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

[Eric Liu]

On Mon, 6 Dec 2021 14:21:24 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.

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?

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