RFR [XS] 8041957: -XX:UseAVX=0 cause assert(UseAVX) failed

[Vladimir Kozlov]

I updated changes:

http://cr.openjdk.java.net/~kvn/8041957/webrev

Thanks,
Vladimir

On 4/25/14 7:12 PM, Vladimir Kozlov wrote:
> On 4/25/14 6:37 PM, Christian Thalinger wrote:
>> This is tricky.  Changing the assert means that we cannot catch the
>> case where we were asked to not use AVX but we do.  Maybe we should
>> enable AVX instruction temporarily by using:
>>
>> FlagSetting avx(UseAVX, 99);
>>
>> in generate_get_cpu_info() to be able to generate the instructions.
>
> I will try it next week.
>
> Thanks,
> Vladimir
>
>>
>> On Apr 25, 2014, at 9:13 AM, Vladimir Kozlov
>> <vladimir.kozlov at oracle.com> wrote:
>>
>>> http://cr.openjdk.java.net/~kvn/8041957/webrev
>>> https://bugs.openjdk.java.net/browse/JDK-8041957
>>>
>>> Use VM_Version::supports_avx() instead of UseAVX in vmovdqu
>>> instruction asserts.
>>>
>>> Thanks,
>>> Vladimir
>>