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

[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

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Commit messages:
 - Merge branch 'openjdk:master' into 8328865
 - 8328865: [c2] No need to convert "(x+1)+y" into "(x+y)+1" when y is a CallNode

Changes: https://git.openjdk.org/jdk/pull/18482/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18482&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328865
  Stats: 11 lines in 1 file changed: 4 ins; 0 del; 7 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