On Fri, 4 Nov 2022 16:28:51 GMT, Jamil Nimeh <jni...@openjdk.org> wrote:

>> Volodymyr Paprotski has updated the pull request with a new target base due 
>> to a merge or a rebase. The pull request now contains 12 commits:
>> 
>>  - Merge remote-tracking branch 'origin/master' into avx512-poly
>>  - address Jamil's review
>>  - invalidkeyexception and some review comments
>>  - extra whitespace character
>>  - assembler checks and test case fixes
>>  - Merge remote-tracking branch 'origin/master' into avx512-poly
>>  - Merge remote-tracking branch 'origin' into avx512-poly
>>  - further restrict UsePolyIntrinsics with supports_avx512vlbw
>>  - missed white-space fix
>>  - - Fix whitespace and copyright statements
>>    - Add benchmark
>>  - ... and 2 more: https://git.openjdk.org/jdk/compare/9d3b4ef2...38d9e83c
>
> src/hotspot/share/opto/library_call.cpp line 7036:
> 
>> 7034:   assert(r_start, "r array is NULL");
>> 7035: 
>> 7036:   Node* call = make_runtime_call(RC_LEAF,
> 
> Can we safely change this to `RC_LEAF | RC_NO_FP`?  For the ChaCha20 block 
> intrinsic I'm working on I've been using that parameter because I'm not 
> touching the FP registers and that looks to be the case here (though your 
> intrinsic is a lot more complicated than mine so I may have missed 
> something).  I believe the GHASH and AES library call routines also call 
> `make_runtime_call()` in this way.

Makes sense to me, will put it in and re-test (no fp registers anywhere in the 
intrinsic). Thanks!

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

PR: https://git.openjdk.org/jdk/pull/10582

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