RFR: 8259610: VectorReshapeTests are not effective due to failing to intrinsify "VectorSupport.convert" [v6]

[Paul Sandoz]

On Fri, 10 Dec 2021 11:43:54 GMT, Mai Đặng Quân Anh <duke at openjdk.java.net> wrote:

>> Hi,
>> 
>> This patch adds several c2 tests for vector reshape operations. The tests verify the intrinsification of the corresponding operations by using the IR framework and verify the correctness of the results of compiled codes.
>> 
>> While working on this patch, I spot some regressions regarding compilation on AVX1.
>> 
>> Thank you very much.
>
> Mai Đặng Quân Anh has updated the pull request incrementally with one additional commit since the last revision:
> 
>   address reviews

test/hotspot/jtreg/compiler/vectorapi/reshape/TestVectorCastAVX512DQ.java line 38:

> 36:  * @requires vm.cpu.features ~= ".*avx512dq.*"
> 37:  * @library /test/lib /
> 38:  * @run driver compiler.vectorapi.reshape.TestVectorCast512DQ

Suggestion:

 * @run driver compiler.vectorapi.reshape.TestVectorCastAVX512DQ

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PR: https://git.openjdk.java.net/jdk/pull/6724