RFR: 8300002: Performance regression caused by non-inlined hot methods due to post call noop instructions [v3]

[Sergey Kuksenko]

> Post call nop instructions increase the size of methods, which leads to different inline decisions and performance regression.
> Restore inline behavior by excluding post call nop instructions sizes from inline heuristics.

Sergey Kuksenko has updated the pull request incrementally with two additional commits since the last revision:

 - whitespace clenup
 - renaming; generalize; make methods independent on post call noops naming

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11958/files
  - new: https://git.openjdk.org/jdk/pull/11958/files/035d8fe6..eb9c494f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11958&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11958&range=01-02

  Stats: 42 lines in 9 files changed: 2 ins; 12 del; 28 mod
  Patch: https://git.openjdk.org/jdk/pull/11958.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11958/head:pull/11958

PR: https://git.openjdk.org/jdk/pull/11958