RFR: 8255625: AArch64: Implement Base64.encodeBlock accelerator/intrinsic [v2]

[Andrew Haley]

On Mon, 2 Nov 2020 14:29:39 GMT, Dong Bo <dongbo at openjdk.org> wrote:

>> src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp line 5453:
>> 
>>> 5451: 
>>> 5452:     #define BASE64_ENCODE_SIMD_ROUND(in0, in1, in2, out0, out1, out2, out3, SZ) \
>>> 5453:       __ ld3(in0,  in1, in2, __ T##SZ##B, __ post(src, 3 * SZ));                \
>> 
>> There's no need for this to be a macro -- as far as I can see.
>
> Thanks for the suggestions.
> 
> Just updated a version.
> The register name `sp` is changed to `soff`, and the macro is unpacked into code block `Process48B` and `Process24B`.
> 
> Verified with `test/jdk/java/util/Base64/`.

I'm sorry, there's no way I wanted the macro to be unpacked; I wanted it to be a function. I apologize for not being clear.

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

PR: https://git.openjdk.java.net/jdk/pull/992