RFR: 8288781: C1: LIR_OpVisitState::maxNumberOfOperands too small
Richard Reingruber
rrich at openjdk.org
Thu Jun 23 05:45:43 UTC 2022
On Tue, 21 Jun 2022 09:13:51 GMT, Richard Reingruber <rrich at openjdk.org> wrote:
> Increment `LIR_OpVisitState::maxNumberOfOperands` by 1 to allow C1 compilation of a method that receives 21 parameters in registers instead of crashing.
>
> Add regression test. The regression test crashes on ppc because there all parameters (8 integer + 13 float = 21) can be passed in registers.
>
> The fix passed our CI testing. This includes most JCK and JTREG test, also in Xcomp mode, on the standard platforms and also on Linux/PPC64le.
Thanks for the review!
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PR: https://git.openjdk.org/jdk19/pull/51
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