git: openjdk/jdk21u: master: 8320363: ppc64 TypeEntries::type_unknown logic looks wrong, missed optimization opportunity

[Martin Doerr]

Changeset: f8706d1d
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2023-11-27 22:12:59 +0000
URL:       https://git.openjdk.org/jdk21u/commit/f8706d1d9b9f480f0cdbfba28249506b94eada35

8320363: ppc64 TypeEntries::type_unknown logic looks wrong, missed optimization opportunity

Backport-of: 6aa197667ad05bd93adf3afc7b06adbfb2b18a22

! src/hotspot/cpu/ppc/c1_LIRAssembler_ppc.cpp
! src/hotspot/cpu/ppc/interp_masm_ppc_64.cpp