RFR: 8346039: [BACKOUT] - [C1] LIR Operations with one input should be implemented as LIR_Op1

[David Holmes]

Revert "8345609: [C1] LIR Operations with one input should be implemented as LIR_Op1"

This reverts commit a21d21f4d7b74e21f68b6bf9c5dc9ba7d3f9963c.

Testing tiers 1-3 in progress

Thanks

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Commit messages:
 - Revert "8345609: [C1] LIR Operations with one input should be implemented as LIR_Op1"

Changes: https://git.openjdk.org/jdk/pull/22690/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22690&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8346039
  Stats: 158 lines in 10 files changed: 89 ins; 59 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/22690.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22690/head:pull/22690

PR: https://git.openjdk.org/jdk/pull/22690