RFR: 8303147: [s390x] fast & slow debug builds are broken [v2]

Mon Mar 6 08:46:16 UTC 2023

On Mon, 6 Mar 2023 08:34:05 GMT, SUN Guoyun <duke at openjdk.org> wrote:

>> But there are other call sites as well, what about them ? You mean to change them all ?
>
> I don't know much about the implementation of `emit_typecheck_helper` yet, maybe you can refer to aarch64.

According to my understanding, C1 stack space is divided into two parts: general stack space ( see hir()->max_stack) and reserved stack space (see reserved_argument_area, for stub used).
`emit_typecheck_helper` is not stub, so shouldn't use the reserved stack.

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PR: https://git.openjdk.org/jdk/pull/12825