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

[Mai Đặng Quân Anh]

On Tue, 7 Dec 2021 01:23:21 GMT, Eric Liu <eliu at openjdk.org> 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.
>
> test/hotspot/jtreg/compiler/vectorapi/reshape/TestVectorCastSVE.java line 39:
> 
>> 37:  * @modules java.base/jdk.internal.misc
>> 38:  * @summary Test that vector cast intrinsics work as intended on sve.
>> 39:  * @requires vm.cpu.features ~= ".*sve.*"
> 
> May I ask do you have physical machine to verify SVE?

I only have physical machine to verify AVX1 and AVX2. So it would be necessary to have verification from other machines, too.
Thank you very much.

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