In offline discussion, we agreed that current fields of `Opcode` violate data oriented design to a large extent. The attributes not generic to all opcode are removed.
Up for preliminary review; needs to be reworked for #20737. ------------- Commit messages: - Fix ofArgument in loadConstant patch instead, improve specs - Merge branch 'master' of https://github.com/openjdk/jdk into fix/opcode-clean - Merge branch 'master' of https://github.com/openjdk/jdk into fix/opcode-clean - Clean up opcode fields Changes: https://git.openjdk.org/jdk/pull/20757/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20757&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8339131 Stats: 473 lines in 8 files changed: 190 ins; 79 del; 204 mod Patch: https://git.openjdk.org/jdk/pull/20757.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20757/head:pull/20757 PR: https://git.openjdk.org/jdk/pull/20757
