RFR: 8254072: AArch64: Get rid of --disable-warnings-as-errors on Windows+ARM64 build [v3]

[Bernhard Urban-Forster]

On Thu, 15 Oct 2020 17:24:56 GMT, Stuart Monteith <smonteith at openjdk.org> wrote:

>> Bernhard Urban-Forster has updated the pull request with a new target base due to a merge or a rebase. The pull request
>> now contains 20 commits:
>>  - disable warning only for hotspot
>>  - Merge remote-tracking branch 'upstream/master' into 8254072-fix-windows-arm64-warnings
>>  - Merge remote-tracking branch 'upstream/master' into 8254072-fix-windows-arm64-warnings
>>  - ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1441): warning C4267: 'argument': conversion from 'size_t' to
>>    'int', possible loss of data
>>    ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1446): warning C4267: 'argument': conversion from 'size_t' to
>>    'int', possible loss of data ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1654): warning C4267: 'argument':
>>    conversion from 'size_t' to 'int', possible loss of data
>>  - Revert changes for "warning C4146: unary minus operator applied to unsigned type, result still unsigned"
>>  - msvc: disable unary minus warning for unsigned types
>>  - ./src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp(1123): warning C4267: 'initializing': conversion
>>    from 'size_t' to 'int', possible loss of data
>>    ./src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp(1123): warning C4267: 'initializing': conversion
>>    from 'size_t' to 'const int', possible loss of data
>>  - ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1312): warning C4267: 'argument': conversion from 'size_t' to
>>    'unsigned int', possible loss of data
>>    ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1370): warning C4267: 'argument': conversion from 'size_t' to
>>    'int', possible loss of data ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1441): warning C4146: unary minus
>>    operator applied to unsigned type, result still unsigned ./src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp(1441):
>>    warning C4267: 'argument': conversion from 'size_t' to 'int', possible loss of data
>>  - ./src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp(2472): warning C4312: 'type cast': conversion from 'unsigned int'
>>    to 'address' of greater size
>>  - ./src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp(1527): warning C4267: 'argument': conversion from 'size_t' to
>>    'int', possible loss of data
>>  - ... and 10 more: https://git.openjdk.java.net/jdk/compare/9359ff03...32e922da
>
> src/hotspot/cpu/aarch64/nativeInst_aarch64.hpp line 658:
> 
>> 656:     }
>> 657:   }
>> 658:   size_t size_in_bytes() { return 1ull << size(); }
> 
> Capital ULL - I find that easer to search for and it is more consistent.

Thank you! Fixed.

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PR: https://git.openjdk.java.net/jdk/pull/530