RFR: 8292691: Move unnecessary inline methods out of compilerDefinitions.hpp

[Ioi Lam]

Many of the inline functions in compilerDefinitions.hpp don't seem to be performance critical. They should be moved into compilerDefinitions.cpp to improve C++ compilation time

This reduces the inclusion of the following headers from 762 to 319:

- compiler_globals.hpp
- c1_globals.hpp
- c2_globals.hpp
- jvmci_globals.hpp

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Commit messages:
 - 8292691: Move unnecessary inline methods out of compilerDefinitions.hpp

Changes: https://git.openjdk.org/jdk/pull/9953/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9953&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292691
  Stats: 217 lines in 4 files changed: 120 ins; 94 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/9953.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9953/head:pull/9953

PR: https://git.openjdk.org/jdk/pull/9953