Request for reviews .03 (L): 5057225: Remove useless I2L conversions

[Christian Thalinger]

Christian Thalinger wrote:
> Vladimir Kozlov wrote:
>> Christian,
>>
>> On x86 (32-,64-bit) if an arithmetic instruction is used it will kill 
>> flags.
>> You have to add "effect(KILL cr)" when you use and/xor.

...and SAR.  I hope I got all cases:

http://cr.openjdk.java.net/~twisti/5057225/webrev.04/

-- Christian