RFR: 8329549: Remove FORMAT64_MODIFIER

[David Holmes]

On Tue, 7 Jan 2025 02:37:14 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/utilities/globalDefinitions.hpp line 136:
>> 
>>> 134: 
>>> 135: // Format without leading 0x
>>> 136: #define INT64_FORMAT_X_0_        "%016"       PRIx64
>> 
>> Why the trailing underscore?
>> 
>> The name doesn't make sense to me given we have UINT64_FORMAT_X_0 and the only difference here is the leading `0x` which doesn't really have anything to do with signed-ness. Maybe `RAW_UINT64_FORMAT_X_0` to indicate the dropped `0x` prefix ?
>
> Thanks for the suggestion.  All the macros start with UINT64_FORMAT though.  How about UINT64_FORMAT_RAW_X_0 ?  or UINT64_FORMAT_X_0_RAW ?  Still not great.

UINT64_FORMAT_RAW_X_0  is not terrible. :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/22918#discussion_r1904894822