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

[Tobias Hartmann]

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