[jdk17u-dev] RFR: 8299158: Improve MD5 intrinsic on AArch64 [v2]

[Yi-Fan Tsai]

> This change is nearly clean. 17u uses macro and tip uses functions.
> 
> TestMD5Intrinsics and TestMD5MultiBlockIntrinsics are tested with [the patch](https://github.com/openjdk/jdk/pull/10954).
> 
> Similar performance improvement is observed.
> 
> baseline
> 
> Benchmark                    (digesterName)  (length)  (provider)   Mode  Cnt     Score   Error   Units
> MessageDigests.digest                   md5        64     DEFAULT  thrpt   50  2987.994 ? 3.246  ops/ms
> MessageDigests.digest                   md5      1024     DEFAULT  thrpt   50   370.344 ? 0.683  ops/ms
> MessageDigests.digest                   md5     16384     DEFAULT  thrpt   50    24.773 ? 0.038  ops/ms
> MessageDigests.getAndDigest             md5        64     DEFAULT  thrpt   50  2543.829 ? 3.060  ops/ms
> MessageDigests.getAndDigest             md5      1024     DEFAULT  thrpt   50   364.196 ? 0.319  ops/ms
> MessageDigests.getAndDigest             md5     16384     DEFAULT  thrpt   50    24.741 ? 0.021  ops/ms
> 
> 
> optimized
> 
> Benchmark                    (digesterName)  (length)  (provider)   Mode  Cnt     Score   Error   Units
> MessageDigests.digest                   md5        64     DEFAULT  thrpt   50  3671.576 ? 2.780  ops/ms
> MessageDigests.digest                   md5      1024     DEFAULT  thrpt   50   462.163 ? 0.724  ops/ms
> MessageDigests.digest                   md5     16384     DEFAULT  thrpt   50    31.137 ? 0.058  ops/ms
> MessageDigests.getAndDigest             md5        64     DEFAULT  thrpt   50  3015.830 ? 4.608  ops/ms
> MessageDigests.getAndDigest             md5      1024     DEFAULT  thrpt   50   453.550 ? 0.263  ops/ms
> MessageDigests.getAndDigest             md5     16384     DEFAULT  thrpt   50    31.039 ? 0.006  ops/ms

Yi-Fan Tsai has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into md5aarch64
 - 8299158: Improve MD5 intrinsic on AArch64
   
   Reviewed-by: luhenry, haosun, aph

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1037/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1037/files/38e9799d..a9990a77

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1037&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1037&range=00-01

  Stats: 125475 lines in 2872 files changed: 88567 ins; 16945 del; 19963 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1037.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1037/head:pull/1037

PR: https://git.openjdk.org/jdk17u-dev/pull/1037