[10] RFR(XS) 8185802: Enable AVX3 by default

[Vladimir Kozlov]

Thanks you, Tobias

Vladimir

On 8/3/17 10:35 PM, Tobias Hartmann wrote:
> Hi Vladimir,
> 
> looks good to me.
> 
> Best regards,
> Tobias
> 
> On 8/3/2017 7:32 PM, Vladimir Kozlov wrote:
>> https://bugs.openjdk.java.net/browse/JDK-8185802
>>
>> JDK-8183103 fix in JDK 9 disable AVXV3 by default (it set UseAVX to 2 
>> by default). Now that fix was pushed into JDK 10 which disables AVX3 
>> testing. Enable AVX3 again.
>>
>> src/cpu/x86/vm/globals_x86.hpp
>> @@ -116,7 +116,7 @@
>>     product(bool, UseStoreImmI16, true,      \
>>             "Use store immediate 16-bits value instruction on 
>> x86")      \
>>
>>       \
>> -  product(intx, UseAVX, 2,     \
>> +  product(intx, UseAVX, 3,     \
>>             "Highest supported AVX instructions set on x86/x64")      \
>>             range(0, 99)      \
>>
>>       \
>>
>>
>> Thanks,
>> Vladimir