RFR: 8305783: x86_64: Optimize AbsI and AbsL [v2]

Mon Apr 10 13:04:43 UTC 2023

> Hi,
> 
> This patch optimizes the sequence emitted by `AbsINode` and `AbsLNode` to save some instructions and 1 temp register. Please take a look and kindly leave your reviews.
> 
> Thanks a lot.

Quan Anh Mai has updated the pull request incrementally with two additional commits since the last revision:

 - description
 - description

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/13402/files
  - new: https://git.openjdk.org/jdk/pull/13402/files/723eb6ce..4767979d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13402&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13402&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/13402.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13402/head:pull/13402

PR: https://git.openjdk.org/jdk/pull/13402