 PDT 2009
Thanks, Christian
Yes, the code will be worse, that is all.
The assert is only for catching such situations.
Thanks,
Vladimir
Christian Thalinger wrote:
> On Tue, 2009-03-24 at 13:32 -0700, Vladimir Kozlov wrote:
>> http://cr.openjdk.java.net/~kvn/6810845/webrev.00
>>
>> Fixed 6810845: Performance regression in mpegaudio on x64
>
> I looked at the webrev and it looks good, at least to me, but I don't
> know very much about GCM or the other code you touched. Only one thing
> jumped into my eye:
>
> // be conservative if we do not recognize the type
> if (tp == NULL) {
> + assert(false, "should not be here");
> return TypePtr::BOTTOM;
> }
>
> But I guess not having the assert in a product build just means that it
> may produce worse code.
>
> -- Christian
>
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