RFR(S) 8193009: compiler/c2/Test7029152.java crashes with SIGILL in java.lang.StringLatin1.indexOf with -XX:+UseJVMCICompiler

[Vladimir Kozlov]

On 12/6/17 5:56 PM, dean.long at oracle.com wrote:
> On 12/6/17 5:39 PM, Vladimir Kozlov wrote:
> 
>> Should we put new check code under #ifdef INCLUDE_JVMCI and if (UseJVMCICompiler)? Stubs code 
>> generation happens after flags parsing.
>>
> 
> We could, but I don't think it's worth it.  I would rather allow C1 and C2 to emit the same range of 
> encodings as Graal.  I think it would help avoid spills.

Okay, it make sense. Please, file follow up RFE for C1 and C2.

Thanks,
Vladimir

> 
> dl
> 
>> Thanks,
>> Vladimir
>>
>> On 12/5/17 2:12 PM, dean.long at oracle.com wrote:
>>> https://bugs.openjdk.java.net/browse/JDK-8193009
>>> http://cr.openjdk.java.net/~dlong/8193009/webrev/
>>>
>>> I tested all 16 base register combinations to make sure we handle anything Graal might generate.
>>>
>>> dl
>