Request for Review: 6989297 - more portability improvements

[Coleen Phillimore]

I also checked that same cast into hotspot-rt today, because I thought I 
needed it to get through jprt.

Coleen

Vladimir Kozlov wrote:
> Additional cast in next file is already in main baseline now
>
> src/cpu/x86/vm/methodHandles_x86.cpp
>
> Next changeset added it:
>
> http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/c93c652551b5
>
> Thanks,
> Vladimir
>
> Bob Vandette wrote:
>> http://cr.openjdk.java.net/~bobv/6989297/webrev.00/
>>
>>
>> This bug tracks additional Hotspot portability improvements that
>> have been made since the push of the larger group of changes under 
>> CR#6953477.
>>
>> 6953477: Increase portability and flexibility of building Hotspot
>>
>> These additional changes include making the UseMembar flags platform 
>> specific,
>> the addition of dsqrt runtime call for PPC platforms, a fix to allow 
>> a jvmg1 target using
>> gcc 4 compilers and a one off problem in attachListener_linux.cpp.
>>
>> http://cr.openjdk.java.net/~bobv/6989297/webrev.00/
>>
>> Bob.
>>