RFR: 8221404: C2: Convert RegMask and IndexSet to use uintptr_t [v2]

[Claes Redestad]

On Mon, 9 Nov 2020 16:59:52 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Avoid using ULL
>
> src/hotspot/share/opto/indexSet.hpp line 67:
> 
>> 65:          block_index_length = 8,
>> 66:          // Split over 4 or 8 words depending on bitness
>> 67:          word_index_length  = block_index_length - LogBitsPerWord,
> 
> Nice. I also thought about using ‘word’ definitions.

Thanks! @vidmik pushed me to come up with derived definitions here rather than adding another magic constant for 64-bit.

-------------

PR: https://git.openjdk.java.net/jdk/pull/1102