RFR: 8288012: AArch64: unnecessary macro expansion in stubGenerator_aarch64

[Andrew Haley]

On Mon, 29 Aug 2022 01:46:56 GMT, Hao Sun <haosun at openjdk.org> wrote:

> We use utility routines to replace macros in generate_md5_implCompress
> and generate_sha512_implCompress() functions, as these macro expanisons
> would bloat the generator.
> 
> Minor update: "Label keys" is removed since it's dead code.
> 
> In my local "release + server" build on AArch64 machine, the size of
> stubGenerator_aarch64.o is reduced about 9% (from 6.73 MB to 6.13 MB).
> 
> Testings:
> Tier1~3 passed on sha512 feature supporting machine.
> We evaluted JMH test case MessageDigests.java and didn't see viable
> performance change with and without this patch.

Marked as reviewed by aph (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10058