RFR: 8354544: Fix bugs in APX NDD code generation for OpenJDK PR [v2]

[Srinivas Vamsi Parasa]

> This PR fixes the bugs discovered in the APX NDD code generation PR (#23501) that got integrated into OpenJDK.
> 
> The following compiler tests uncovered these bugs:
> 
> test/hotspot/jtreg/compiler/c2/cr6340864/TestLongVect.java
> test/hotspot/jtreg/compiler/c2/cr7192963/TestLongVect.java
> test/hotspot/jtreg/compiler/vectorization/runner/BasicLongOpTest.java
> test/hotspot/jtreg/compiler/vectorapi/TestMaskedMacroLogicVector.java
> 
> After the bug fixes in this PR, using Intel Software Development Emulator (SDE) it was verified that the above tests are working correctly when using Intel APX.

Srinivas Vamsi Parasa has updated the pull request incrementally with two additional commits since the last revision:

 - Merge branch 'apxfix' of https://github.com/vamsi-parasa/jdk into apxfix
 - 8354544: Fix bugs in APX NDD code generation for OpenJDK PR

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24637/files
  - new: https://git.openjdk.org/jdk/pull/24637/files/83832b88..b1a47149

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24637&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24637&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24637.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24637/head:pull/24637

PR: https://git.openjdk.org/jdk/pull/24637