RFR: 8280003: C1: Reconsider uses of logical_and immediates in LIRGenerator::do_getObjectSize [v7]

[Aleksey Shipilev]

> See the discussion in the bug.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `java/lang/instrument`
>  - [x] Linux x86_32 fastdebug `java/lang/instrument`
>  - [x] Linux AArch64 fastdebug `java/lang/instrument`
>  - [x] Linux ARM32 fastdebug `java/lang/instrument`
>  - [x] Linux PPC64 fastdebug `java/lang/instrument`
>  - [x] Linux x86_64 fastdebug `tier1`
>  - [x] Linux x86_32 fastdebug `tier1`
>  - [x] Linux AArch64 fastdebug `tier1`
>  - [x] Linux PPC64 fastdebug `tier1`

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 11 additional commits since the last revision:

 - Fix RISC-V too
 - Merge branch 'master' into JDK-8280003-c1-logical-and
 - Merge branch 'master' into JDK-8280003-c1-logical-and
 - Revert ARM32 checks
 - Merge branch 'master' into JDK-8280003-c1-logical-and
 - Fixing failures in ARM32
 - Merge branch 'master' into JDK-8280003-c1-logical-and
 - Checking ARM32 code
 - Use checked_cast<jint>
 - Merge branch 'master' into JDK-8280003-c1-logical-and
 - ... and 1 more: https://git.openjdk.java.net/jdk/compare/e055ef5d...66448a5e

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7080/files
  - new: https://git.openjdk.java.net/jdk/pull/7080/files/efc32767..66448a5e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7080&range=06
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7080&range=05-06

  Stats: 213670 lines in 3515 files changed: 152394 ins; 16055 del; 45221 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7080.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7080/head:pull/7080

PR: https://git.openjdk.java.net/jdk/pull/7080