RFR: 8280003: C1: Reconsider uses of logical_and immediates in LIRGenerator::do_getObjectSize [v2]

Tue Jan 18 08:40:25 UTC 2022

On Tue, 18 Jan 2022 06:48:34 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> I still observe test failure. Have you tested on x86_32?
>> `----------System.err:(15/1051)----------
>> java.lang.IllegalStateException: Error: expected: 1040 (410), actual: 192 (c0)
>>         at GetObjectSizeIntrinsicsTest.assertEquals(GetObjectSizeIntrinsicsTest.java:294)
>>         at GetObjectSizeIntrinsicsTest.testSize_newSmallByteArray(GetObjectSizeIntrinsicsTest.java:357)`
>
> Yes, I did test on x86_32, see the "Additional testing" in the PR body. I just re-ran the tests on x86_32, they pass. Are you seeing this failure on ARM32?

FWIW, `java/lang/instrument/GetObjectSizeIntrinsicsTest.java` passes on RPi 4 running ARM32 Linux.

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PR: https://git.openjdk.java.net/jdk/pull/7080