Request for reviews (S): 7012965: Fix failed on sparc for 7009756: volatile variables could be broken throw reflection API

[Tom Rodriguez]

On Jan 18, 2011, at 3:38 PM, Tom Rodriguez wrote:

> Thanks Dan and Vladimir.

Oops, wrong thread.

> 
> tom
> 
> On Jan 18, 2011, at 3:19 PM, Vladimir Kozlov wrote:
> 
>> http://cr.openjdk.java.net/~kvn/7012965/webrev
>> 
>> Fixed 7012965: Fix failed on sparc for 7009756: volatile variables could be broken throw reflection API
>> 
>> In 32 bit VM C++ generated code does not guaranty atomicity for volatile long moves.
>> 
>> Use LDX/STX on v9 and LDD/STD on v8 sparc for volatile long moves.

What does the .volatile directive do?  Is that supported in older sparc assemblers?  Otherwise it looks ok.

tom