Request for review(S): 7000349: Tiered reacts incorrectly to C1 compilation failures

[Vladimir Kozlov]

Looks good.

Vladimir

On 11/15/10 8:12 PM, Igor Veresov wrote:
> Tiered has the following problems with C1 compile failures:
>
> 1. Compile broker marks method as non-compilable at all levels if C1 compilation fails because C1 doesn't fill the
> failure_reason in ciEnv.
> 2. If a method cannot be compiled at any of the C1 levels the tiered policy tries to immediately compile it with C2
> instead of continuing profiling in the interpreter.
> 3. If C2 fails to compile the broker will make the method not compilable for C1 also, which is wrong.
>
> Also, C1 needs to report the failure reason.
>
> Webrev: http://cr.openjdk.java.net/~iveresov/7000349/webrev.00
>
> Thanks,
> igor