RFR: 8237949: CTW: C1 compilation fails with "too many stack slots used"

[Vladimir Ivanov]

Looks good and trivial.

Best regards,
Vladimir Ivanov

On 16.04.2020 16:12, Jamsheed C M wrote:
> Hi all,
> 
> As part of the enhancement requirement from truffle use case [1] 
> OopMapValue was extended by 2 bits,  this change will be automatically 
> handled in c1 here [2].
> 
> There was a day one code[3] that handled this case before [2] covering 
> more cases than Oop cases. But it seems this extension is not really 
> useful for C1 java use case.
> 
> So the earlier bailout is preserved with change in the comments. [4]
> 
> Request for review
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8237949
> 
> webrev: http://cr.openjdk.java.net/~jcm/8237949/webrev.00/
> 
> Best regards,
> 
> Jamsheed
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8231586
> 
> [2] 
> https://github.com/openjdk/jdk/blob/master/src/hotspot/share/c1/c1_LinearScan.hpp#L341 
> 
> 
> [3] 
> https://github.com/openjdk/jdk/blob/master/src/hotspot/share/c1/c1_LinearScan.cpp#L246 
> 
> 
> [4] 
> http://cr.openjdk.java.net/~jcm/8237949/webrev.00/src/hotspot/share/c1/c1_LinearScan.cpp.udiff.html 
> 
>