[vectorIntrinsics] RFR: 8261108: Add cast nodes from integer types to float types implementation for Arm SVE

Mon Feb 22 07:00:49 UTC 2021

On Tue, 9 Feb 2021 02:15:02 GMT, Wang Huang <whuang at openjdk.org> wrote:

> Add the backend codegen for nodes like castb2f / castb2d / casts2f / casts2d / casti2f / casti2d / castl2f / castl2d.
> 
> * add `sve_scvtf`  ( and `sve_ucvtf`) encoding
> * add mock for these instructions
> * add `VECTOR_CAST_I2F_EXTEND[N]` and `VECTOR_CAST_I2F`
> 
> Thank you for your review.

BTW, there is the floating-point conversions that are missing for SVE. Is it in you plan in a short term? Thanks!

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PR: https://git.openjdk.java.net/panama-vector/pull/37