RFR: 8259629: aarch64 builds fail after JDK-8258932

[Vladimir Kozlov]

On Tue, 12 Jan 2021 18:53:35 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> This fixes aarch64 builds failure after JDK-8258932.
>> It is caused by the mismatched call `fmaxp/fminp` in `AssemblerAArch64` tests to the definitions in `assembler_aarch64.hpp`.
>> 
>> Verified with `gtest-1.8.1` and `make test TEST="gtest"`, `linux-aarch64-server-slowdebug`.
>> Both builds and tests are good, the results of `gtest` on my aarch64 server:
>> Finished running test 'gtest:all/server'
>> Test report is stored in build/linux-aarch64-server-slowdebug/test-results/gtest_all_server
>> 
>> ==============================
>> Test summary
>> ==============================
>>    TEST                                              TOTAL  PASS  FAIL ERROR
>>    gtest:all/server                                    807   807     0     0
>> ==============================
>> TEST SUCCESS
>> 
>> Finished building target 'test' in configuration 'linux-aarch64-server-slowdebug'
>> 
>> The `gtest` was not configured during tests in `JDK-8258932`, so it did not execute previously.
>> I'm really sorry for my carelessness and producing a serious BUG.
>
> It passed out whole tier1 testing I ran. So I am fine with it,
> 
> But I would like to see review from someone familiar with Aaarch64 assembler too.

After internal discussion and urgency we suggest to push this fix ASAP.
@dgbo please integrate it and I will sponsor.

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PR: https://git.openjdk.java.net/jdk/pull/2052