RFR: Make addressing mode a property of the C++ frame type [v3]

[Coleen Phillimore]

> I added an assert in most of the places where we had <addressing::RELATIVE>.
> Passes loom-tier1,loom-tier2,loom-tier3.

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Fix other platform bits.

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

Changes:
  - all: https://git.openjdk.java.net/loom/pull/100/files
  - new: https://git.openjdk.java.net/loom/pull/100/files/39a8cfa3..e6430e5c

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=loom&pr=100&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=loom&pr=100&range=01-02

  Stats: 22 lines in 3 files changed: 7 ins; 0 del; 15 mod
  Patch: https://git.openjdk.java.net/loom/pull/100.diff
  Fetch: git fetch https://git.openjdk.java.net/loom pull/100/head:pull/100

PR: https://git.openjdk.java.net/loom/pull/100