RFR: 8361353: [PPC64] C2: Add nodes UMulHiL, CmpUL3, UMinV, UMaxV, NegVI [v4]

[David Briemann]

> Implement more nodes for ppc that exist on other platforms.

David Briemann has updated the pull request incrementally with one additional commit since the last revision:

  fix typo

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/26115/files
  - new: https://git.openjdk.org/jdk/pull/26115/files/6d05a728..a7c9f6be

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26115&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26115&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26115.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26115/head:pull/26115

PR: https://git.openjdk.org/jdk/pull/26115