RFR: 8256614: AArch64: Add SVE backend implementation for integer min/max [v2]

[Xiaohong Gong]

> Currently the Arm SVE implementation for integer (byte,short,int,long) vector min/max is missing. This is needed for VectorAPI. We need to add them all to avoid the "bad AD file" crash.

Xiaohong Gong has updated the pull request incrementally with one additional commit since the last revision:

  Minor fine-tune the basic type check

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1337/files
  - new: https://git.openjdk.java.net/jdk/pull/1337/files/fa91bc25..3eb99c2a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1337&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1337&range=00-01

  Stats: 8 lines in 2 files changed: 4 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1337.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1337/head:pull/1337

PR: https://git.openjdk.java.net/jdk/pull/1337