RFR: 8333890: Fatal error in auto-vectorizer with float16 kernel. [v2]

[Jatin Bhateja]

> Hi,
> 
> This bug fix patch fixes an assertion failure seen while auto-vectorizing conversion chain involving float16 type.
> Constraining the container type for ConvF2HF IR to short type upfront , as relying on backpropagating narrow
> type from memory operation  may not be sufficient if IR is succeeded by ConvHF2F as depicted by the include test case.
> 
> Best Regards,
> Jatin

Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:

  IR rule extension for ANY vector size

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/20062/files
  - new: https://git.openjdk.org/jdk/pull/20062/files/caf88888..75eeada4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20062&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20062&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20062.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20062/head:pull/20062

PR: https://git.openjdk.org/jdk/pull/20062