RFR: 8343805: RISC-V: JVM crashes on startup when disabling compressed instructions [v2]

[Fei Yang]

On Tue, 12 Nov 2024 09:31:47 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> src/hotspot/cpu/riscv/stubRoutines_riscv.hpp line 42:
>> 
>>> 40:   _initial_stubs_code_size      = 10000,
>>> 41:   _continuation_stubs_code_size =  2000,
>>> 42:   _compiler_stubs_code_size     = 45000,
>> 
>> Hey, why do we remove the `ZGC_ONLY` here?
>
> Seems to me it could trigger the similar issue unexpectedly, because for now G1 is still the default one, developers could only test default one before push their code?

Yeah, I removed the `ZGC_ONLY` check as I think it doesn't seem necessary here. I simply did two jdk builds with and without the ZGC feature configured and compared the used compiler stubs from the log output. I witnessed no difference.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21966#discussion_r1837785528