RFR: 8292761: x86: Clone nodes to match complex rules [v4]

Sat Sep 17 09:42:41 UTC 2022

> Hi,
> 
> This patch tries to clone a node if it can be matched as a part of a BMI and lea pattern. This may reduce the live range of a local or remove that local completely.
> 
> Please take a look and have some reviews. Thanks a lot.

Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:

  address comments

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/9977/files
  - new: https://git.openjdk.org/jdk/pull/9977/files/0beae979..529c6b9c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9977&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9977&range=02-03

  Stats: 23 lines in 1 file changed: 15 ins; 3 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/9977.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9977/head:pull/9977

PR: https://git.openjdk.org/jdk/pull/9977