On Tue, 8 Jun 2021 00:11:42 GMT, Scott Gibbons
<github.com+6704669+asgibb...@openjdk.org> wrote:
>> src/java.base/share/classes/java/util/Base64.java line 813:
>>
>>> 811: while (sp < sl) {
>>> 812: if (shiftto == 18 && sp < sl - 4) { // fast path
>>> 813: int dl = decodeBlock(src, sp, sl, dst, dp, isURL,
>>> isMIME);
>>
>> This new param is passed all the way down to the intrinsic. I think
>> existing intrinsics can safely ignore this parameter if it doesn't help the
>> implementation (for example PPC64-LE has 16-byte vector registers, so isn't
>> quite as seriously impacted by MIME). However, in the code for the PPC64-LE
>> intrinsic, this new parameter isn't mentioned. I think if you're going to
>> add a new parameter, it should be mentioned in the existing intrinsics as
>> being present, but unused.
>
> Are you suggesting that I change *all* intrinsic implementations (aarch64,
> ppc, etc.)? I have no problem doing that - just checking if this is what's
> desired.
Yes. I didn't realize that there's a decodeBlock intrinsic for aarch64 already,
but yeah it should only be a couple of lines of comments for each.
-------------
PR: https://git.openjdk.java.net/jdk/pull/4368
