RFR: 9+8u: Use uintptr_t in assembler.cpp

[Aleksey Shipilev]

On 03/22/2017 01:43 PM, Andrew Haley wrote:
> On 22/03/17 11:54, Aleksey Shipilev wrote:
>>  #elif defined(_LP64)
>> +#ifdef _WINDOWS
>> +    const unsigned long long address_bits = 0xffffffffffffffffull;
>> +#else
>>      const unsigned long address_bits = 0xfffffffffffffffful;
>> +#endif // _WINDOWS
>>  #else
> 
> I'd use uintptr_t address_bits = ~(unitptr_t)0;

Right-o, this is much cleaner:
 http://cr.openjdk.java.net/~shade/shenandoah/assembler-uintptr/webrev.01/

Checked this still works with x86_64 {Linux, Windows} x {9, 8u}.

Thanks,
-Aleksey