RFR: 8224203: Remove need to specify type when using FLAG_SET macros

[coleen.phillimore at oracle.com]

+1
coleen

On 5/21/19 8:04 AM, Per Liden wrote:
> Looks good to me. Nice cleanup!
>
> /Per
>
> On 5/20/19 1:12 PM, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to remove the need to specify type when 
>> using the FLAG_SET macros.
>>
>> https://cr.openjdk.java.net/~stefank/8224203/webrev.01/
>> https://bugs.openjdk.java.net/browse/JDK-8224203
>>
>> This patch builds on top of the changes in:
>>   "8224201: Simplify JVM flag macro expansions"
>>   https://mail.openjdk.java.net/pipermail/hotspot-dev/2019-May/038184.html 
>>
>>
>> global_extensions.hpp contains the actual change to JVM flag setters. 
>> It expands one inline function per flag. For example:
>> inline JVMFlag::Error Flag_G1HeapRegionSize_set(size_t value, 
>> JVMFlag::Flags origin) {
>>     return JVMFlagEx::size_tAtPut(Flag_G1HeapRegionSize_enum, value, 
>> origin);
>> }
>>
>> The rest of the files contain removal of the type arguments.
>>
>> For example:
>> -    FLAG_SET_ERGO(size_t, G1HeapRegionSize, GrainBytes);
>> +    FLAG_SET_ERGO(G1HeapRegionSize, GrainBytes);
>>
>> Compiles on all tier1 platforms.
>>
>> Thanks,
>> StefanK