RFR: 8329331: Intrinsify Unsafe::setMemory [v24]

[Scott Gibbons]

On Sat, 20 Apr 2024 04:28:43 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Scott Gibbons has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Long to short jmp; other cleanup
>
> `runtime/Unsafe/InternalErrorTest.java` test SIGBUS when run with `-Xcomp` (and other flags in test's @run command):
> 
> #  SIGBUS (0xa) at pc=0x0000000119514760, pid=63021, tid=28163
> #
> # JRE version: Java(TM) SE Runtime Environment (23.0) (fastdebug build 23-internal-2024-04-19-2326152.vladimir.kozlov.jdkgit2)
> # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 23-internal-2024-04-19-2326152.vladimir.kozlov.jdkgit2, compiled mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, bsd-amd64)
> # Problematic frame:
> # v  ~StubRoutines::jbyte_fill 0x0000000119514760

@vnkozlov Thanks for the feedback.  Can you please start the testing again?  I'd appreciate it.

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PR Comment: https://git.openjdk.org/jdk/pull/18555#issuecomment-2067759300