[lworld] RFR: 8315935: [lworld] Apply flat renaming to C2 code [v2]

[Frederic Parain]

> Same renaming as in JDK-8315412 applied to C2 code.
> 
> Tested with Mach5, tier1
> 
> Fred

Frederic Parain has updated the pull request incrementally with one additional commit since the last revision:

  More renaming

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/925/files
  - new: https://git.openjdk.org/valhalla/pull/925/files/2c9592ad..c841406c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=925&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=925&range=00-01

  Stats: 9 lines in 6 files changed: 0 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/valhalla/pull/925.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/925/head:pull/925

PR: https://git.openjdk.org/valhalla/pull/925