RFR: 8328865: [c2] No need to convert "(x+1)+y" into "(x+y)+1" when y is a CallNode [v2]

[SUN Guoyun]

> This patch prohibits the conversion from  "(x+1)+y" into "(x+y)+1" when y is a CallNode to reduce unnecessary spillcode and ADDNode.
> 
> Testing: tier1-3 in x86_64 and LoongArch64
> 
> JMH in x86_64:
> <pre>
> before:
> Benchmark           Mode  Cnt      Score   Error  Units
> CallNode.test      thrpt    2  26397.733          ops/s
> 
> after:
> Benchmark           Mode  Cnt      Score   Error  Units
> CallNode.test      thrpt    2  27839.337          ops/s
> </pre>

SUN Guoyun 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 two additional commits since the last revision:

 - 8328865: [c2] No need to convert "(x+1)+y" into "(x+y)+1" when y is a CallNode
 - 8328865: [c2] No need to convert "(x+1)+y" into "(x+y)+1" when y is a CallNode

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/18482/files
  - new: https://git.openjdk.org/jdk/pull/18482/files/14dc5dee..269cd945

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18482&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18482&range=00-01

  Stats: 1440 lines in 48 files changed: 457 ins; 735 del; 248 mod
  Patch: https://git.openjdk.org/jdk/pull/18482.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18482/head:pull/18482

PR: https://git.openjdk.org/jdk/pull/18482